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Test Description

The numbers below refer to step numbers in diagnostic procedures.

1

System Check must be performed before proceeding with diagnostic procedures. Failure to perform System Check will result in misdiagnosis.

3

The scan tool will command PCM to turn ON fuel pump and AF ECM to turn OFF AF fuel pump relay.

4

Fuel pump prime terminal is located in underhood fuse block.

5

Lock-off solenoid relay is controlled by PCM Fuel Pump Relay Control circuit.