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

Test Notes

Enter this pinpoint test only when directed here.

This pinpoint test is intended to diagnose the following:
- Harness Circuits: VPWR, B+, HFC, LFC, IGN START/RUN, FAN(s) PWR
- High Speed Fan Control (HFC) and Low Speed Fan Control (LFC) Relays
- Powertrain control module