DTC B14C0: Front Right Seat Heat Sensor Circuit [10/2013 - ]: Procedure
WARNING: This page is about a different car, the 2014 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
- CLEAR DTC
- Clear the DTCs. Refer to DTC CHECK / CLEAR [10/2013 - ] .
NEXT: Go to next step
- CHECK FOR DTC
- Check for DTCs. Refer to DTC CHECK / CLEAR [10/2013 - ]
.
OK
DTC B14C0 is not output.
NG → See step 3
OK → See step 7
- Check for DTCs. Refer to DTC CHECK / CLEAR [10/2013 - ]
.
- INSPECT FRONT SEAT CUSHION HEATER ASSEMBLY RH
- Remove the front seat cushion heater assembly RH. Refer to REMOVAL [10/2013 - ] .
- Inspect the front seat cushion heater assembly RH. Refer to INSPECTION [10/2013 - ] .
NG → See step 8
OK: Go to next step
- CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER ASSEMBLY - SEAT HEATER CONTROL SUB-ASSEMBLY RH)
- Disconnect the D63 air conditioning amplifier assembly connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition D63-3 (TSR) - R11-2 Always Below 1 Ω D63-8 (SG-6) - R11-4 Always Below 1 Ω D63-3 (TSR) - Body ground Always 10 kΩ or higher D63-8 (SG-6) - Body ground Always 10 kΩ or higher
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: Go to next step
- REPLACE SEAT HEATER CONTROL SUB-ASSEMBLY RH
- Replace the seat heater control sub-assembly RH. Refer to DISASSEMBLY [10/2013 - ] .
NEXT: Go to next step
- CHECK FRONT SEAT HEATER OPERATION
- Check that the front seat heater. Refer to OPERATION CHECK [10/2013 - ]
.
OK
The front seat heater operates normally.
NG → See step 9
OK → END (SEAT HEATER CONTROL SUB-ASSEMBLY RH WAS DEFECTIVE)
- Check that the front seat heater. Refer to OPERATION CHECK [10/2013 - ]
.
- USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2013 - ]
- REPLACE FRONT SEAT CUSHION HEATER ASSEMBLY RH. Refer to REMOVAL [10/2013 - ]
- REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to REMOVAL [10/2013 - ]