Navigation System Radio Receiver Power Source Circuit
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
INSPECT FUSE (RAD NO. 3, ACC)
CHECK WIRE HARNESS (RADIO RECEIVER ASSEMBLY - BATTERY AND BODY GROUND)
NAVIGATION SYSTEM - Radio Receiver Power Source Circuit |
DESCRIPTION
This circuit provides the power to the radio receiver assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.INSPECT FUSE (RAD NO. 3, ACC) |
Remove the RAD NO. 3 fuse from the cowl side junction block LH.
Remove the ACC fuse from the cowl side junction block RH.
Measure the resistance of the fuses.
- Standard resistance:
- Below 1 Ω
| 2.CHECK WIRE HARNESS (RADIO RECEIVER ASSEMBLY - BATTERY AND BODY GROUND) |
Disconnect the L54 receiver connector.
Measure the voltage of the wire harness side connector.
- Standard voltage:
Tester Connection
| Condition
| Specified Condition
|
L54-1 (B) - Body ground
| Always
| 10 to 14 V
|
L54-11 (ACC) - Body ground
| Engine switch on (ACC)
| 10 to 14 V
|
Measure the resistance of the wire harness side connector.
- Standard resistance:
Tester Connection
| Condition
| Specified Condition
|
L54-20 (GND) - 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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