Dodge ZB 2005 Service Manual page 1290

Symptom:
P1499-HYDRAULIC FAN SOLENOID CIRCUIT
When Monitored and Set Condition:
P1499-HYDRAULIC FAN SOLENOID CIRCUIT
When Monitored: Ignition on and engine running.
Set Condition: An open or shorted condition in the Hydraulic Fan Solenoid control circuit
is detected by the Powetrain Control Module.
RADIATOR FAN INOP
(K342) FUSED ASD RELAY OUTPUT CIRCUIT
(C240) COOLING FAN CONTROL CIRCUIT OPEN
(C240) COOLING FAN CONTROL CIRCUIT SHORTED TO GROUND
HYDRAULIC FAN
PCM
TEST
1 Ignition on, engine not running.
With the DRBIII , perform the Hydraulic Fan Solenoid Test found under Engine Test
and Systems Test.
Does the Radiator Fan operate properly?
Yes → Refer to the INTERMITTENT CONDITION Symptom (Diagnos-
→ Go To 2
No
2 Turn the ignition off.
Disconnect the Fan Solenoid harness connector.
Ignition on, engine not running.
With the DRBIII , actuate the ASD Relay.
Using a 12-volt test light connect to ground, probe the (K342) Fused ASD Relay
Output circuit at the fan solenoid.
Does the test light illuminate brightly when the ASD Relay is actuated?
Yes → Go To 3
→ Repair the open or short to ground in the (K342) Fused ASD Relay
No
POSSIBLE CAUSES
ACTION
tic Procedure).
Perform POWERTRAIN VERIFICATION TEST VER - 2.
Output circuit. Inspect the related fuse and repair as necessary.
Perform POWERTRAIN VERIFICATION TEST VER - 2.
DRIVEABILITY - GAS
169
APPLICABILITY
All
All