Fuel Pump Relay

WARNING: This page is about a different car, the 1997 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.

The Powertrain Control Module (PCM) controls fuel pump relay operation by controlling fuel pump relay ground circuit. PCM opens ground circuit when ignition is off, and completes ground circuit when ignition is on, to provide fuel pump operation. When ignition is first turned on, fuel pump will operate for approximately one second unless engine is running, or starter is engaged and engine is cranking. If engine cranking signal is not received, PCM will de-energize fuel pump relay.

Fuel pump relay receives battery voltage from fuse, located in power distribution center. Fuel pump relay is located in power distribution center. See Fig 1 and Fig 2 . Power distribution center is located at driver's side front corner of engine compartment.

If fuel pump relay or control circuit becomes defective, a Diagnostic Trouble Code (DTC) may be stored in the PCM. See TESTS W/CODES - 2.5L article. For additional information on diagnosis for fuel pump relay and control circuit, see appropriate NO START (NS) TEST in the TESTS W/CODES - 2.5L article.

Fig 1: Power Distribution Center & Relays

Courtesy of CHRYSLER CORP.

Fig 2: Identifying Junction Block & Fuel Pump Fuse Dakota

Courtesy of CHRYSLER CORP.