Brad's Car Manuals: A 3rd party mirror of CHARM + LEMON car manuals
Home >> Infiniti >> 2003 >> Q45 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P1220: Fuel Pump Control Module >> DTC Confirmation Test

DTC Confirmation Test

Download the full database via torrent (~1.1 TB)  |  Download Brad's custom LEMON patches
NOTE: Before proceeding, ensure battery voltage is more than 10 volts with ignition on.

Turn ignition on. Select DATA MONITOR with scan tool. Ensure COOLAN TEMP/S reading on scan tool is less than 158°F (70°C). Start engine. Maintain the following conditions for 12 seconds:

If 1st trip DTC is detected, go to DIAGNOSTIC PROCEDURE  . If 1st trip DTC is not detected, system is okay at this time.