DTC B1C62 (Ventilated Seat Control Unit)

DTC B1C62  : Passenger's heater current abnormal high

DTC (Ventilated Seat Control Unit)

NOTE: 

• If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A .
• The ventilated seat 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.

   DTC Description	DTC
   B1C62 Passenger's heater current abnormal high

   Is DTC B1C62 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

   -1. Clear the DTCs with the HDS.

   Clear DTCs

   -2. Turn the vehicle to the OFF (LOCK) mode.

   -3. Disconnect the following connector.

   Front passenger's seat heater connector A (6P)

   -4. Turn the vehicle to the ON mode.

   -5. Check for DTCs with the HDS.

   DTC Description	DTC
   B1C62 Passenger's heater current abnormal high

   Is DTC B1C62 indicated?

   YES 

   Go to step 3.

   NO 

   Go to step  4.

3. Shorted wire check (PS HT line)

   -1. Turn the vehicle to the OFF (LOCK) mode.

   -2. Disconnect the following connector.

   Ventilated seat control unit 14P connector

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

   Test condition	Vehicle OFF (LOCK) mode Ventilated seat control unit 14P connector: disconnected Front passenger's seat heater connector A (6P): disconnected
   Test point 1	Ventilated seat control unit 14P connector No. 3
   Test point 2	Body ground

   Is there continuity?

   YES 

   Repair a short in the PS HT wire.

   NO 

   Replace the ventilated seat control unit .

4. Shorted wire check (BACK HTR line)

   -1. Turn the vehicle to the OFF (LOCK) mode.

   -2. Disconnect the following connector.

   Front passenger's seat heater connector B (2P)

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

   Test condition	Vehicle OFF (LOCK) mode Front passenger's seat heater connector A (6P): disconnected Front passenger's seat heater connector B (2P): disconnected
   Test point 1	Front passenger's seat heater connector A (6P) (male terminals) No. 6:
   Test point 2	Body ground

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

   Is there continuity?

   YES 

   Repair a short in the BACK HTR wire.

   NO 

   Go to step 5.

5. DTC check 2

   -1. Clear the DTCs with the HDS.

   Clear DTCs

   -2. Turn the vehicle to the OFF (LOCK) mode.

   -3. Reconnect the following connector.

   Front passenger's seat heater connector A (6P)

   -4. Turn the vehicle to the ON mode.

   -5. Check for DTCs with the HDS.

   DTC Description	DTC
   B1C62 Passenger's heater current abnormal high

   Is DTC B1C62 indicated?

   YES 

   Replace the front passenger's seat cushion heater .

   NO 

   Replace the front passenger's seat-back heater .