Toyota Venza: Interior Light Auto Cut Circuit

Toyota Venza Service Manual / Lighting (int) / Lighting System / 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 DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

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

PROCEDURE

1.	INSPECT DOME CUT RELAY

(a) Remove the DOME CUT relay.

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
3 - 5	Battery voltage applied to terminals 1 and 2	Below 1 Ω
3 - 5	Battery voltage not applied between terminals	10 kΩ or higher

Text in Illustration

*1	Component without harness connected (DOME CUT Relay)

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

REPLACE DOME CUT RELAY

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 PRO ...

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 th ...

Other materials about Toyota Venza:

Test Mode Procedure
TEST MODE PROCEDURE 1. ENTER TEST MODE (SIGNAL CHECK MODE) (a) Turn the ignition switch off. (b) Connect the Techstream to the DLC3. (c) Turn the ignition switch to ON. (d) Check that the tire pressure warning light comes on for 3 seconds and then goes ...

System Diagram
SYSTEM DIAGRAM Communication Table Transmitting ECU (Transmitter) Receiving ECU (Receiver) Signal Communication Method Certification ECU (smart key ECU assembly) Power management contro ...

Inspection
INSPECTION PROCEDURE 1. INSPECT ENGINE COOLANT TEMPERATURE SENSOR Text in Illustration *1 Component without harness connected (Engine Coolant Temperature Sensor) *2 Temperature °C (°F) *3 ...