DTC B14C1: Front Left Seat Heat Sensor Circuit [12/2019 - 11/2023]: 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 B14C1 is not output.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - ] 

Result: 

NG 

See step  3

for Manual Seat: Refer to INSPECTION [12/2019 - ]

for Power Seat: Refer to INSPECTION [12/2019 - ]

Result

Result: 

NG 

REPLACE FRONT SEAT CUSHION HEATER ASSEMBLY LH 

for Manual Seat: Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

for Power Seat: Refer to REMOVAL [12/2019 - 10/2021] , or refer to REMOVAL [10/2021 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]

Result: 

OK 

See step  4

1. Disconnect the H65 air conditioning amplifier assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H65-13 (TSL) - e19-4	Always	Below 1 Ω
   H65-13 (TSL) or e19-4 - Body ground	Always	10 kΩ or higher
   H65-3 (SG-7) - e19-5	Always	Below 1 Ω
   H65-3 (SG-7) or e19-5 - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY. Refer to  REMOVAL [12/2019 - 10/2022]  , or refer to  REMOVAL [10/2022 - 11/2023] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR