DTC P0197-00: Engine Oil Temperature Sensor System: Low Input (H3T)
P0197: 00 (PCM (H3T)) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Engine oil temperature sensor system: Low input |
| Detection condition |
- The specified period of time has elapsed while the engine oil temperature sensor voltage is less than the standard.
Precondition
- Battery voltage: 8-20 V
|
| Fail-safe |
|
| Possible cause |
- Malfunction in wiring harness (including connector/terminal) between engine oil temperature sensor/engine oil pressure sensor and PCM (See CIRCUIT INSPECTION
.) (See CONNECTOR INSPECTION
.)
- Engine oil temperature sensor malfunction (Refer to [ENGINE OIL TEMPERATURE SENSOR INSPECTION
]
).
- PCM malfunction (Refer to [PCM REMOVAL/INSTALLATION
]
).
|
| Repeatability verification procedure |
- Clear the DTC recorded in the memory. (See CLEARING DTC
.)
- Perform the KOEO or KOER self test. (See DTC INSPECTION
.)
|
 Courtesy of MAZDA MOTORS CORP.
|
| 1 |
PCM |
| 2 |
Engine oil temperature sensor/engine oil pressure sensor |