DTC P18A2-00: Coupling Component Temperature Sensor: Low Input
P18A2-00: (PCM - SKYACTIV-G) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Coupling component temperature sensor: Low input |
| Detection condition |
- PCM detects a short to ground in the coupling temperature sensor circuit.
|
| Fail-safe |
- The i-ACTIV AWD system control is temporarily stopped. (AWD protection condition)
|
| Possible cause |
- Coupling temperature sensor malfunction (Refer to COUPLING COMPONENT TEMPERATURE SENSOR INSPECTION
in service information.)
- Malfunction in wiring harness (including connector/terminal) between coupling temperature sensor and electrical supply unit (ESU) (See
CIRCUIT INSPECTION
.) (See
CONNECTOR INSPECTION
.)
- Electrical supply unit (ESU) malfunction (Refer to ELECTRICAL SUPPLY UNIT (ESU) REMOVAL/INSTALLATION
in service information.)
- PCM malfunction (Refer to PCM REMOVAL/INSTALLATION [SKYACTIV-G (WITH CYLINDER DEACTIVATION)]
in service information.)
|
| Repeatability verification procedure |
- Clear the DTC recorded in the memory. (See
CLEARING DTC
.)
- Ignition is switched ON (engine off).
|
 Courtesy of MAZDA MOTORS CORP.
|
| 1 |
Electrical supply unit (ESU) |
| 2 |
Coupling component temperature sensor (coupling component) |