DTC B1C63
DTC B1C63 : Passenger's Heater Current Abnormal Low
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A .
| DTC Description | DTC |
|---|---|
| B1C63 Passenger's heater current abnormal low |
DTC (Front Seat Heater Control Unit)
- Problem verification
-1. Clear the DTCs with the HDS.
-2. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.
-3. Turn the seat heater switch ON.
-4. Check for DTCs with the HDS.
DTC Description DTC B1C63 Passenger's heater current abnormal low Is DTC B1C63 indicated?
YES
Go to step 2.
NO
Intermittent failure, the system is OK at this time. Check for loose or poor connections.
- DTC check
-1. Turn the vehicle to the OFF (LOCK) mode.
-2. Disconnect the following connector.
Front passenger's seat heater connector A (4P) -3. Connect terminals A and B with a jumper wire.
Terminal A Front passenger's seat heater connector A (4P) (female terminals) No. 1: Terminal B Body ground -4. Turn the vehicle to the ON mode.
-5. Clear the DTCs with the HDS.
-6. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.
-7. Turn the seat heater switch ON.
-8. Check for DTCs with the HDS.
DTC Description DTC B1C63 Passenger's heater current abnormal low Is DTC B1C63 indicated?
YES
Repair an open or high resistance in the +B HEATER (AS) wire.
NO
Go to step 3.
- Seat heater check
-1. Test the passenger's seat heater .
Are the passenger's seat cushion heater and the passenger's seat-back heater OK?
YES
Replace the front seat heater control unit .
NO
Replace the front passenger's seat cushion heater and/or the front passenger's seat-back heater .