Honda HR-V: DTC B1C55, B1C57
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.
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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:
- Clear the DTCs with the HDS.
Clear DTCs
- Turn the vehicle to the OFF (LOCK) mode and then the ON mode.
- Wait for at least 90 seconds.
- Check for DTCs with the HDS.
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Is DTC B1C55 or B1C57 indicated?
YES
Go to step 2.
NO
Intermittent failure, the system is OK at this time. Check for loose or poor
connections.
2. Seat heater check 1:
- Turn the vehicle to the OFF (LOCK) mode.
- Disconnect the following connector.
Front seat heater control unit 14P connector
- Check for continuity between the terminals as specified in the table
while in the vehicle OFF (LOCK)
mode.
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Is resistance value within the range?
YES
Replace the front seat heater control unit.
NO
Go to step 3.
3. Seat heater check 2:
- Disconnect the following connectors.
Driver's seat cushion heater connector A (4P)
Front passenger's seat cushion heater connector A (4P)
- Check for continuity between the terminals as specified in the table
while in the vehicle OFF (LOCK)
mode.
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Is resistance value within the range?
YES
Replace the front seat heater control unit.
NO
Go to step 4.
4. Open wire check (FR DR H/SEAT TH+, FR AS H/SEAT TH+ line):
- Connect terminals A and B with a jumper wire.
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- Disconnect the following connector.
Front seat heater control unit connector (14P)
- Check for continuity between the terminals as specified in the table
while in the vehicle OFF (LOCK)
mode.
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Is there continuity?
YES
Repair an open or high resistance in the FR DR H/SEAT TH- or FR AS H/SEAT TH-
wire.
NO
Repair an open or high resistance in the FR DR H/SEAT TH+ or FR AS H/SEAT TH+
wire.
READ NEXT:
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 ar
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 ar
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 ar
SEE MORE:
"P"
PAIR
Pulsed Secondary Air Injection
PAIR-ABV
PAIR Anti-Backfire Valve
PAIR-ACOV
PAIR Air Cut-Off Valve
PAIR-ACS
PAIR Air Control Solenoid
PAIR-ACV
PAIR Air Control Valve
PAIR-AIV
PAIR Air Injection Valve
PAIR-ASCS
PAIR Air Suction Control Solenoid
PAIR-ASOV
PAIR Air Shutoff Valve
PAIR-ASS
PAIR A
Removal & Installation
1. Rear Wiper Motor - Remove
2. Rear License Trim - Remove
3. Tailgate Outer Handle Switch - Remove
Disconnect the connector (A)
Remove the tailgate outer handle switch (B).
4. All Removed Parts - Install
Install the parts in the reverse order of removal.
Test
1. T