Check Bus 3 Line [11/2023 - ]: Procedure

1. Disconnect the cable from the negative (-) battery terminal.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component with harness connected (Central Gateway ECU (Network Gateway ECU))

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H143-30 (CA3H) - H143-29 (CA3L)	Cable disconnected from negative (-) battery terminal	Below 70 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  50

Result: 

OK 

See step  2

1. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component with harness connected (Central Gateway ECU (Network Gateway ECU))

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H143-30 (CA3H) - H143-29 (CA3L)	Cable disconnected from negative (-) battery terminal	54 Ω or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  35

Result: 

OK 

See step  3

1. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	DLC3	-	-
   *a	Component with harness connected (Central Gateway ECU (Network Gateway ECU))	-	-

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H143-30 (CA3H) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H143-29 (CA3L) - H56-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  20

Result: 

OK 

See step  4

1. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	DLC3	-	-
   *a	Component with harness connected (Central Gateway ECU (Network Gateway ECU))	-	-

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H143-30 (CA3H) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H143-29 (CA3L) - H56-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

See step  5

1. Disconnect the H99 No. 7 global CAN junction connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	DLC3	-	-
   *a	Front view of wire harness connector (to No. 7 Global CAN Junction Connector)	*b	to Central Gateway ECU (Network Gateway ECU)

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-2 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H99-13 (CANL) - H56-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  14

Result: 

OK 

See step  6

1. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	DLC3	-	-
   *a	Front view of wire harness connector (to No. 7 Global CAN Junction Connector)	*b	to Combination Meter Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-3 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H99-14 (CANL) - H56-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  15

Result: 

OK 

See step  7

1. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	DLC3	-	-
   *a	Front view of wire harness connector (to No. 7 Global CAN Junction Connector)	*b	to Radio and Display Receiver Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-4 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H99-15 (CANL) - H56-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  16

Result: 

OK 

See step  8

1. Check vehicle type.

   Result

   Result	Proceed to
   w/ Telematics Transceiver	A
   w/o Telematics Transceiver	B

Result: 

B 

See step  10

Result: 

A 

See step  9

1. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	DLC3	-	-
   *a	Front view of wire harness connector (to No. 7 Global CAN Junction Connector)	*b	to DCM (Telematics Transceiver)

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-5 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H99-16 (CANL) - H56-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  17

Result: 

OK 

See step  10

1. Check vehicle type.

   Result

   Result	Proceed to
   w/ Headup Display System	A
   w/o Headup Display System	B

Result: 

B 

See step  12

Result: 

A 

See step  11

1. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	DLC3	-	-
   *a	Front view of wire harness connector (to No. 7 Global CAN Junction Connector)	*b	to Meter Mirror Sub-assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-1 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H99-12 (CANL) - H56-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  18

Result: 

OK 

See step  12

1. Check vehicle type.

   Result

   Result	Proceed to
   w/ Digital Inner Mirror System	A
   w/o Digital Inner Mirror System	B

Result: 

B 

REPLACE NO. 7 GLOBAL CAN JUNCTION CONNECTOR 

Result: 

A 

See step  13

1. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	DLC3	-	-
   *a	Front view of wire harness connector (to No. 7 Global CAN Junction Connector)	*b	to Inner Rear View Mirror Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-6 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H99-17 (CANL) - H56-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 7 GLOBAL CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  19

1. Disconnect the H143 central gateway ECU (network gateway ECU) connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	DLC3	-	-
   *a	Front view of wire harness connector (to No. 7 Global CAN Junction Connector)	*b	to Central Gateway ECU (Network Gateway ECU)

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-2 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H99-13 (CANL) - H56-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

1. Disconnect the H21 or H113 combination meter assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	DLC3	-	-
   *a	Front view of wire harness connector (to No. 7 Global CAN Junction Connector)	*b	to Combination Meter Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-3 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H99-14 (CANL) - H56-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE COMBINATION METER ASSEMBLY 

Refer to REMOVAL [12/2019 - ]

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - COMBINATION METER ASSEMBLY) 

1. Disconnect the H108 radio and display receiver assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	DLC3	-	-
   *a	Front view of wire harness connector (to No. 7 Global CAN Junction Connector)	*b	to Radio and Display Receiver Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-4 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H99-15 (CANL) - H56-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - RADIO AND DISPLAY RECEIVER ASSEMBLY) 

1. Disconnect the H11 DCM (telematics transceiver) connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	DLC3	-	-
   *a	Front view of wire harness connector (to No. 7 Global CAN Junction Connector)	*b	to DCM (Telematics Transceiver)

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-5 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H99-16 (CANL) - H56-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE DCM (TELEMATICS TRANSCEIVER) 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - DCM (TELEMATICS TRANSCEIVER)) 

1. Disconnect the H31 meter mirror sub-assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	DLC3	-	-
   *a	Front view of wire harness connector (to No. 7 Global CAN Junction Connector)	*b	to Meter Mirror Sub-assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-1 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H99-12 (CANL) - H56-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE METER MIRROR SUB-ASSEMBLY 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - METER MIRROR SUB-ASSEMBLY) 

1. Disconnect the R1 inner rear view mirror assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	DLC3	-	-
   *a	Front view of wire harness connector (to No. 7 Global CAN Junction Connector)	*b	to Inner Rear View Mirror Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-6 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H99-17 (CANL) - H56-4 (CG)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE INNER REAR VIEW MIRROR ASSEMBLY 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - INNER REAR VIEW MIRROR ASSEMBLY) 

1. Disconnect the H99 No. 6 global CAN junction connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	DLC3	-	-
   *a	Front view of wire harness connector (to No. 6 Global CAN Junction Connector)	*b	to Central Gateway ECU (Network Gateway ECU)

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-2 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H99-13 (CANL) - H56-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  29

Result: 

OK 

See step  21

1. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	DLC3	-	-
   *a	Front view of wire harness connector (to No. 7 Global CAN Junction Connector)	*b	to Combination Meter Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-3 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H99-14 (CANL) - H56-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  30

Result: 

OK 

See step  22

1. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	DLC3	-	-
   *a	Front view of wire harness connector (to No. 7 Global CAN Junction Connector)	*b	to Radio and Display Receiver Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-4 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H99-15 (CANL) - H56-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  31

Result: 

OK 

See step  23

1. Check vehicle type.

   Result

   Result	Proceed to
   w/ Telematics Transceiver	A
   w/o Telematics Transceiver	B

Result: 

B 

See step  25

Result: 

A 

See step  24

1. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	DLC3	-	-
   *a	Front view of wire harness connector (to No. 7 Global CAN Junction Connector)	*b	to DCM (Telematics Transceiver)

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-5 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H99-16 (CANL) - H56-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  32

Result: 

OK 

See step  25

1. Check vehicle type.

   Result

   Result	Proceed to
   w/ Headup Display System	A
   w/o Headup Display System	B

Result: 

B 

See step  27

Result: 

A 

See step  26

1. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	DLC3	-	-
   *a	Front view of wire harness connector (to No. 7 Global CAN Junction Connector)	*b	to Meter Mirror Sub-assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-1 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H99-12 (CANL) - H56-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  33

Result: 

OK 

See step  27

1. Check vehicle type.

   Result

   Result	Proceed to
   w/ Digital Inner Mirror System	A
   w/o Digital Inner Mirror System	B

Result: 

B 

REPLACE NO. 7 GLOBAL CAN JUNCTION CONNECTOR 

Result: 

A 

See step  28

1. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	DLC3	-	-
   *a	Front view of wire harness connector (to No. 7 Global CAN Junction Connector)	*b	to Inner Rear View Mirror Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-6 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H99-17 (CANL) - H56-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 7 GLOBAL CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  34

1. Disconnect the H143 central gateway ECU (network gateway ECU) connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	DLC3	-	-
   *a	Front view of wire harness connector (to No. 6 Global CAN Junction Connector)	*b	to Central Gateway ECU (Network Gateway ECU)

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-2 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H99-13 (CANL) - H56-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

1. Disconnect the H21 or H113 combination meter assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	DLC3	-	-
   *a	Front view of wire harness connector (to No. 7 Global CAN Junction Connector)	*b	to Combination Meter Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-3 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H99-14 (CANL) - H56-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE COMBINATION METER ASSEMBLY 

Refer to REMOVAL [12/2019 - ]

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - COMBINATION METER ASSEMBLY) 

1. Disconnect the H108 radio and display receiver assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	DLC3	-	-
   *a	Front view of wire harness connector (to No. 7 Global CAN Junction Connector)	*b	to Radio and Display Receiver Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-4 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H99-15 (CANL) - H56-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - RADIO AND DISPLAY RECEIVER ASSEMBLY) 

1. Disconnect the H11 DCM (telematics transceiver) connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	DLC3	-	-
   *a	Front view of wire harness connector (to No. 7 Global CAN Junction Connector)	*b	to DCM (Telematics Transceiver)

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-5 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H99-16 (CANL) - H56-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE DCM (TELEMATICS TRANSCEIVER) 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - DCM (TELEMATICS TRANSCEIVER)) 

1. Disconnect the H31 meter mirror sub-assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	DLC3	-	-
   *a	Front view of wire harness connector (to No. 7 Global CAN Junction Connector)	*b	to Meter Mirror Sub-assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-1 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H99-12 (CANL) - H56-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE METER MIRROR SUB-ASSEMBLY 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - METER MIRROR SUB-ASSEMBLY) 

1. Disconnect the R1 inner rear view mirror assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	DLC3	-	-
   *a	Front view of wire harness connector (to No. 7 Global CAN Junction Connector)	*b	to Inner Rear View Mirror Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-6 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H99-17 (CANL) - H56-16 (BAT)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE INNER REAR VIEW MIRROR ASSEMBLY 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - INNER REAR VIEW MIRROR ASSEMBLY) 

1. Disconnect the H99 No. 6 global CAN junction connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a

   Front view of wire harness connector (to No. 6 Global CAN Junction Connector)

   *b

   to Central Gateway ECU (Network Gateway ECU)

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-2 (CANH) - H99-13 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  44

Result: 

OK 

See step  36

1. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a

   Front view of wire harness connector (to No. 7 Global CAN Junction Connector)

   *b

   to Combination Meter Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-3 (CANH) - H99-14 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  45

Result: 

OK 

See step  37

1. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a

   Front view of wire harness connector (to No. 7 Global CAN Junction Connector)

   *b

   to Radio and Display Receiver Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-4 (CANH) - H99-15 (CANL)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  46

Result: 

OK 

See step  38

1. Check vehicle type.

   Result

   Result	Proceed to
   w/ Telematics Transceiver	A
   w/o Telematics Transceiver	B

Result: 

B 

See step  40

Result: 

A 

See step  39

1. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a

   Front view of wire harness connector (to No. 7 Global CAN Junction Connector)

   *b

   to DCM (Telematics Transceiver)

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-5 (CANH) - H99-16 (CANL)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  47

Result: 

OK 

See step  40

1. Check vehicle type.

   Result

   Result	Proceed to
   w/ Headup Display System	A
   w/o Headup Display System	B

Result: 

B 

See step  42

Result: 

A 

See step  41

1. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a

   Front view of wire harness connector (to No. 7 Global CAN Junction Connector)

   *b

   to Meter Mirror Sub-assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-1 (CANH) - H99-12 (CANL)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  48

Result: 

OK 

See step  42

1. Check vehicle type.

   Result

   Result	Proceed to
   w/ Digital Inner Mirror System	A
   w/o Digital Inner Mirror System	B

Result: 

B 

REPLACE NO. 7 GLOBAL CAN JUNCTION CONNECTOR 

Result: 

A 

See step  43

1. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a

   Front view of wire harness connector (to No. 7 Global CAN Junction Connector)

   *b

   to Inner Rear View Mirror Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-6 (CANH) - H99-17 (CANL)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 7 GLOBAL CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  49

1. Disconnect the H143 central gateway ECU (network gateway ECU) connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a

   Front view of wire harness connector (to No. 6 Global CAN Junction Connector)

   *b

   to Central Gateway ECU (Network Gateway ECU)

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-2 (CANH) - H99-13 (CANL)	Cable disconnected from negative (-) battery terminal	1 MΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

1. Disconnect the H21 or H113 combination meter assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a

   Front view of wire harness connector (to No. 7 Global CAN Junction Connector)

   *b

   to Combination Meter Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-3 (CANH) - H99-14 (CANL)	Cable disconnected from negative (-) battery terminal	1 MΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE COMBINATION METER ASSEMBLY 

Refer to REMOVAL [12/2019 - ]

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - COMBINATION METER ASSEMBLY) 

1. Disconnect the H108 radio and display receiver assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a

   Front view of wire harness connector (to No. 7 Global CAN Junction Connector)

   *b

   to Radio and Display Receiver Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-4 (CANH) - H99-15 (CANL)	Cable disconnected from negative (-) battery terminal	1 MΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - RADIO AND DISPLAY RECEIVER ASSEMBLY) 

1. Disconnect the H11 DCM (telematics transceiver) connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a

   Front view of wire harness connector (to No. 7 Global CAN Junction Connector)

   *b

   to DCM (Telematics Transceiver)

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-5 (CANH) - H99-16 (CANL)	Cable disconnected from negative (-) battery terminal	1 MΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE DCM (TELEMATICS TRANSCEIVER) 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - DCM (TELEMATICS TRANSCEIVER)) 

1. Disconnect the H31 meter mirror sub-assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a

   Front view of wire harness connector (to No. 7 Global CAN Junction Connector)

   *b

   to Meter Mirror Sub-assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-1 (CANH) - H99-12 (CANL)	Cable disconnected from negative (-) battery terminal	1 MΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE METER MIRROR SUB-ASSEMBLY 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - METER MIRROR SUB-ASSEMBLY) 

1. Disconnect the R1 inner rear view mirror assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a

   Front view of wire harness connector (to No. 7 Global CAN Junction Connector)

   *b

   to Inner Rear View Mirror Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-6 (CANH) - H99-17 (CANL)	Cable disconnected from negative (-) battery terminal	1 MΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE INNER REAR VIEW MIRROR ASSEMBLY 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 7 GLOBAL CAN JUNCTION CONNECTOR - INNER REAR VIEW MIRROR ASSEMBLY) 

1. Disconnect the H143 central gateway ECU (network gateway ECU) connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H143-30 (CA3H) - H143-29 (CA3L)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Front view of wire harness connector (to Central Gateway ECU (Network Gateway ECU))

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

Refer to REMOVAL [11/2023 - ]

Result: 

NG 

See step  51

1. Reconnect the H143 central gateway ECU (network gateway ECU) connector.
2. Disconnect the H99 No. 7 global CAN junction connector.
3. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a

   Front view of wire harness connector (to No. 7 Global CAN Junction Connector)

   *b

   to Central Gateway ECU (Network Gateway ECU)

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-2 (CANH) - H99-13 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 6 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

Result: 

OK 

See step  52

1. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a

   Front view of wire harness connector (to No. 7 Global CAN Junction Connector)

   *b

   to Combination Meter Assembly

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H99-3 (CANH) - H99-14 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 7 GLOBAL CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  53

1. Check vehicle type.

   Result

   Result	Proceed to
   for 12.3 Inch Display	A
   except 12.3 Inch Display	B

Result: 

B 

See step  55

Result: 

A 

See step  54

1. Reconnect the H99 No. 7 global CAN junction connector.
2. Disconnect the H113 combination meter assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H113-31 (CANH) - H113-14 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Front view of wire harness connector (to Combination Meter Assembly)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE COMBINATION METER ASSEMBLY 

Refer to REMOVAL [12/2019 - ]

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (COMBINATION METER ASSEMBLY - NO. 7 GLOBAL CAN JUNCTION CONNECTOR) 

1. Reconnect the H99 No. 7 global CAN junction connector.
2. Disconnect the H21 combination meter assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H21-32 (CANH) - H21-31 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Front view of wire harness connector (to Combination Meter Assembly)

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE COMBINATION METER ASSEMBLY 

Refer to REMOVAL [12/2019 - ]

Result: 

NG 

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (COMBINATION METER ASSEMBLY - NO. 7 GLOBAL CAN JUNCTION CONNECTOR)