Power Mirrors do not Return to Memorized Position [12/2019 - 11/2023]: Procedure

1. When any seat memory switch (M1 or M2) is pressed, check that the driver seat moves to the memorized position.

   Refer to OPERATION CHECK [12/2019 - 10/2022] , or refer to OPERATION CHECK [10/2022 - 11/2023]

   OK

   Driver seat moves to the memorized position.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO FRONT POWER SEAT CONTROL SYSTEM (Power Seat does not Return to Memorized Position) 

Refer to Power Seat does not Return to Memorized Position [12/2019 - 10/2022] , or refer to Power Seat does not Return to Memorized Position [10/2022 - 11/2023]

Result: 

OK 

See step  2

1. Check the electrical remote control mirror function.

   Refer to OPERATION CHECK [12/2019 - 10/2022] , or refer to OPERATION CHECK [10/2022 - 11/2023]

   OK

   Electrical remote control mirror function is normal.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO OTHER DIAGNOSTIC PROCEDURE (Power Mirror cannot be Adjusted with Power Mirror Switch) 

Refer to Power Mirror cannot be Adjusted with Power Mirror Switch [12/2019 - 11/2023] 

Result: 

OK 

See step  3

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

   Body Electrical > Mirror L > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Mirror Memory No. 1	Mirror position memorized in memory switch M1	OFF or ON	OFF: Not memorized ON: Memorized	-
   Mirror Memory No. 2	Mirror position memorized in memory switch M2	OFF or ON	OFF: Not memorized ON: Memorized	-

   Body Electrical > Mirror L > Data List 

   Tester Display
   Mirror Memory No. 1
   Mirror Memory No. 2

   Body Electrical > Mirror R > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Mirror Memory No. 1	Mirror position memorized in memory switch M1	OFF or ON	OFF: Not memorized ON: Memorized	-
   Mirror Memory No. 2	Mirror position memorized in memory switch M2	OFF or ON	OFF: Not memorized ON: Memorized	-

   Body Electrical > Mirror R > Data List 

   Tester Display
   Mirror Memory No. 1
   Mirror Memory No. 2

   OK

   ON (Memorized) appears on the screen.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO OTHER DIAGNOSTIC PROCEDURE (Power Mirror Surface Position is not Memorized) 

Refer to Power Mirror Surface Position is not Memorized [12/2019 - 11/2023] 

Result: 

OK 

See step  4

1. Turn the ignition switch to ON.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Turn to Fully Left Position

2. Using the outer mirror switch assembly, turn the mirror surface to the fully left position.
3. Press the M1 switch while the SET switch is being pressed.
4. Check that the buzzer sounds for 0.5 seconds and the mirror surface position is memorized.
5. Using the outer mirror switch assembly, turn the mirror surface to the fully right position.
6. Press the M1 switch.
7. Check that the buzzer sounds for 0.1 seconds and the outer mirror automatically moves to the memorized fully left position.

   Result

   Result	Proceed to
   Memory and reactivation functions on both mirrors are not normal	A
   Memory and reactivation function on driver door mirror is not normal	B
   Memory and reactivation function on front passenger door mirror is not normal	C

Result: 

A 

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 

Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

Result: 

C 

See step  8

Result: 

B 

See step  5

1. Remove the outer mirror actuator assembly (driver door).

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

2. Disconnect the z17 outer mirror control ECU assembly (driver door) 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 Outer Mirror Control ECU Assembly (Driver Door))
   *b	Front view of wire harness connector (to Outer Mirror Actuator Assembly (Driver Door))

   STANDARD RESISTANCE:
   
   

   Tester Connection	Condition	Specified Condition
   z17-6 (VSRL) - D-2	Always	Below 1 Ω
   z17-6 (VSRL) or D-2 - Body ground	Always	10 kΩ or higher
   z17-5 (VC) - D-3	Always	Below 1 Ω
   z17-5 (VC) or D-3 - Body ground	Always	10 kΩ or higher
   z17-13 (HSRL) - D-1	Always	Below 1 Ω
   z17-13 (HSRL) or D-1 - Body ground	Always	10 kΩ or higher
   z17-14 (E1) - D-4	Always	Below 1 Ω
   z17-14 (E1) - D-4	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE OUTER REAR VIEW MIRROR ASSEMBLY (DRIVER DOOR) 

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

Result: 

OK 

See step  6

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

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

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  7

1. Turn the ignition switch to ON.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Turn to Fully Left Position

2. Using the outer mirror switch assembly, turn the mirror surface to the fully left position.
3. Press the M1 switch while the SET switch is being pressed.
4. Check that the buzzer sounds for 0.5 seconds and the mirror surface position is memorized.
5. Using the outer mirror switch assembly, turn the mirror surface to the fully right position.
6. Press the M1 switch.
7. Check that the buzzer sounds for 0.1 seconds and the outer mirror automatically moves to the memorized fully left position.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END (OUTER MIRROR ACTUATOR ASSEMBLY (DRIVER DOOR) WAS DEFECTIVE) 

Result: 

NG 

REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY (DRIVER DOOR) 

Refer to REMOVAL [12/2019 - ]

1. Remove the outer mirror actuator assembly (front passenger door).

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

2. Disconnect the z16 outer mirror control ECU assembly (front passenger door) 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 Outer Mirror Control ECU Assembly (Front Passenger Door))
   *b	Front view of wire harness connector (to Outer Mirror Actuator Assembly (Front Passenger Door))

   STANDARD RESISTANCE:
   
   

   Tester Connection	Condition	Specified Condition
   z16-6 (VSSR) - E-2	Always	Below 1 Ω
   z16-6 (VSSR) or E-2 - Body ground	Always	10 kΩ or higher
   z16-5 (VC) - E-3	Always	Below 1 Ω
   z16-5 (VC) or E-3 - Body ground	Always	10 kΩ or higher
   z16-13 (HSSR) - E-1	Always	Below 1 Ω
   z16-13 (HSSR) or E-1 - Body ground	Always	10 kΩ or higher
   z16-14 (E1) - E-4	Always	Below 1 Ω
   z16-14 (E1) or D-4 - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE OUTER REAR VIEW MIRROR ASSEMBLY (FRONT PASSENGER DOOR) 

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

Result: 

OK 

See step  9

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

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

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  10

1. Turn the ignition switch to ON.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Turn to Fully Left Position

2. Using the outer mirror switch assembly, turn the mirror surface to the fully left position.
3. Press the M1 switch while the SET switch is being pressed.
4. Check that the buzzer sounds for 0.5 seconds and the mirror surface position is memorized.
5. Using the outer mirror switch assembly, turn the mirror surface to the fully right position.
6. Press the M1 switch.
7. Check that the buzzer sounds for 0.1 seconds and the outer mirror automatically moves to the memorized fully left position.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END (OUTER MIRROR ACTUATOR ASSEMBLY (FRONT PASSENGER DOOR) WAS DEFECTIVE) 

Result: 

NG 

REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY (FRONT PASSENGER DOOR) 

Refer to REMOVAL [12/2019 - ]