Check Bus 3 Line [12/2019 - 10/2022]: 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
   H59-6 (CA3H) - H59-21 (CA3L)	Cable disconnected from negative (-) battery terminal	Below 70 Ω

   Result

   Result
   OK
   NG

Result: 

NG 

See step  41

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
   H59-6 (CA3H) - H59-21 (CA3L)	Cable disconnected from negative (-) battery terminal	54 Ω or higher

   Result

   Result
   OK
   NG

Result: 

NG 

See step  29

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
   H59-6 (CA3H) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H59-21 (CA3L) - H56-16 (BAT)

   Result

   Result
   OK
   NG

Result: 

NG 

See step  17

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
   H59-6 (CA3H) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H59-21 (CA3L) - H56-4 (CG)

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

Refer to REMOVAL [12/2019 - 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

   Result
   OK
   NG

Result: 

NG 

See step  11

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 Central Gateway ECU (Network Gateway ECU)

   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

   Result
   OK
   NG

Result: 

NG 

See step  12

Result: 

OK 

See step  7

1. Check vehicle type.

   Result

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

Result: 

B 

See step  9

Result: 

A 

See step  8

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

   Result
   OK
   NG

Result: 

NG 

See step  13

Result: 

OK 

See step  9

1. Check vehicle type.

   Result

   Result	Proceed to
   for 12.3 Inch Display	A
   for 8 Inch Display	B

Result: 

B 

See step  14

Result: 

A 

See step  10

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 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

   Result
   OK
   NG

Result: 

OK 

REPLACE NO. 7 GLOBAL CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  15

1. Disconnect the H59 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

   Result
   OK
   NG

Result: 

OK 

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

Refer to REMOVAL [12/2019 - 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 H59 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
   H99-3 (CANH) - H56-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
   H99-14 (CANL) - H56-4 (CG)

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

Refer to REMOVAL [12/2019 - 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 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

   Result
   OK
   NG

Result: 

OK 

REPLACE TELEPHONE TRANSCEIVER ASSEMBLY 

Refer to REMOVAL [12/2019 - 10/2022]

Result: 

NG 

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

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

   Result
   OK
   NG

Result: 

OK 

REPLACE NO. 7 GLOBAL CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  16

1. Disconnect the H5 radio 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 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

   Result
   OK
   NG

Result: 

OK 

REPLACE RADIO RECEIVER ASSEMBLY 

Refer to REMOVAL [12/2019 - 10/2022]

Result: 

NG 

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

1. Disconnect the H2 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

   Result
   OK
   NG

Result: 

OK 

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY 

Refer to REMOVAL [12/2019 - 10/2022]

Result: 

NG 

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

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) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H99-13 (CANL) - H56-16 (BAT)

   Result

   Result
   OK
   NG

Result: 

NG 

See step  23

Result: 

OK 

See step  18

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 Central Gateway ECU (Network Gateway ECU)

   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

   Result
   OK
   NG

Result: 

NG 

See step  24

Result: 

OK 

See step  19

1. Check vehicle type.

   Result

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

Result: 

B 

See step  21

Result: 

A 

See step  20

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

   Result
   OK
   NG

Result: 

NG 

See step  25

Result: 

OK 

See step  21

1. Check vehicle type.

   Result

   Result	Proceed to
   for 12.3 Inch Display	A
   for 8 Inch Display	B

Result: 

B 

See step  26

Result: 

A 

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 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

   Result
   OK
   NG

Result: 

OK 

REPLACE NO. 7 GLOBAL CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  27

1. Disconnect the H59 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) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H99-13 (CANL) - H56-16 (BAT)

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

Refer to REMOVAL [12/2019 - 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 H59 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
   H99-3 (CANH) - H56-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
   H99-14 (CANL) - H56-16 (BAT)

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

Refer to REMOVAL [12/2019 - 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 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

   Result
   OK
   NG

Result: 

OK 

REPLACE DCM (TELEMATICS TRANSCEIVER) 

Refer to REMOVAL [12/2019 - 10/2022]

Result: 

NG 

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

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

   Result
   OK
   NG

Result: 

OK 

REPLACE NO. 7 GLOBAL CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  28

1. Disconnect the H5 radio 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 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

   Result
   OK
   NG

Result: 

OK 

REPLACE RADIO RECEIVER ASSEMBLY 

Refer to REMOVAL [12/2019 - 10/2022]

Result: 

NG 

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

1. Disconnect the H2 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

   Result
   OK
   NG

Result: 

OK 

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY 

Refer to REMOVAL [12/2019 - 10/2022]

Result: 

NG 

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

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

   *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

   Result
   OK
   NG

Result: 

NG 

See step  35

Result: 

OK 

See step  30

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 Central Gateway ECU (Network Gateway ECU)

   Standard Resistance

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

   Result

   Result
   OK
   NG

Result: 

NG 

See step  36

Result: 

OK 

See step  31

1. Check vehicle type.

   Result

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

Result: 

B 

See step  33

Result: 

A 

See step  32

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

   Result
   OK
   NG

Result: 

NG 

See step  37

Result: 

OK 

See step  33

1. Check vehicle type.

   Result

   Result	Proceed to
   for 12.3 Inch Display	A
   for 8 Inch Display	B

Result: 

B 

See step  38

Result: 

A 

See step  34

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 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

   Result
   OK
   NG

Result: 

OK 

REPLACE NO. 7 GLOBAL CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  39

1. Disconnect the H59 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. 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	1 MΩ or higher

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

Refer to REMOVAL [12/2019 - 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 H59 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. 7 Global CAN Junction Connector)

   *b

   to Central Gateway ECU (Network Gateway ECU)

   Standard Resistance

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

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

Refer to REMOVAL [12/2019 - 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 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

   Result
   OK
   NG

Result: 

OK 

REPLACE DCM (TELEMATICS TRANSCEIVER) 

Refer to REMOVAL [12/2019 - 10/2022]

Result: 

NG 

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

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

   Result
   OK
   NG

Result: 

OK 

REPLACE NO. 7 GLOBAL CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  40

1. Disconnect the H5 radio 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 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

   Result
   OK
   NG

Result: 

OK 

REPLACE RADIO RECEIVER ASSEMBLY 

Refer to REMOVAL [12/2019 - 10/2022]

Result: 

NG 

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

1. Disconnect the H2 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

   Result
   OK
   NG

Result: 

OK 

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY 

Refer to REMOVAL [12/2019 - 10/2022]

Result: 

NG 

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

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

   *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

   Result
   OK
   NG

Result: 

NG 

See step  43

Result: 

OK 

See step  42

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 Central Gateway ECU (Network Gateway ECU)

   Standard Resistance

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

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE NO. 7 GLOBAL CAN JUNCTION CONNECTOR 

Result: 

NG 

See step  45

1. Reconnect the H99 No. 7 global CAN junction connector.
2. Disconnect the H59 central gateway ECU (network gateway ECU) 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 Central Gateway ECU (Network Gateway ECU))

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H59-6 (CA3H) - H59-19 (CAYH)	Cable disconnected from negative (-) battery terminal	Below 1 Ω

   Result

   Result
   OK
   NG

Result: 

NG 

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

Result: 

OK 

See step  44

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 Central Gateway ECU (Network Gateway ECU))

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H59-21 (CA3L) - H59-20 (CAYL)	Cable disconnected from negative (-) battery terminal	Below 1 Ω

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

Refer to REMOVAL [12/2019 - 11/2023]

Result: 

NG 

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

1. Reconnect the H99 No. 7 global CAN junction connector.
2. Disconnect the H59 central gateway ECU (network gateway ECU) 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 Central Gateway ECU (Network Gateway ECU))

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H59-6 (CA3H) - H59-19 (CAYH)	Cable disconnected from negative (-) battery terminal	Below 1 Ω

   Result

   Result
   OK
   NG

Result: 

NG 

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

Result: 

OK 

See step  46

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 Central Gateway ECU (Network Gateway ECU))

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H59-21 (CA3L) - H59-20 (CAYL)	Cable disconnected from negative (-) battery terminal	Below 1 Ω

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

Refer to REMOVAL [12/2019 - 11/2023]

Result: 

NG 

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