Navigation System Multi-Display Power Source Circuit
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
INSPECT FUSE (TV, ACC, ECU-IG RH)
CHECK WIRE HARNESS (MULTI-DISPLAY - BATTERY AND BODY GROUND)
NAVIGATION SYSTEM - Multi-display Power Source Circuit |
DESCRIPTION
This circuit provides power to the multi-display.
WIRING DIAGRAM
The wiring diagram is shown below.
INSPECTION PROCEDURE
| 1.INSPECT FUSE (TV, ACC, ECU-IG RH) |
Remove the TV fuse from the cowl side junction block LH.
Remove the ACC and ECU-IG RH fuses from the cowl side junction block RH.
Measure the resistance of the fuses.
- Standard resistance:
- Below 1 Ω
| 2.CHECK WIRE HARNESS (MULTI-DISPLAY - BATTERY AND BODY GROUND) |
Disconnect the L46 and L47 multi-display connectors.
Measure the voltage of the wire harness side connector.
- Standard voltage:
Tester Connection
| Condition
| Specified Condition
|
L46-1 (+B1) - Body ground
| Always
| 10 to 14 V
|
L46-2 (ACC) - Body ground
| Engine switch on (ACC)
| 10 to 14 V
|
L46-3 (IG) - Body ground
| Engine switch on (IG)
| 10 to 14 V
|
Measure the resistance of the wire harness side connectors.
- Standard resistance:
Tester Connection
| Condition
| Specified Condition
|
L47-12 (SGND) - Body ground
| Always
| Below 1 Ω
|
L46-10 (GND1) - Body ground
| Always
| Below 1 Ω
|
L47-12 (SNSE) - Body ground
| Always
| Below 1 Ω
|
| | REPAIR OR REPLACE HARNESS AND CONNECTOR |
|
|
| OK |
|
|
|
| PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE |
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