Checking the wiring
- Ignition off
- Check the fuse for voltage feed to fuel pump/fuel pump module.
- Disconnect central electronic module (CEM) connector A.
Check central electronic module (CEM) connector A and the connectors for the fuel pump (FP). Check for contact resistance. Check for oxidation. Check for damaged or loose connections.
Check the cable. Check for an open-circuit. Check for a short-circuit to ground.
Take readings between:
- Central electronic module (CEM) terminal #A16 (16) and fuel pump/fuel pump control module.
Remedy as necessary.
Other information
- For further information about the fuses and relays, see the appropriate Wiring Diagram
- See Connecting the breakout box
- See Signal specification
- See Location of components
- See Checking wiring and terminals
- Continue
Refer to Verification