Operation CHARM: Car repair manuals for everyone.

XB113 - Check VCRM FP Circuit



- Key "OFF".

- Breakout box installed, Powertrain Control Module (PCM) disconnected.

- Reconnect Variable Control Relay Module (VCRM).

- Jumper test pin 22 to test pin 40 at the breakout box.

- Key "ON".

- Does the fuel pump run?

Yes -- Key "OFF". Remove jumper. Replace PCM. Remove breakout box. Reconnect all components. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)

No -- Key "OFF". Remove jumper. Replace VCRM. Remove breakout box. Reconnect all components. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)