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:

Back Door Entry Unlock Function does not Operate
DESCRIPTION If the entry back door open function does not operate but the back door entry lock function operates, the communication between the vehicle and key is normal. As a faulty part, the back door open switch circuit (from the back door opener switc ...

Internal Control Module A/D Processing Performance (P060B)
MONITOR DESCRIPTION This DTC is stored when a communication error occurs in the ECM. DTC Code DTC Detection Condition Trouble Area P060B There is an ECM main CPU communication error (1 trip detecti ...

Engine immobilizer system
The vehicle’s keys have built-in transponder chips that prevent the engine from starting if the key has not been previously registered in the vehicle’s on-board computer. Never leave the keys inside the vehicle when you leave the vehicle. Vehicles ...