Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Test Notes

Enter this pinpoint test only when directed here.

This pinpoint test is intended to diagnose the following:
- Constant Control Relay Module (CCRM)
+ Power Relay
+ Fuel Pump Relay
+ Fan Control/Low Speed Fan Control Relay
+ High Speed Fan Control Relay
+ Wide Open Throttle (WOT) A/C Cutoff Relay
- Harness circuits: B+, FP, LFP, FPM, FC, LFC, HFC, ACCS, WAC. VPWR (TO CCRM), Power-to-A/C Clutch, Power-to-(Fuel) Pump, Power-to-(Low/High Speed) Fan
- Low speed fuel pump relay
- Powertrain control module