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:

Back Door Closer Switch Malfunction (B2251)
DESCRIPTION The power back door ECU (power back door motor unit)*1 or back door closer ECU (multiplex network door ECU)*2 receives signals from the latch switch, sector switch and back door courtesy switch, which are built into the back door lock. Based o ...

Startability Malfunction (P1604)
DESCRIPTION This DTC is stored when the engine does not start even though the STA signal is input or when the engine takes a long time to start, and when the engine speed is low or the engine stalls just after the engine starts. Using the Techstream, the ...

Precaution
PRECAUTION 1. PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: After the ignition switch is turned off, the navigation receiver assembly records various types of memory and settings. As a result, after turning the ig ...