Microphone Circuit Between Multi-Display and Navigation ECU

NAVIGATION: NAVIGATION SYSTEM (for DVD): Microphone Circuit between Multi-display and Navigation ECU
- Microphone Circuit between Multi-display and Navigation ECU

DESCRIPTION

This circuit sends a microphone signal from the multi-display to the navigation ECU.

WIRING DIAGRAM





INSEPCTION PROCEDURE

PROCEDURE

1. CHECK WIRE HARNESS (INSTRUMENT CLUSTER FINISH PANEL CENTER - NAVIGATION ECU)

(a) Disconnect the M6 panel connector.





(b) Disconnect the N7 ECU connector.

(c) Measure the resistance of the wire harness connectors.

Standard resistance:





NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR
OK -- Continue to next step.

2. INSPECT INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY CENTER

(a) Remove the instrument cluster finish panel center.





(b) Measure the resistance of the panel.

Standard resistance:





NG -- REPAIR OR REPLACE INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY CENTER

OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE