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 |
|
WIRING DIAGRAM
PROCEDURE
1. | CLEAR DTC |
(a) Clear the DTCs.
Click here
|
2. | CHECK FOR DTC |
(a) Check for DTCs.
Click here
OK:
DTC B14C0 is not output.
Result | Proceed to |
---|---|
OK | A |
NG (for Standard Seat Type) | B |
NG (for Sports Seat Type) | C |
A | ![]() | USE SIMULATION METHOD TO CHECK |
C | ![]() | GO TO STEP 5 |
|
3. | INSPECT FRONT SEAT CUSHION HEATER RH (SEAT HEATER ASSEMBLY) |
(a) Remove the front seat cushion heater RH (seat heater assembly).
Click here
(b) Inspect the front seat cushion heater RH (seat heater assembly).
Click here
NG | ![]() | REPLACE FRONT SEAT CUSHION HEATER RH (SEAT HEATER ASSEMBLY) |
|
4. | CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER ASSEMBLY - FRONT SEAT CUSHION HEATER RH (SEAT HEATER ASSEMBLY)) |
(a) Disconnect the J48 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 |
---|---|---|
J48-18 (TSR) - b6-6 (THR) | Always | Below 1 Ω |
J48-18 (TSR) or b6-6 (THR) - Body ground | Always | 10 kΩ or higher |
J48-9 (SG-6) - b6-4 (PR) | Always | Below 1 Ω |
J48-9 (SG-6) or b6-4 (PR) - Body ground | Always | 10 kΩ or higher |
OK | ![]() | REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR |
5. | INSPECT FRONT SEAT CUSHION HEATER (FRONT SEAT CUSHION PAD WITH COVER RH) |
(a) Remove the front seat cushion heater (front seat cushion pad with cover RH).
Click here
(b) Inspect the front seat cushion heater (front seat cushion pad with cover RH).
Click here
NG | ![]() | REPLACE FRONT SEAT CUSHION HEATER (FRONT SEAT CUSHION PAD WITH COVER RH) |
|
6. | CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER ASSEMBLY - FRONT SEAT CUSHION HEATER (FRONT SEAT CUSHION PAD WITH COVER RH)) |
(a) Disconnect the J48 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 |
---|---|---|
J48-18 (TSR) - b6-6 (THR) | Always | Below 1 Ω |
J48-18 (TSR) or b6-6 (THR) - Body ground | Always | 10 kΩ or higher |
J48-9 (SG-6) - b6-4 (PR) | Always | Below 1 Ω |
J48-9 (SG-6) or b6-4 (PR) - Body ground | Always | 10 kΩ or higher |
OK | ![]() | REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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