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:

Power Source Mode does not Change to ON (ACC)
DESCRIPTION When the engine switch is pushed with the electrical key in the cabin, the power management control ECU receives signals to change the power source mode. HINT: To allow use of the Techstream to inspect the push-button start function when the ...

ACC Signal Circuit
DESCRIPTION This circuit detects the ignition switch ACC or off condition, and sends it to the main body ECU (driver side junction block assembly). WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system ...

Wireless-linked Return Function does not Operate
DESCRIPTION When the vehicle doors are unlocked through wireless unlock or entry unlock*1 operation, the certification ECU (smart key ECU assembly)*1 or main body ECU (driver side junction block assembly) sends the key ID signal and memory call request si ...