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Home >> Infiniti >> 2005 >> Q45 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1211 To P2138 >> DTC P1220: Fuel Pump Control Module (FPCM) >> DIAGNOSTIC TROUBLE CODES Confirmation Procedure >> Notes
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DIAGNOSTIC TROUBLE CODES Confirmation Procedure: Notes

CAUTION: Always drive vehicle at a safe speed.
NOTE: If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

TESTING CONDITION: 

Before performing the following procedure, confirm that battery voltage is more than 10V with ignition switch ON.