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:

Reassembly
REASSEMBLY CAUTION / NOTICE / HINT HINT: Perform "Inspection After Repair" after replacing the piston or piston ring (See page ). PROCEDURE 1. INSTALL STUD BOLT NOTICE: If a stud bolt is deformed or the threads are damaged, replace it. (a) ...

System Diagram
SYSTEM DIAGRAM Communication Table Sender Receiver Signal Line Main body ECU (Driver side junction block assembly) Sliding roof ECU (Sliding roof drive gear sub-assembly) Key ...

Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1) (P0031,P0032,P101D)
DESCRIPTION Refer to DTC P2195 (See page ). HINT: When any of these DTCs is stored, the ECM enters fail-safe mode. The ECM turns off the air fuel ratio sensor heater in fail-safe mode. Fail-safe mode continues until the ignition switch is t ...