With Coolant Control Valve
DTC P025D:00 DETECTION CONDITION AND POSSIBLE CAUSE
| DTC P025D:00 |
Fuel pump control module result of on-board diagnostic test high input |
| DETECTION CONDITION |
- Result of on-board test cannot be received from fuel pump control module (voltage is too high).
Diagnostic support note
- This is a continuous monitor (CCM).
- The check engine light does not illuminate.
- FREEZE FRAME DATA is not available.
- Snapshot data is available.
- DTC is stored in the PCM memory.
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| FAIL-SAFE FUNCTION |
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| POSSIBLE CAUSE |
- Fuel pump control module connector or terminals malfunction
- PCM connector or terminals malfunction
- Short to power supply in wiring harness between fuel pump control module terminal 1A and PCM terminal 2AX
- Open circuit in wiring harness between fuel pump control module terminal 1A and PCM terminal 2AX
- Fuel pump control module malfunction
- Short to ground in wiring harness between fuel pump relay terminal C and fuel pump control module terminal 2A
- Short to power supply in wiring harness between fuel pump relay terminal C and fuel pump control module terminal 2A
- Open circuit in wiring harness between fuel pump relay terminal C and fuel pump control module terminal 2A
- Fuel pump relay malfunction
- Short to ground or open circuit in F power supply circuit:
- Short to ground in wiring harness between battery positive terminal and fuel pump relay terminal D
- MAIN 200 A fuse and/or FUEL PUMP 15 A fuse malfunction
- Open circuit in wiring harness between battery positive terminal and fuel pump relay terminal D
- PCM malfunction
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 Courtesy of MAZDA MOTORS CORP.
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