Toyota Venza manuals

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

Toyota Venza Service Manual / Mirror (ext) / Power Mirror Control System(w/ Memory) / Reverse Shift-linked Function of Power Mirrors does not Operate

SYSTEM DESCRIPTION

On receiving a reverse signal from the park/neutral position switch assembly, the ECM sends the reverse signal to the main body ECU (driver side junction block assembly) via CAN communication. When receiving the reverse signal, the main body ECU (driver side junction block assembly) sends the reverse request signal to each outer mirror control ECU. Each outer mirror control ECU then performs control in response to the reverse signal.

HINT:

The reverse shift-linked function will not activate when the mirror select switch is in the neutral position (off).

WIRING DIAGRAM


CAUTION / NOTICE / HINT

HINT:

The reverse shift-linked function will not activate when the mirror select switch is in the neutral position (off).

PROCEDURE

1.

CHECK MEMORY AND REACTIVATION FUNCTION

(a) Turn the ignition switch ON.


(b) Using the outer mirror switch assembly, turn the mirror surface to the fully left position.

(c) Press the M1 switch while the SET switch is being pressed.

(d) Check that the buzzer sounds for 0.5 seconds and the mirror surface position is memorized.

(e) Using the outer mirror switch assembly, turn the mirror surface to the fully right position.

(f) Press the M1 switch.

(g) Check that the buzzer sounds for 0.1 seconds and the outer mirror automatically moves to the recorded fully left position.

Result

Proceed to

Memory and reactivation functions are normal.

A

Memory function is not normal.

B

Reactivation function is not normal.

C

Text in Illustration

*a

Turn to Left Fully


B

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


C

GO TO OTHER DIAGNOSIS PROCEDURE (Power Mirrors do not Return to Memorized Position)


A

2.

CHECK CAN COMMUNICATION SYSTEM

(a) Use the Techstream to check if the CAN communication system is functioning normally (See page ).


OK:

CAN communication DTC is not output.


NG

GO TO CAN COMMUNICATION SYSTEM (DIAGNOSTIC TROUBLE CODE CHART)


OK

3.

CHECK FOR DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Powertrain / Engine / DTC.

(e) Check if SFI system DTCs are output.

OK:

SFI system DTCs are not output.

Result

Proceed to

OK

A

NG (for 1AR-FE)

B

NG (for 2GR-FE)

C


B

GO TO SFI SYSTEM (for 1AR-FE) (DIAGNOSTIC TROUBLE CODE CHART)


C

GO TO SFI SYSTEM (for 2GR-FE) (DIAGNOSTIC TROUBLE CODE CHART)


A

4.

CHECK COMBINATION METER ASSEMBLY

(a) Check if the shift position indicator light in the combination meter assembly operates normally.

OK:

The shift position indicator light indicates the actual shift position correctly.


NG

GO TO METER / GAUGE SYSTEM (PROBLEM SYMPTOMS TABLE)


OK

5.

CHECK REVERSE SHIFT-LINKED FUNCTION

(a) Turn the ignition switch ON.


(b) Set the mirror select switch to L or R.

(c) Check that the mirror surface turns downward when the shift lever is moved to R.

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

Text in Illustration

*a

Downward


A

REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)


B

REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY (DRIVER DOOR)


C

REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY (FRONT PASSENGER DOOR)

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