DTC B14C0: Front Right Seat Heat Sensor Circuit [06/2017 - ]: Procedure

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [06/2017 - ]

   Body Electrical > Air Conditioner > Clear DTCs 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  2

1. Check for DTCs.

   Refer to DTC CHECK / CLEAR [06/2017 - ]

   Body Electrical > Air Conditioner > Trouble Codes 

   OK

   DTC B14C0 is not output.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [06/2017 - 08/2018]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2018 - 09/2019]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2019 - 03/2020]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [03/2020 - 10/2020]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2020 - 08/2021]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2021 - ] 

Result: 

NG 

See step  3

1. Disconnect the a11 front seat cushion heater assembly RH connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   a11-4 (THL) - a11-5 (PL)	Seat heater temperature 23°C (73°F)	4.1 to 5.0 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE FRONT SEAT CUSHION HEATER ASSEMBLY RH 

for Manual Seat: Refer to REMOVAL [06/2017 - 10/2020] , or refer to REMOVAL [10/2020 - ]

for Power Seat: Refer to REMOVAL [06/2017 - 10/2020] , or refer to REMOVAL [10/2020 - ]

Result: 

OK 

See step  4

1. Disconnect the a11 front seat cushion heater assembly RH connector.
2. Disconnect the K56 air conditioning amplifier assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   K56-18 (TSR) - a11-4 (THL)	Always	Below 1 Ω
   K56-18 (TSR) or a11-4 (THL) - Body ground	Always	10 kΩ or higher
   K56-9 (SG-6) - a11-5 (PL)	Always	Below 1 Ω
   K56-9 (SG-6) or a11-5 (PL) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to  REMOVAL [06/2017 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR