Chrysler 2005 Crossfire SRT6 Service Manual page 553

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*RADIATOR COOLING FAN ALWAYS ON (CONTINUED)
3.
CHECKING THE RADIATOR FAN CONTROL CIRCUIT
Turn the ignition off.
Disconnect the Powertrain Control Module (PCM) C4 harness connec-
tor.
Note: Check connectors — Clean/repair as necessary.
Measure the resistance between ground and the Radiator Fan Control
circuit.
Is the resistance above 100 kohms?
Yes >> Go to 4
No >> Repair the Radiator Fan Control circuit for a short to
ground.
Perform POWERTRAIN VERIFICATION TEST - VER 3.
4.
CHECKING THE POWERTRAIN CONTROL MODULE
With the ignition off.
Reconnect the PCM C4 harness connector.
Measure the resistance between ground and the Radiator Fan Control
circuit at the Radiator Fan Control Module harness connector.
Is the resistance above 100 kohms?
Yes >> Replace the Radiator Fan Control Module. (Refer to 7 -
COOLING/ENGINE/PWM FAN CONTROL MODULE -
REMOVAL)
Perform POWERTRAIN VERIFICATION TEST - VER 3.
No >> Replace the Powertrain Control Module. (Refer to 8 -
ELECTRICAL/ELECTRONIC CONTROL MODULES/POW-
ERTRAIN CONTROL MODULE - REMOVAL)
Perform POWERTRAIN VERIFICATION TEST - VER 3.
COOLING - ELECTRICAL DIAGNOSTICS 7 - 9