DTC U1100-00: Lin Communication System: Communication Error Between Engine Oil Level Sensor And Pcm: Outline
DTC U1100:00 (PCM, VINs 7, L, M) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
LIN communication system: Communication error between engine oil level sensor and PCM |
| Detection condition |
- With the following conditions continued for 1.5 s, a communication error between the PCM and engine oil level sensor is continued for 5 s or more.
Precondition
- Battery voltage: 10-16 V
- Ignition switched ON (engine off or on)
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| Fail-safe |
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| Possible cause |
- LIN communication line malfunction between engine oil level sensor and PCM
- Engine oil level sensor connector or terminals malfunction
- F10 15 A fuse malfunction
- Short to ground in engine oil level sensor power supply circuit
- Open circuit in engine oil level sensor power supply circuit
- PCM connector or terminals malfunction
- Engine oil level sensor malfunction
- PCM malfunction
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 Courtesy of MAZDA MOTORS CORP.
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