Navigation Voice Speaker Circuit

NAVIGATION: NAVIGATION SYSTEM: Navigation Voice Speaker Circuit

Navigation Voice Speaker Circuit

DESCRIPTION

This circuit is used when the voice guidance in the navigation system is on.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK WIRE HARNESS (MULTI-DISPLAY - NAVIGATION ECU)




(a) Disconnect the M14 display connector.
(b) Disconnect the N3 ECU connector.
(c) Measure the resistance of the wire harness side connectors.
Standard resistance:






NG -- PROCEED TO NEXT INSPECTION PROCEDURE SHOWN IN PROBLEM SYMPTOMS TABLE
OK -- Continue to next step.

2. CHECK WIRE HARNESS (MULTI-DISPLAY - STEREO COMPONENT AMPLIFIER)




(a) Disconnect the M14 display connector.
(b) Disconnect the S15 amplifier connector.
(c) Measure the resistance of the wire harness side connectors.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR
OK -- PROCEED TO NEXT INSPECTION PROCEDURE SHOWN IN PROBLEM SYMPTOMS TABLE