DESCRIPTION Output to the
front seat cushion heater temperature sensor stops if one of the
following occurs: 1) the temperature sensor is open or shorted; or 2)
the temperature sensor is damaged and its output value does not change. |
DTC No. | Detection Item |
DTC Detection Condition | Trouble Area | |
B14C0 | Front Right Seat Heat Sensor Circuit |
Seat heater temperature sensor malfunction |
- Air conditioning amplifier assembly
- Front seat cushion heater assembly RH
- Wire harness or connector
| WIRING DIAGRAM
 PROCEDURE
(a) Clear the DTCs. Click here
 Body Electrical > Air Conditioner > Clear DTCs
|
NEXT |
 | |
(a) Check for DTCs.
Click here Body Electrical > Air Conditioner > Trouble Codes
OK: DTC B14C0 is not output.
| OK |
 | USE SIMULATION METHOD TO CHECK |
|
NG | |
| |
| 3. |
INSPECT FRONT SEAT CUSHION HEATER ASSEMBLY RH |
(a) Disconnect the R6 front seat cushion heater assembly RH connector.
| (b) Measure the resistance according to the value(s) in the table below.
Standard Resistance: |
Tester Connection | Condition |
Specified Condition | |
R6-4 (THR) - R6-5 (PR) |
Seat heater temperature 25°C (77°F) |
9.5 to 10.5 kΩ | |
 |
|
*a | Component without harness connected
(Front Seat Cushion Heater Assembly RH) | | |
| NG |
| REPLACE FRONT SEAT CUSHION HEATER ASSEMBLY RH |
|
OK | |
| |
| 4. |
CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER ASSEMBLY - FRONT SEAT CUSHION HEATER ASSEMBLY RH) |
(a) Disconnect the G37 air conditioning amplifier assembly connector. (b) Measure the resistance according to the value(s) in the table below.
Standard Resistance: |
Tester Connection | Condition |
Specified Condition | |
G37-18 (TSR) - R6-4 (THR) |
Always | Below 1 Ω | |
G37-18 (TSR) or R6-4 (THR) - Body ground |
Always | 10 kΩ or higher | |
G37-9 (SG-6) - R6-5 (PR) |
Always | Below 1 Ω | |
G37-9 (SG-6) or R6-5 (PR) - Body ground |
Always | 10 kΩ or higher |
| OK |
| REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY |
| NG |
| REPAIR OR REPLACE HARNESS OR CONNECTOR | | 
