Dodge 2004 Neon SX2 Diagnostic Manual page 633

*CHECKING RAD FAN LOW SPEED OPERATION (TURBO) —
TEST
8 Turn the ignition off.
Disconnect the Rad Fan #1 harness connector.
Measure the resistance of the ground circuit in the Rad Fan #1 harness connector to
ground.
Is the resistance below 5.0 ohms?
Yes → Go To 9
→ Repair the open in the Ground circuit.
No
9 Remove the Rad Fan Relay #3 from the PDC.
Turn the ignition on.
With the DRBIII , actuate the Low Speed Rad Fan Relay#1.
Using a fused jumper wire connected to ground, probe the Low Speed Rad Relay
Output in the Rad Fan Control Relay #3.
Does the Rad Fan #2 operate?
Yes → Check for an open between the Relay #3 and the Rad Fan #1 in
→ Check for an open between the Relay #2 and Relay #3 in the Relay
No
ACTION
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.
the Relay Output circuit. If OK, replace the Rad Fan Assembly.
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.
Output circuit. If OK, replace the Rad Fan Assembly.
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.
DRIVEABILITY - NGC
297
Continued
APPLICABILITY
All
All