Toyota 4Runner manuals

Toyota 4Runner: Navigation Voice Circuit

DESCRIPTION

This circuit is used when the voice guidance in the navigation system is on or an incoming cellular phone voice in the "Bluetooth" hands-free system is heard.

Using this circuit, the navigation receiver assembly sends the 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 G5 navigation receiver assembly connector.

(b) Disconnect the N11 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

G5-2 (RL+) - N11-15 (II1+)

Always

Below 1 Ω

G5-6 (RL-) - N11-14 (II1-)

Always

Below 1 Ω

N11-18 (SLD1) - Body ground

Always

10 kΩ or higher

N11-14 (II1-) - Body ground

Always

10 kΩ or higher

N11-15 (II1+) - 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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