Toyota Venza: Engine Switch Illumination Circuit

Toyota Venza Service Manual / Lighting (int) / Lighting System / 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 the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(d) Enter the following menus: Body Electrical / Smart Key / Active Test.

(e) Check that the illumination operates.

Smart Key

Tester Display	Test Part	Control Range	Diagnostic Note
Power/Engine SW Light	Engine switch illumination	ON/OFF	-

OK:

Engine switch illumination comes on.

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

2.	INSPECT ENGINE SWITCH

(a) Remove the engine switch (See page ).

(b) Apply battery voltage to the engine switch.

OK:

Measurement Condition	Specified Condition
Battery positive (+) → Terminal 11 (SWIL) Battery negative (-) → Terminal 5 (GND)	Engine switch illumination comes on

Measurement Condition

Specified Condition

Battery positive (+) → Terminal 11 (SWIL)

Battery negative (-) → Terminal 5 (GND)

Engine switch illumination comes on

Text in Illustration

Illumination

Component without harness connected

(Engine Switch)

REPLACE ENGINE SWITCH

3.	CHECK HARNESS AND CONNECTOR (ENGINE SWITCH - CERTIFICATION ECU AND BODY GROUND)

(a) Disconnect the D25 certification ECU (smart Key ECU Assembly) connector.

(b) Disconnect the D13 engine switch connector.

Standard Resistance:

Tester Connection	Condition	Specified Condition
D13-11 (SWIL) - D25-11 (SWIL)	Always	Below 1 Ω
D13-5 (GND) - Body ground	Always	Below 1 Ω
D13-11 (SWIL) - Body ground	Always	10 kΩ or higher

Text in Illustration

Front view of wire harness connector

(to Engine Switch)

Front view of wire harness connector

(to Certification ECU (Smart Key ECU Assembly))

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

REPAIR OR REPLACE HARNESS OR CONNECTOR

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