Fuel Pump Control Unit: Service and Repair

Fuel Pump (FP) Control Module J538, Removing And Installing

Removing

CAUTION:
- To lower, fuel tank must be empty for weight reasons. Drain fuel tank if necessary.
- Observe procedures for disconnecting battery.

- Push cover over battery toward right - arrow 1 - and remove it upward - arrow 2 -.

- With ignition switched off, disconnect Battery Ground (GND) strap - arrow -.

- Open tank flap and clean area around fuel filler tube.

NOTE: Do not remove fuel cap.

- Pry tensioning ring - arrow - out from rubber cup and press rubber cup through toward inside.

- Remove right rear wheel.
- Remove right rear wheel housing liner Body Exterior -.
- Unfasten bolts -1- for fuel filler tube.

NOTE: Ignore - Pos. 2 -.

- Remove right rear cover -1- on bottom of vehicle floor.

CAUTION: For weight reasons, fuel tank must be empty when lowering.

- Loosen bolts - 1 through 5 -, -9- and -10- a maximum of eight turns.
- Remove bolts -6-, -7- and -8-.

- Remove rear seat bench.
- Unbolt cover for right locking flange - arrows -.

- Disconnect electrical harness connector - arrow - at locking flange.

- Remove bolts - arrows -.
- Remove Fuel Pump (FP) Control Module J538 between fuel tank and vehicle floor.

Installing
Installation is in reverse order of removal. Note the following:
- Fasten mounting straps and carrier plate - 1 through 10 -.

- Fasten fuel filler tube with Ground (GND) connection using bolt -1-.

CAUTION: After installing, check electrical connection of metal ring at fuel filler tube to a blank portion of chassis using Ohm meter:

Specification: approx. 0 Ohm.

NOTE: Ignore - Pos. 2 -.

- Install right rear wheel housing liner Body Exterior -.
- Install rear seat bench Body Interior -.
- Connect battery. Observe safety precautions after connecting battery.

Torque specifications

Component Nm
Mounting straps and carrier
plate for fuel tank to body 23
Fuel filler tube to wheel housing 23
Fuel Pump (FP) Control Module J538 to body 2.5