Toyota Venza manuals

Toyota Venza: Door Mirror Foot Light Circuit

Toyota Venza Service Manual / Lighting (ext) / Lighting System / Door Mirror Foot Light Circuit

DESCRIPTION

The main body ECU (driver side junction block assembly) controls the door mirror foot lights.

WIRING DIAGRAM

1. w/o Seat Position Memory:


2. w/ Seat Position Memory:


PROCEDURE

1.

CHECK VEHICLE CONDITION

(a) Check the vehicle condition.

Result

Proceed to

w/o Seat Position Memory

A

w/ Seat Position Memory

B


B

GO TO STEP 5


A

2.

PERFORM ACTIVE TEST USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Main Body / Active Test.

(e) Check that the door mirror foot lights operate.

Main Body

Tester Display

Test Part

Control Range

Diagnostic Note

Side Mirror Foot Light

Door mirror foot lights

ON/OFF

-

OK:

Door mirror foot lights illuminate.


OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE


NG

3.

INSPECT OUTER REAR VIEW MIRROR ASSEMBLY

(a) Remove the outer rear view mirror assembly that does not illuminate (See page ).



(b) Connect a positive (+) lead from the battery to terminal 10 (MLP) and a negative (-) lead to terminal 9 (-).

(c) Check that the outer mirror foot light comes on.

Result

Proceed to

OK

A

NG (Door mirror foot light LH does not come on)

B

NG (Door mirror foot light RH does not come on)

C

Text in Illustration

*1

Component without harness connected

(Outer Rear View Mirror Assembly LH)

(Outer Rear View Mirror Assembly RH)


B

REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH


C

REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH


A

4.

CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - OUTER REAR VIEW MIRROR ASSEMBLY)

(a) Disconnect the D49 main body ECU (driver side junction block assembly) connector.

(b) Disconnect the I11 or H11 outer rear view mirror assembly connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

I11-10 (MLP) - D49-3 (MILE)

Always

Below 1 Ω

H11-10 (MLP) - D49-3 (MILE)

Always

Below 1 Ω

D49-3 (MILE) - Body ground

Always

10 kΩ or higher


OK

REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

5.

PERFORM ACTIVE TEST USING TECHSTREAM

(a) Connect the Techstream on the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Mirror L or Mirror R / Active Test.

(e) Check that the door mirror foot lights operate.

Mirror L

Tester Display

Test Part

Control Range

Diagnostic Note

Foot Light

Door mirror foot light LH

ON/OFF

-

Mirror R

Tester Display

Test Part

Control Range

Diagnostic Note

Foot Light

Door mirror foot light RH

ON/OFF

-

Result

Proceed to

OK

A

NG (Door mirror foot light LH does not come on)

B

NG (Door mirror foot light RH does not come on)

C


A

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE


C

GO TO STEP 8


B

6.

INSPECT OUTER REAR VIEW MIRROR ASSEMBLY LH

(a) Remove the outer rear view mirror assembly LH (See page ).



(b) Connect a positive (+) lead from the battery to terminal 10 (MLP) and a negative (-) lead to terminal 9 (-).

(c) Check that the outer mirror foot light comes on.

OK:

Door mirror foot light comes on.

Text in Illustration

*1

Component without harness connected

(Outer Rear View Mirror Assembly LH)


NG

REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH


OK

7.

CHECK HARNESS AND CONNECTOR (OUTER MIRROR CONTROL ECU ASSEMBLY LH - OUTER REAR VIEW MIRROR ASSEMBLY LH)

(a) Disconnect the I12 outer mirror control ECU assembly LH connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

I12-2 (LP) - I11-10 (MLP)

Always

Below 1 Ω

I12-2 (LP) - Body ground

Always

10 kΩ or higher

I12-12 (HTR-) - I11-9 (-)

Always

Below 1 Ω

I12-12 (HTR-) - Body ground

Always

10 kΩ or higher


OK

REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY LH


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

8.

INSPECT OUTER REAR VIEW MIRROR ASSEMBLY RH

(a) Remove the outer rear view mirror assembly RH (See page ).



(b) Connect a positive (+) lead from the battery to terminal 10 (MLP) and a negative (-) lead to terminal 9 (-).

(c) Check that the outer mirror foot light comes on.

OK:

Door mirror foot light comes on.

Text in Illustration

*1

Component without harness connected

(Outer Rear View Mirror Assembly RH)


NG

REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH


OK

9.

CHECK HARNESS AND CONNECTOR (OUTER MIRROR CONTROL ECU ASSEMBLY RH - OUTER REAR VIEW MIRROR ASSEMBLY RH)

(a) Disconnect the H12 outer mirror control ECU assembly RH connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

H12-2 (LP) - H11-10 (MLP)

Always

Below 1 Ω

H12-2 (LP) - Body ground

Always

10 kΩ or higher

H12-12 (HTR-) - H11-9 (-)

Always

Below 1 Ω

H12-12 (HTR-) - Body ground

Always

10 kΩ or higher


OK

REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY RH


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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