Honda HR-V: DTC B1C61, B1C63

NOTE : Refer to the DTC code shown on the display, and then inspect the connectors and terminals based on the instructions in the table below.

DTC (Front Seat Heater Control Unit)

NOTE :

• If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A - Refer to: Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A - Initial Communication and DTC Checks.
• The seat heater control unit does not turn on the seat heater until the seat core temperature is 85 degrees or less. Make sure the seat core temperature is below 85 degrees before troubleshooting.

1. Problem verification:

1. Clear the DTCs with the HDS.

Clear DTCs

2. Turn the vehicle to the OFF (LOCK) mode and then the ON mode.
3. Check for DTCs with the HDS.

Is DTC B1C61 or B1C63 indicated?

YES

Go to step 2.

NO

Intermittent failure, the system is OK at this time. Check for loose or poor connections.

2. DTC check:

1. Turn the vehicle to the OFF (LOCK) mode.
2. Disconnect the following connectors.

Driver's seat cushion heater connector A (4P)Front passenger's seat cushion heater connector A (4P)

3. Connect terminals A and B with a jumper wire.

4. Turn the vehicle to the ON mode.
5. Clear the DTCs with the HDS.

Clear DTCs

6. Check for DTCs with the HDS.

Is DTC B1C61 or B1C63 indicated?

YES

Repair an open or high resistance in the wire.

NO

Go to step 3.

3. Seat heater check:

1. Turn the vehicle to the OFF (LOCK) mode.
2. Disconnect the following connectors.

Driver's seat-back heater 2P connector

Front passenger's seat-back heater 2P connector

3. Check for continuity between the terminals as specified in the table while in the vehicle OFF (LOCK) mode.

Is there 6.48 Ω Â+- 10 % (73ºF (23ºC) ) (Type 1) or 7.12 Ω Â+- 10 % (73ºF (23ºC) ) (Type 2)?

YES

Replace the driver's seat cushion heater or front passenger's seat cushion heater.

NO

Replace the driver's seat-back heater or front passenger's seat-back heater.

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