Operation CHARM: Car repair manuals for everyone.
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FA3 - Check For Short(s)



^ Key Off.

^ Disconnect the fuel pump relay.

^ Disconnect the Powertrain Control Module (PCM).

^ Disconnect the fuel pump connector at the fuel pump assembly.

^ Measure the resistance between the LG and W/Y wires at the fuel pump relay connector and ground.

^ Are the resistances greater than 10,000 ohms?

NOTE: Check inertia fuel shutoff switch for "tipped" condition. Reset if tripped.

YES -- Go to FA4. FA4 - Check Power Supply to Fuel Pump Relay

NO -- Service the wire(s) in question for short.