DTC Description
DTC DETECTION LOGIC
| DTC No. | Trouble diagnosis name (Trouble diagnosis content) | DTC detection condition | ||
|---|---|---|---|---|
| P1220 | 00 | FPCM/CIRCUIT (Fuel pump control module) | 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
- 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 detected?
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Go to Diagnosis Procedure .
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INSPECTION END