FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

X95 - Check PCM Ability to Monitor FPM



- Key "OFF".

- Reconnect Constant Control Relay Module (CCRM).

- Inertia Fuel Shutoff switch disconnected.

- Rerun Key On Engine Off (KOEO) Self-Test. Quick Test Appendix (Detailed Testing Instructions)

- Is KOEO Diagnostic Trouble Code (DTC) 542 present?

Yes -- Replace CCRM. Reconnect Inertia Fuel Shutoff switch. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)

No -- Replace Powertrain Control Module (PCM). Reconnect Inertia Fuel Shutoff switch. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)