Reverse Shift-linked Function of Power Mirrors does not Operate: Procedure

1. Use the Techstream to check if the multiplex communication system is functioning normally. Refer to HOW TO PROCEED WITH TROUBLESHOOTING .

   OK

   Multiplex communication DTC is not output.

NG → See step   10 

OK: Go to next step 

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

   Result

   Result	Proceed to
   Reverse shift-linked function on both mirrors is not normal (for AT)	A
   Reverse shift-linked function on both mirrors is not normal (for MT)	B
   Reverse shift-linked function on either mirror is not normal	C

C → See step   9 

B → See step   6 

A: Go to next step 

1. Use the Techstream to check if the CAN communication system is functioning normally. Refer to HOW TO PROCEED WITH TROUBLESHOOTING .

   OK

   CAN communication DTC is not output.

NG → See step   11 

OK: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Powertrain / Engine / DTC.
5. Check if DTC P0705 is output.

   Result

   Result	Proceed to
   DTC P0705 is not output	A
   DTC P0705 is output (for A760E)	B
   DTC P0705 is output (for A960E)	C

C → See step   13 

B → See step   12 

A: Go to next step 

1. Enter the following menus: Chassis / ABS/VSC / Data List.
2. Read the Data List according to the display on the Techstream.
   ABS/VSC/TRAC
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Shift Lever Position	Shift lever position information / P/N, R, D/M, 1st-6th/B, FAIL	Actual shift lever position	-

   Result

   Result	Proceed to
   R is displayed on the Techstream when the shift lever is in R	A
   R is not displayed on the Techstream when the shift lever is in R (for 2GR-FSE)	B
   R is not displayed on the Techstream when the shift lever is in R (for 4GR-FSE)	C

C → See step   15 

B → See step   14 

A → See step   16 

1. Move the shift lever to R and check if the back up lights come on.

   OK

   The back up lights come on.

NG → See step   17 

OK: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Body No. 3 / Data List.
5. Read the Data List according to the display on the Techstream.
   BODY NO. 3
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Bkup Light SW	Back up light switch / ON or OFF	ON: Back up light switch on OFF: Back up light switch off	-

NG → See step   8 

OK → REPLACE MAIN BODY ECU LH (COWL SIDE JUNCTION BLOCK LH) 

1. Disconnect the E55 and LJ connectors.
   Fig 1: Identifying E55 And LJ Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   TEXT IN ILLUSTRATION
   
   

   *1	Front view of wire harness connector (to Body ECU (Cowl Side Junction Block LH))
   *2	Front view of wire harness connector (to Back Up Light Switch)

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   E55-1 - LJ-23 (BKUP)	Always	Below 1 Ω
   E55-1 - Body ground	Always	Below 1 Ω

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → REPLACE MAIN BODY ECU LH (COWL SIDE JUNCTION BLOCK LH) 

1. Turn the engine switch on (IG).
   Fig 2: Turning Mirror Surface To Full Left Position

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   TEXT IN ILLUSTRATION
   
   

   *1	Turn to Left Fully

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 recorded fully left position.

   OK

   Memory and reactivation function is normal.

NG → See step   18 

OK → See step   19