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:
NOTE:
Before doing this troubleshooting procedure, find out if the vehicle was
in a collision. If so, verify
that all the required components were replaced with new components of the
correct part number,
and that they were properly installed.
Before doing this troubleshooting procedure, rev
TPMS SYSTEM DESCRIPTION - CALIBRATION
A calibration process is required for the TPMS module to learn the peak tire
resonance values. The calibration procedure must be performed any time the tire
pressures are adjusted,
or when the tires are rotated or replaced. The TPMS calibration procedure is
i