Test Notes

NOTE: You should enter this Pinpoint Test only when directed here.

REMEMBER
This Pinpoint Test is intended to diagnose the following:
- Harness circuits: VPWR, GND and B(+) to FPDM Power Supply Relay in CORM; B(+) and GND to FPDM; FPM; FP; Power-To-Pump; Fuel Pump Ground
- Inertia Fuel Shutoff (IFS) Switch
- Fuel Pump Driver Module (FPDM)
- Constant Control Relay Module (CCRM) (FPDM Power Supply Relay/Circuits)
- Powertrain Control Module (PCM)

DESCRIPTION
For additional information on the Fuel Pump Driver Module, refer to Description and Operation / EEC-V Software and Hardware / Additional System Related Hardware.


For additional information on the Fuel Pump (FP) circuit, refer to Description and Operation / EEC-V Software and Hardware / PCM Related Outputs.

For additional information on the Fuel Pump Monitor (FPM) circuit, refer to Description and Operation / EEC-V Software and Hardware / PCM Related Inputs.