Dtc C1248/48 Open Circuit In Rear Differential Lock
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
INSPECT TRANSFER INDICATOR SWITCH (REAR DIFFERENTIAL LOCK)
CHECK WIRE HARNESS (TRANSFER INDICATOR SWITCH - SKID CONTROL ECU AND BODY GROUND)
DTC C1248/48 Open Circuit in Rear Differential Lock |
DESCRIPTION
DTC No.
| DTC Detection Condition
| Trouble Area
|
C1248/48
| With vehicle speed at 50 km/h (30 mph) or more, rear differential lock switch changes from OFF to ON for 3 seconds or more
| - Transfer indicator switch
- Skid control ECU
- Wire harness
|
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.INSPECT TRANSFER INDICATOR SWITCH (REAR DIFFERENTIAL LOCK) |
Measure the resistance of the switch.
- Standard resistance:
Tester Connection
| Switch Condition
| Specified Condition
|
1 - 2
| Pushed
| Below 1 Ω
|
1 - 2
| Not pushed
| 10 kΩ or higher
|
| | REPLACE TRANSFER INDICATOR SWITCH (REAR DIFFERENTIAL LOCK) |
|
|
| 2.CHECK WIRE HARNESS (TRANSFER INDICATOR SWITCH - SKID CONTROL ECU AND BODY GROUND) |
Disconnect the S2 ECU connector.
Disconnect the T29 switch connector.
Measure the resistance of the wire harness side connectors.
- Standard resistance:
Tester Connection
| Tester Connection
|
T29-2 - S2-22 (EXI2)
| Below 1 Ω
|
T29-2 - Body ground
| 10 kΩ or higher
|
T29-1 - Body ground
| Below 1 Ω
|
| | REPAIR OR REPLACE HARNESS AND CONNECTOR |
|
|
| OK |
|
|
|
| REPLACE BRAKE ACTUATOR ASSEMBLY |
|
