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G552807t16 : CHECK THE FUEL PUMP MODULE RELAY CONTROL CIRCUIT 1. Key off. 2. Measure the resistance between: Fuel pump module relay base Battery
Pin 01
Negative terminal
Is the resistance greater than 100 Kohms? -> Yes GO to Pinpoint Test G552807t17.
-> No REPAIR the short circuit. For additional information, refer to the wiring diagrams. Clear any DTCs, test the system for normal operation. G552807t17 : CHECK THE FUEL PUMP MODULE RELAY CONTROL CIRCUIT 1. Measure the resistance between: Fuel pump module relay base Battery
Pin 01
Positive terminal
Is the resistance greater than 100 Kohms? -> Yes GO to Pinpoint Test G552807t18.
-> No REPAIR the short circuit. For additional information, refer to the wiring diagrams. Clear any DTCs, test the system for normal operation. G552807t18 : CHECK THE FUEL PUMP MODULE RELAY CONTROL CIRCUIT 1. Disconnect the ECM connector, EC66. 2. Measure the resistance between: Fuel pump module relay base EC66, harness side |