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jeep Workshop Repair Guides


Grand Cherokee 2WD V6-3.7L (2008)

Maintenance > Tune-up and Engine Performance Checks > Fuel Pressure > System Information > System Diagnosis > Fuel Delivery Check > Page 1829

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Remove the Fuel Pump Relay from the IPM.

Disconnect the Fuel Pump Module harness connector.

Measure the resistance of the (A109) Fuel Pump Relay Output circuit from the relay connector to the fuel pump module connector.

Is the resistance below 5.0 ohms?

Yes

-

Replace the Fuel Pump Relay.

-

Perform the POWERTRAIN VERIFICATION TEST.  See: Powertrain Management/Computers and Control Systems/Testing and
Inspection/Diagnostic Trouble Code Tests and Associated Procedures/Verification Tests/Powertrain Verification Test

No

-

Repair the open in the (A109) Fuel Pump Relay Output circuit.

-

Perform the POWERTRAIN VERIFICATION TEST.  See: Powertrain Management/Computers and Control Systems/Testing and
Inspection/Diagnostic Trouble Code Tests and Associated Procedures/Verification Tests/Powertrain Verification Test

Maintenance > Tune-up and Engine Performance Checks > Fuel Pressure > System Information > System Diagnosis > Fuel Delivery Check > Page 1829

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