DTC P025B-00: Fuel Pump Control Module System: Circuit Malfunction
WARNING: This page is about a different variant/trim than selected.
P025B-00: (PCM - VIN Y) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Fuel pump control module system: Circuit malfunction |
| Detection condition |
- Any one of the following conditions is met:
- PCM detects overheating in fuel pump control module.
- Output duty ratio signal received from PCM is in error.
- Temperature detection thermistor in fuel pump control module is malfunctioning.
- Output signal from fuel pump control module is erratic (noise overlap).
|
| Fail-safe |
- Stops fuel pump control. (If overheating is detected in fuel pump control module)
|
| Possible cause |
- Malfunction in wiring harness (including connector/terminal) between fuel pump control module and PCM (see CIRCUIT INSPECTION
.) (see CLEARING DTC
.)
- Fuel pump control module malfunction (Refer to applicable FUEL PUMP CONTROL MODULE INSPECTION (VIN Y)
in the service information.)
- PCM malfunction (Refer to applicable PCM REMOVAL/INSTALLATION (VIN Y)
in the service information.)
|
| 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 |
Fuel pump control module |