DTC : B1C61

DTC B1C61 : Driver'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 - Go to: Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A - Initial Communication and DTC Checks .
The front 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.

DTC Description	DTC
B1C61 Driver's heater current abnormal low

DTC (Front Seat Heater Control Unit)

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.

DTC Description	DTC
B1C61 Driver's heater current abnormal low

Is DTC B1C61 indicated?

YES

Go to step 2.

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.

Driver's seat heater connector A (6P)

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

Terminal A	Driver's seat heater connector A (6P) (male terminals) No. 4: (1)
Terminal B	Body ground

Courtesy of HONDA, U.S.A., INC.

- 4. Turn the vehicle to the ON mode.

- 5. Clear the DTCs with the HDS.

Clear DTCs

- 6. Check for DTCs with the HDS.

DTC Description	DTC
B1C61 Driver's heater current abnormal low

Is DTC B1C61 indicated?

YES

Repair an open or high resistance in the DR HT wire.

Go to step 3.

Seat heater check

-1. Measure the resistance between test points 1 and 2.

Test condition	Vehicle OFF (LOCK) mode Driver's seat heater connector A (6P): disconnected
Test point 1	Driver's seat heater connector A (6P) (female terminals) No. 4: (1)
Test point 2	Driver's seat heater connector A (6P) (female terminals) No. 1: (1)

Courtesy of HONDA, U.S.A., INC.

Is there more than 4.27 (with leather seat) or 4.59 (without leather seat) Ω (at 23 °C)?

YES

Replace the driver's Seat Cushion Heater or Seat Cushion Heater - Ventilated Seats .

Go to step 4.

Open wire check (BACK HTR line)

-1. Disconnect the following connector.

Driver's seat heater connector B (2P)

- 2. Connect terminals A and B with a jumper wire.

Terminal A	Driver's seat heater connector A (6P) (male terminals) No. 6: (1)
Terminal B	Body ground

Courtesy of HONDA, U.S.A., INC.

- 3. Check for continuity between test points 1 and 2.

Test condition	Vehicle OFF (LOCK) mode Driver's seat heater connector B (2P): disconnected
Test point 1	Driver's seat heater connector B (2P) (male terminals) No. 1: (1)
Test point 2	Body ground

Courtesy of HONDA, U.S.A., INC.

Is there continuity?

YES

Replace the driver's Seat-Back Heater or Seat-Back Heater - Ventilated Seats .

Repair an open or high resistance in the BACK HTR wire.