Toyota Venza: Inner Rear View Mirror Power Source Circuit

Toyota Venza Service Manual / Lighting (ext) / Lighting System / Inner Rear View Mirror Power Source Circuit

DESCRIPTION

This circuit detects the state of the ignition switch, and sends it to the inner rear view mirror assembly.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1.	CHECK HARNESS AND CONNECTOR (BATTERY - INNER REAR VIEW MIRROR ASSEMBLY)

(a) Disconnect the P12 inner rear view mirror assembly connector.

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

Standard Voltage:

Tester Connection	Switch Condition	Specified Condition
P12-1 (IG) - Body ground	Ignition switch ON	11 to 14 V
P12-1 (IG) - Body ground	Ignition switch off	Below 1 V

Text in Illustration

*1	Front view of wire harness connector (to Inner Rear View Mirror Assembly)

REPAIR OR REPLACE HARNESS OR CONNECTOR

2.	CHECK HARNESS AND CONNECTOR (INNER REAR VIEW MIRROR ASSEMBLY - BODY GROUND)

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
P12-2 (E) - Body ground	Always	Below 1 Ω

Text in Illustration

*1	Front view of wire harness connector (to Inner Rear View Mirror Assembly)

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

REPAIR OR REPLACE HARNESS OR CONNECTOR

Speed Signal Circuit

DESCRIPTION The headlight leveling ECU assembly receives the vehicle speed signal from the combination meter assembly. HINT: A voltage of 12 V or 5 V is output from each ECU and then inpu ...

LVL Terminal Circuit

DESCRIPTION By connecting terminals LVL and CG of the DLC3, the headlight leveling ECU assembly initializes the height control sensor signal. WIRING DIAGRAM PROCEDURE ...

Other materials about Toyota Venza:

Certification ECU Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Certification ECU Communication Stop Mode "Smart Access/Smart Key/Wireless Tuner" is not displayed on "CAN Bus Check&q ...

Engine Switch Illumination Circuit
DESCRIPTION The illuminated entry system controls the engine switch illumination. WIRING DIAGRAM PROCEDURE 1. PERFORM ACTIVE TEST USING TECHSTREAM (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to O ...

Installation
INSTALLATION PROCEDURE 1. INSTALL GENERATOR ASSEMBLY (a) Install the wire harness clamp with the bolt. Torque: 8.4 N·m {86 kgf·cm, 74 in·lbf} (b) Install the 2 bolts. Torque: ...