Rear View Monitor System (For Navigation Receiver Type) Display Signal Circuit Between Navigation Receiver Assembly And Television Camera Assembly
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - REAR TELEVISION CAMERA ASSEMBLY)
CHECK NAVIGATION RECEIVER ASSEMBLY
CHECK NAVIGATION RECEIVER ASSEMBLY
CHECK REAR TELEVISION CAMERA ASSEMBLY
REAR VIEW MONITOR SYSTEM (for Navigation Receiver Type) - Display Signal Circuit between Navigation Receiver Assembly and Television Camera Assembly |
DESCRIPTION
This is the display signal circuit between the navigation receiver assembly and the rear television camera assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
1.CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - REAR TELEVISION CAMERA ASSEMBLY) |
Disconnect the G153 navigation receiver assembly connector.
Disconnect the M2 rear television camera assembly connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection
| Condition
| Specified Condition
|
G153-7 (CA+) - M2-4 (CB+)
| Always
| Below 1 Ω
|
G153-8 (V+) - M2-2 (CV+)
| Always
| Below 1 Ω
|
G153-15 (CGND) - M2-3 (CGND)
| Always
| Below 1 Ω
|
G153-16 (V-) - M2-1 (CV-)
| Always
| Below 1 Ω
|
G153-7 (CA+) - Body ground
| Always
| 10 kΩ or higher
|
G153-8 (V+) - Body ground
| Always
| 10 kΩ or higher
|
G153-15 (CGND) - Body ground
| Always
| 10 kΩ or higher
|
G153-16 (V-) - Body ground
| Always
| 10 kΩ or higher
|
| REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
2.CHECK NAVIGATION RECEIVER ASSEMBLY |
Disconnect the G153 navigation receiver assembly connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection
| Condition
| Specified Condition
|
G153-15 (CGND) - Body ground
| Always
| Below 1 Ω
|
G153-16 (V-) - Body ground
| Always
| Below 1 Ω
|
Text in Illustration*a
| Component without harness connected (Navigation Receiver Assembly)
|
3.CHECK NAVIGATION RECEIVER ASSEMBLY |
Disconnect the M2 rear television camera assembly connector.
Measure the voltage according to the value(s) in the table below.
- Standard Voltage:
Tester Connection
| Condition
| Specified Condition
|
M2-4 (CB+) - M4-3 (CGND)
| Ignition switch ON, shift lever in R
| 5.5 to 7.05 V
|
Text in Illustration*a
| Front view of wire harness connector (to Rear Television Camera Assembly)
|
4.CHECK REAR TELEVISION CAMERA ASSEMBLY |
Replace the rear television camera assembly with a new or normally functioning one (HILUX_TGN26 RM00000139200NX.html).