Toyota Venza manuals

Toyota Venza: Navigation Voice Circuit

DESCRIPTION

This circuit is used when the voice switch of the steering pad switch assembly is pushed.

Using this circuit, the navigation receiver assembly sends signals to the stereo component amplifier assembly.

WIRING DIAGRAM


PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - STEREO COMPONENT AMPLIFIER ASSEMBLY)

(a) Disconnect the E39 navigation receiver assembly connector.

(b) Disconnect the E14 stereo component amplifier assembly connector.

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

Standard Resistance:

Tester connection

Condition

Specified condition

E39-2 (RL+) - E14-15 (II1+)

Always

Below 1 Ω

E39-6 (RL-) - E14-14 (II1-)

Always

Below 1 Ω

E14-15 (II1+) - Body ground

Always

10 kΩ or higher

E14-14 (II1-) - Body ground

Always

10 kΩ or higher

E14-18 (SLD1) - Body ground

Always

10 kΩ or higher


OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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