Toyota Venza manuals

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.

(c) Turn the Techstream 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.


OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE


NG

2.

INSPECT ENGINE SWITCH

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



(b) Apply battery voltage to the engine switch.

(c) Check that the illumination comes on.

OK:

Measurement Condition

Specified Condition

Battery positive (+) → Terminal 11 (SWIL)

Battery negative (-) → Terminal 5 (GND)

Engine switch illumination comes on

Text in Illustration

*1

Illumination

*2

Component without harness connected

(Engine Switch)


NG

REPLACE ENGINE SWITCH


OK

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.

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

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

*1

Front view of wire harness connector

(to Engine Switch)

*2

Front view of wire harness connector

(to Certification ECU (Smart Key ECU Assembly))


OK

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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