DTC Description
DTC DETECTION LOGIC
| DTC | CONSULT screen terms(Trouble diagnosis content) | DTC detection condition | ||
| P025B | 00 | FUEL PUMP MODULE A(Fuel Pump Module A Control Circuit Range/Performance) | Diagnosis condition | Engine cranking |
| Signal (terminal) | Fuel pump control module signal | |||
| Threshold | A signal voltage of the FPCM to the ECM is too low | |||
| Diagnosis delay time | - | |||
POSSIBLE CAUSE
- Harness or connectors
- FPCM circuit is open or shorted
- Fuel pump circuit is open or shorted
- FPCM
FAIL-SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
- PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
- Turn ignition switch OFF and wait at least 10 seconds.
- Turn ignition switch ON.
- Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:
- Before performing the following procedure, confirm that battery voltage is between 12 - 15 V at idle.
- Before performing the following procedure, check that the engine coolant temperature is -10°C (14°F) or more.
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GO TO 2.
- PERFORM DTC CONFIRMATION PROCEDURE
- Start engine and let it idle for at least 5 seconds. If engine does not start, crank engine for at least 5 seconds.
- Check DTC.
Is DTC P025B detected?
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Proceed to Diagnosis Procedure .
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To check malfunction symptom before repair: Refer to Intermittent Incident .
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Confirmation after repair: INSPECTION END