Navigation System Microphone Circuit Between Multi-Display And Navigation Ecu
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY - NAVIGATION ECU)
NAVIGATION SYSTEM - 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
INSPECTION PROCEDURE
| 1.CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY - NAVIGATION ECU) |
Disconnect the multi-display connector p1 and navigation ECU connector p3.
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester connection
| Condition
| Specified condition
|
MCO+ - MIC+
| Always
| Below 1 Ω
|
MCO- - MIC-
| Always
| Below 1 Ω
|
MCO+ - Body ground
| Always
| 10 kΩ or higher
|
MCO- - Body ground
| Always
| 10 kΩ or higher
|
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
| OK |
|
|
|
| PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE |
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