Power Retractable Mirrors do not Operate with Power Retract Mirror Switch [10/2022 - 11/2023]: Procedure

1. Read the Data List according to the display on the GTS.

   Body Electrical > Main Body > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Outer Mirror Fold SW	Retractable outer mirror switch signal	OFF or ON	OFF: Retractable outer mirror switch not in retract position ON: Retractable outer mirror switch in retract position	-

   Body Electrical > Main Body > Data List 

   Tester Display
   Outer Mirror Fold SW

   OK

   On the GTS screen, ON or OFF is displayed accordingly.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  9

Result: 

OK 

See step  2

1. Perform the Active Test according to the display on the GTS.

   Body Electrical > Mirror L > Active Test 

   Tester Display	Measurement Item	Control Range	Diagnostic Note
   Mirror Fold/Return	Mirror retract operation	OFF, Return or Fold	Operate with ignition switch ON and the vehicle stopped. This test activates the Fold / Return. This operation can be confirmed by watching the mirror move in the desired direction.

   Body Electrical > Mirror L > Active Test 

   Tester Display
   Mirror Fold/Return

   Body Electrical > Mirror R > Active Test 

   Tester Display	Measurement Item	Control Range	Diagnostic Note
   Mirror Fold/Return	Mirror retract operation	OFF, Return or Fold	Operate with ignition switch ON and the vehicle stopped. This test activates the Fold / Return. This operation can be confirmed by watching the mirror move in the desired direction.

   Body Electrical > Mirror R > Active Test 

   Tester Display
   Mirror Fold/Return

   Result

   Result	Proceed to
   Outer rear view mirror assemblies operate normally	A
   Outer rear view mirror assembly (driver door) does not operate normally	B
   Outer rear view mirror assembly (front passenger door) does not operate normally	C

Result: 

A 

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [10/2022 - 11/2023] 

Result: 

C 

See step  6

Result: 

B 

See step  3

Refer to INSPECTION [12/2019 - ]

Result

Result: 

NG 

REPLACE OUTER REAR VIEW MIRROR ASSEMBLY (DRIVER DOOR). Refer to  REMOVAL [12/2019 - 11/2023] 

Result: 

OK 

See step  4

1. Temporarily replace the outer mirror control ECU assembly (driver door) with a new or known good one.

   Refer to REMOVAL [12/2019 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  5

1. Check the power retract mirror function operates normally.

   Refer to OPERATION CHECK [12/2019 - ]

   OK

   Power retract mirror function operates normally.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END (OUTER MIRROR CONTROL ECU ASSEMBLY (DRIVER DOOR) WAS DEFECTIVE) 

Result: 

NG 

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [10/2022 - 11/2023] 

Refer to INSPECTION [12/2019 - ]

Result

Result: 

NG 

REPLACE OUTER REAR VIEW MIRROR ASSEMBLY (FRONT PASSENGER DOOR). Refer to  REMOVAL [12/2019 - 11/2023] 

Result: 

OK 

See step  7

1. Temporarily replace the outer mirror control ECU assembly (front passenger door) with a new or known good one.

   Refer to REMOVAL [12/2019 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  8

1. Check the power retract mirror function operates normally.

   Refer to OPERATION CHECK [12/2019 - ]

   OK

   Power retract mirror function operates normally.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END (OUTER MIRROR CONTROL ECU ASSEMBLY (FRONT PASSENGER DOOR) WAS DEFECTIVE) 

Result: 

NG 

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [10/2022 - 11/2023] 

Refer to INSPECTION [12/2019 - ]

Result

Result: 

NG 

REPLACE OUTER MIRROR SWITCH ASSEMBLY. Refer to  REMOVAL [12/2019 - ] 

Result: 

OK 

See step  10

1. Disconnect the H44 main body ECU (multiplex network body ECU).
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J22-10 (MR) - H44-16 (RET)	Always	Below 1 Ω
   J22-9 (MAT) - H44-6 (AMR)	Always	Below 1 Ω
   J22-8 (E2) - H44-9 (MIRE)	Always	Below 1 Ω
   J22-10 (MR) or H44-16 (RET) - Body ground	Always	10 kΩ or higher
   J22-9 (MAT) or H44-6 (AMR) - Body ground	Always	10 kΩ or higher
   J22-8 (E2) or H44-9 (MIRE) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [10/2022 - 11/2023] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR