DTC B14C0: Front Right Seat Heat Sensor Circuit [10/2018 - ]: Procedure

1. Clear the DTCs.

   Body Electrical > Air Conditioner > Clear DTCs 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  2

1. Check for DTCs.

   Body Electrical > Air Conditioner > Trouble Codes 

   OK

   DTC B14C0 is not output.

   Result

   Result	Proceed to
   OK	A
   NG (for Standard Seat Type)	B
   NG (for Sports Seat Type)	C

Result: 

A 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2018 - ] 

Result: 

C 

See step  5

Result: 

B 

See step  3

1. Remove the front seat cushion heater assembly RH.

   Refer to REMOVAL [10/2018 - 07/2022] Refer to REMOVAL [07/2022 - ]

2. Inspect the front seat cushion heater assembly RH.

   Refer to INSPECTION [10/2018 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE FRONT SEAT CUSHION HEATER ASSEMBLY RH. Refer to  REMOVAL [10/2018 - 07/2022]  Refer to  REMOVAL [07/2022 - ] 

Result: 

OK 

See step  4

1. Disconnect the F49 air conditioning amplifier assembly connectors.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   F49-18 (TSR) - e5-4 (THR+)	Always	Below 1 Ω
   F49-18 (TSR) or e5-4 (THR+) - Body ground	Always	10 kΩ or higher
   F49-9 (SG-6) - e5-5 (THR-)	Always	Below 1 Ω
   F49-9 (SG-6) or e5-5 (THR-) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to  REMOVAL [10/2018 - 07/2022]  Refer to  REMOVAL [07/2022 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

1. Remove the front seat cushion heater (front seat cushion pad with cover RH).

   Refer to REMOVAL [10/2018 - 07/2022] Refer to REMOVAL [07/2022 - ]

2. Inspect the front seat cushion heater (front seat cushion pad with cover RH).

   Refer to INSPECTION [10/2018 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE FRONT SEAT CUSHION HEATER (FRONT SEAT CUSHION PAD WITH COVER RH). Refer to  REMOVAL [10/2018 - 07/2022]  Refer to  REMOVAL [07/2022 - ] 

Result: 

OK 

See step  6

1. Disconnect the F49 air conditioning amplifier assembly connectors.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   F49-18 (TSR) - e5-4 (THR+)	Always	Below 1 Ω
   F49-18 (TSR) or e5-4 (THR+) - Body ground	Always	10 kΩ or higher
   F49-9 (SG-6) - e5-5 (THR-)	Always	Below 1 Ω
   F49-9 (SG-6) or e5-5 (THR-) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to  REMOVAL [10/2018 - 07/2022]  Refer to  REMOVAL [07/2022 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR