Check fuel pump relay
WARNING: This page is about a different variant/trim than selected.
- Check fuel pump relay fuse (20A).
- IG "OFF". Disconnect rear smart junction box connector.
- Measure resistance between battery power supply and power supply to fuel pump control module terminals of rear smart junction box. (Measurement "A")
- Measure resistance between battery power supply and fuel pump relay control terminals of rear smart junction box. (Measurement "B")
Specification:
Terminal Continuity Battery power supply - Power supply to fuel pump control module No Battery power supply - Fuel pump relay control Yes (Approx. 70Ω ~ 120Ω) - Does the Fuel Pump Relay work normally? (Check clicking sound)
YES
- Substitute with a known - good ECM and check for proper operation. If the problem is corrected, replace ECM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Substitute with a known - good rear smart junction box and check for proper operation. If the problem is corrected, replace rear smart junction box and go to "VERIFICATION OF VEHICLE REPAIR " procedure.