Reverse Shift-linked Function of Power Mirrors does not Operate [01/2017 - ]: Procedure

1. Turn the power switch on (IG).
2. Using the multiplex network master 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 multiplex network master 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 are normal	A
   Memory function is not normal	B
   Reactivation function is not normal	C

Result: 

B 

GO TO OTHER DIAGNOSTIC PROCEDURE (Power Mirror Surface Position is not Memorized). Refer to  Power Mirror Surface Position is not Memorized [01/2017 - ]  

Result: 

C 

GO TO OTHER DIAGNOSTIC PROCEDURE (Power Mirrors do not Return to Memorized Position). Refer to  Power Mirror Surface Position is not Memorized [01/2017 - ]  

Result: 

A 

See step  2

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Powertrain / Hybrid Control / DTC.
5. Check if electronic shift lever system DTCs are output.

   Powertrain > Hybrid Control > Trouble Codes 

   OK

   Electronic shift lever system DTCs are not output.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO ELECTRONIC SHIFT LEVER SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [01/2017 - 04/2020]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [04/2020 - 05/2023]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [05/2023 - ] 

Result: 

OK 

See step  3

1. Check if the shift position indicator light in the combination meter assembly operates normally.

   OK

   Shift position indicator light indicates the actual shift position correctly.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO METER / GAUGE SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [01/2017 - ] 

Result: 

OK 

See step  4

1. Turn the power switch on (READY).
2. Turn the mirror select switch R or L switch on.
3. Check that the mirror surface turns downward when the shift lever is moved to R.

   Result

   Result	Proceed to
   Reverse shift-linked functions on both mirrors are not normal	A
   Reverse shift-linked function on driver door is not normal	B
   Reverse shift-linked function on front passenger door is not normal	C

Result: 

B 

REPLACE FRONT MULTIPLEX NETWORK DOOR ECU LH. Refer to  DISASSEMBLY [01/2017 - 06/2019]  , or refer to  DISASSEMBLY [06/2019 - 04/2020]  , or refer to  DISASSEMBLY [04/2020 - 05/2023]  , or refer to  DISASSEMBLY [05/2023 - ] 

Result: 

C 

REPLACE FRONT MULTIPLEX NETWORK DOOR ECU RH. Refer to  DISASSEMBLY [01/2017 - 06/2019]  , or refer to  DISASSEMBLY [06/2019 - 04/2020]  , or refer to  DISASSEMBLY [04/2020 - 05/2023]  , or refer to  DISASSEMBLY [05/2023 - ] 

Result: 

A 

See step  5

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Master Switch / Data List.
5. Read the Data List according to the display on the Techstream.

   Body Electrical > Master Switch > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Mirror Selection SW (L)	Mirror select switch signal for LH mirror	OFF or ON	OFF: Mirror select switch off ON: Mirror select switch L switch on	-
   Mirror Selection SW (R)	Mirror select switch signal for RH mirror	OFF or ON	OFF: Mirror select switch off ON: Mirror select switch R switch on	-

   Body Electrical > Master Switch > Data List 

   Tester Display
   Mirror Selection SW (L)
   Mirror Selection SW (R)

   OK

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

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [01/2017 - 05/2023]  , or refer to  REMOVAL [05/2023 - ] 

Result: 

NG 

REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY. Refer to  REMOVAL [01/2017 - ]