Dakota Quad Cab 2WD V8-5.9L VIN Z LDC (2002)
Radiator Cooling Fan Motor: Testing and Inspection
ELECTRIC COOLING FAN
The Powertrain Control Module (PCM) will set a Diagnostic Trouble Code (DTC) in memory if it detects a problem in the electric cooling fan , relay
or circuit.
The DTC can also be accessed through the DRB scan tool.
RADIATOR FAN MOTOR INOPERATIVE
Equipment Required:
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DRB Scan Tool
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Volt/Ohm meter
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Wiring Diagrams
Test Procedure:
1. Inspect 10A fuse in junction block and 40A maxi fuse in PDC.
2. Remove Cooling Fan Relay from the PDC and make the following checks at the relay connector:
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Apply 12 volts (using a fused 14-gauge wire) to circuit C25 (relay terminal 87). If fan does not come on, check for open in circuit C25 or Z1.
