Navigation System (For Navigation Receiver Type) Parking Brake Switch Circuit
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK VEHICLE SIGNAL (OPERATION CHECK)
CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - PARKING BRAKE SWITCH ASSEMBLY)
INSPECT PARKING BRAKE SWITCH ASSEMBLY
NAVIGATION SYSTEM (for Navigation Receiver Type) - Parking Brake Switch Circuit |
DESCRIPTION
This circuit includes the parking brake switch assembly and navigation receiver assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
- HINT:
- When replacing the navigation receiver assembly, it is necessary to perform the vehicle contract setting for Connected Services (w/ Connected Services Function).
| 1.CHECK VEHICLE SIGNAL (OPERATION CHECK) |
Display the "Vehicle Signal Check Mode" screen (LandCruiser RM000003SKF0LEX.html).
Check that the display changes between ON and OFF according to the parking brake operation.
- OK:
Parking Brake Condition
| Display
|
Applied
| ON
|
Released
| OFF
|
- HINT:
- This display is updated once per second. As a result, it is normal for the display to lag behind the actual parking brake operation.
| 2.CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - PARKING BRAKE SWITCH ASSEMBLY) |
Disconnect the H56 navigation receiver assembly connector.
Disconnect the G77 parking brake switch assembly connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection
| Condition
| Specified Condition
|
H56-15 (PKB) - G77-1
| Always
| Below 1 Ω
|
H56-15 (PKB) - Body ground
| Always
| 10 kΩ or higher
|
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
| 3.INSPECT PARKING BRAKE SWITCH ASSEMBLY |
Remove the parking brake switch assembly (LandCruiser RM000003D75013X.html).
Inspect the parking brake switch assembly (LandCruiser RM000003D7300ZX.html).
