TEST ACTION APPLICABILITY
5 NOTE: Both Radiator Fan Relays must be removed from the PDC during the
following steps.
Turn the ignition off.
Disconnect the PCM harness connector.
CAUTION: DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING
THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMI-
NALS RESULTING IN POOR TERMINAL TO PIN CONNECTION. INSTALL
MILLER SPECIAL TOOL #8815 TO PERFORM DIAGNOSIS.
Measure the resistance of the Radiator Fan Relay #3 Control circuit from the PDC to
the appropriate terminal of special tool #8815.
Is the resistance below 5.0 ohms?
All
Yes → NOTE: Before continuing, check the PCM harness connector
terminals for corrosion, damage or terminal push out. Repair as
necessary. Replace and program the Powertrain Control Module
in accordance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER-5-NGC.
No → Repair the open in the Radiator Fan Relay Control circuit.
Perform POWERTRAIN VERIFICATION TEST VER-5-NGC.
183
DRIVEABILITY - NGC
P0481-COOLING FAN 2 CONTROL CIRCUIT (TURBO) — Continued
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