Toyota Venza: Interior Light Circuit

Toyota Venza Service Manual / Lighting (int) / Lighting System / Interior Light Circuit

DESCRIPTION

The illuminated entry system controls the roof console box assembly, step or spot light assembly and transponder key amplifier*1.

HINT:

*1: w/o Smart Key System

WIRING DIAGRAM

PROCEDURE

1.	PERFORM ACTIVE TEST USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

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

(e) Check that the lights operate.

Main Body

Tester Display	Test Part	Control Range	Diagnostic Note
Illuminated Entry System	Roof console box assembly, step or spot light assembly and transponder key amplifier	ON/OFF	Interior light switch is in the DOOR position and all doors are closed.

OK:

Each light fades in.

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

2.	INSPECT MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)

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

Text in Illustration

Component with harness connected

(Main Body ECU (Driver Side Junction Block Assembly))

Standard Voltage:

Tester Connection	Condition	Specified Condition
2K-9 - Body ground	Ignition key cylinder light off	11 to 14 V
2R-5 - Body ground	Interior light switch in DOOR position and Interior lights off	11 to 14 V

REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)

REPAIR OR REPLACE HARNESS OR CONNECTOR

Door Courtesy Switch Circuit

DESCRIPTION The main body ECU (driver side junction block assembly) detects the condition of the door courtesy light switch. WIRING DIAGRAM PROCEDURE 1. READ VALUE USING ...

Interior Light Auto Cut Circuit

DESCRIPTION When battery saving control operates while the interior lights are on, the main body ECU (driver side junction block assembly) opens the DOME CUT relay to turn off the lights. WIRING ...

Other materials about Toyota Venza:

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY) (a) Disconnect the 2A and 2C main body ECU (driver side junction block) connectors. (b) Disconnect the 2F main body ECU connector. (c) Measure the voltage and resistance accord ...

Rear Right Sensor Malfunction (C1AE9)
DESCRIPTION The No. 1 ultrasonic sensor (rear right sensor) is installed on the rear bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor (rear right sensor). If the No. 1 ultrasonic sensor (rear right sensor) has a ...

Removal
REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The procedure listed below is for the LH side. PROCEDURE 1. REMOVE REAR WHEEL 2. SEPARATE REAR DISC BRAKE CALIPER ASSEMBLY 3. REMOVE REAR DISC ...