Chrysler 2005 Crossfire SRT6 Service Manual page 2420

9 - 496 ENGINE - ELECTRICAL DIAGNOSTICS
(P0480) COOLING FAN CONTROL CIRCUIT (CONTINUED)
2.
CHECK FOR CURRENT DTC
CAUTION: While monitoring engine coolant temperature with the
DRB III , do not allow the engine coolant temperature to rise
above 102°C (215°F) with the radiator fan control module discon-
nected.
Note: If the PCM detects and stores a DTC, the PCM also stores
the engine/vehicle operating conditions under which the DTC was
set. Some of these conditions are displayed on the DRB III at the
same time the DTC is displayed.
Note: Before erasing stored DTCs, record these conditions.
Attempting to duplicate these conditions may assist when check-
ing for an active DTC.
With the ignition on.
With the DRB III , erase PCM DTCs.
Note: It maybe necessary to road test the vehicle for this DTC to set.
With the DRB III , read PCM DTCs.
Did this DTC set again?
Yes >> Go To 3
No >> Go To 8
3.
FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN
Note: If an Engine Coolant Temperature (ECT) Sensor DTC has
been set, diagnose the Engine Coolant Temperature Sensor DTC
before continuing.
Turn the ignition off.
Disconnect the Radiator Fan Control Module.
Note: Check connectors — Clean/repair as necessary.
Turn the ignition on.
Measure the voltage of the Fused Ignition Switch Output circuit at the
Radiator Fan Control Module harness connector.
Is the voltage above 10 volts?
Yes >> Go To 4
No >> Repair the Fused Ignition Switch Output circuit for an
open.
Perform POWERTRAIN VERIFICATION TEST - VER 2.
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