daewoo Workshop Repair Guides

Daewoo Workshop Service and Repair Manuals

Relays and Modules - Restraint Systems > < Fuel Pump Relay|Testing and Inspection|Page 129
Page 3
background image

Steps 10 - 13

Test Description

The number(s) below refer to step(s) on the diagnostic table.

3. This step checks for the PCM/ECM providing a ground for the operation of the fuel pump relay.
7. By confirming that the wiring is OK using steps 2 through 6, it can be determined that the fuel pump relay is at fault.
9. After determining that there is no ground being provided by the PCM/ECM to the fuel pump relay, the fault is either the PCM/ECM or the wiring

between the PCM/ECM and the fuel pump relay.

Relays and Modules - Restraint Systems > < Fuel Pump Relay|Testing and Inspection|Page 129