FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Test Notes

You should enter this Pinpoint Test only when directed here.

This Pinpoint Test is intended to diagnose the following:
- Harness circuits: VPWR, B(+), FC, HFC, LFC, IGN START/RUN, Power-to-Fan(s)
- Fan Control (FC) High Fan Control (HFC) and Low Fan Control (LFC) Relays
- Powertrain Control Module (PCM)


DESCRIPTION
For additional information on Cooling Fan Control, refer to Description and Operation / EEC-V Software and Hardware / EEC-V Hardware / PCM Related Outputs.