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:

Front seats
► Power seat 1. Seat position fore/aft control switch 2. Seatback angle control switch 3. Seat cushion (front) angle control switch (driver’s side only) 4. Vertical height control switch (driver’s side only) 5. Lumbar support control switch & ...

Sleep Operation Failure of Occupant Classification ECU (B1796)
DESCRIPTION In sleep mode, the occupant classification ECU reads the condition of each sensor while the ignition switch is off. In this mode, if occupant classification ECU detects an internal malfunction, DTC B1796 is output. DTC No. ...

Steering Pad Switch Circuit
DESCRIPTION This circuit sends an operation signal from the steering pad switch assembly to the radio and display receiver assembly. If there is an open in the circuit, the audio system cannot be operated using the steering pad switch assembly. If there ...