Dodge Ram. Manual — part 134
TEST
ACTION
APPLICABILITY
3
Turn the ignition off.
Disconnect the Integrated Power Module C3 harness connector.
Disconnect the Washer Pump Motor harness connector.
Measure the resistance between ground and the Washer Pump Motor Control circuit.
Is the resistance below 5.0 ohms?
All
Yes
→ Repair the Washer Pump Motor Control circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 4
4
Turn the ignition off.
Disconnect the FCM from the IPM.
Disconnect the IPM C3 harness connector.
Measure the resistance between ground and the IPM Washer Pump Motor Control
circuit terminal pin.
Is the resistance below 5.0 ohms?
All
Yes
→ Replace the Power Distribution Center (PDC) in accordance with
the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Front Control Module (FCM) in accordance with the
Service Information.
Perform BODY VERIFICATION TEST - VER 1.
533
WINDSHIELD WIPER & WASHER
FCM-WASHER PUMP OUTPUT CIRCUIT LOW —
Continued
Symptom:
FCM-WASHER PUMP OUTPUT CIRCUIT OPEN
When Monitored and Set Condition:
FCM-WASHER PUMP OUTPUT CIRCUIT OPEN
When Monitored:
With the igntion on.
Set Condition:
The FCM detects more than 5.0 volts on the Washer Pump Motor Control
circuit.
POSSIBLE CAUSES
INTERMITTENT CONDITION
WASHER PUMP MOTOR
WASHER PUMP MOTOR GROUND CIRCUIT OPEN
WASHER PUMP MOTOR CONTROL CIRCUIT OPEN
POWER DISTRIBUTION CENTER
FRONT CONTROL MODULE
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, clear all FCM DTC’s.
Actuate the Wiper Washers.
With the DRBIII
t, read the DTC information.
Does the DRBIII
t read: Washer Pump Output Circuit Open?
All
Yes
→ Go To 2
No
→ The condition that caused the symptom is currently not present.
Inspect the related wiring for a possible intermittent condition.
Look for any chafed, pierced, pinched, or partially broken wires.
Perform BODY VERIFICATION TEST - VER 1.
2
Turn the ignition off.
Disconnect the Washer Pump Motor harness connector.
Connect a jumper wire between cavity 1 and cavity 2.
Turn the ignition on.
With the DRBIII
t, read DTCs.
Does the DRBIII
t display: Washer Pump Output Circuit Low?
All
Yes
→ Replace the Washer Pump Motor - Front in accordance with the
Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 3
534
WINDSHIELD WIPER & WASHER
TEST
ACTION
APPLICABILITY
3
Turn the ignition off.
Disconnect the Washer Pump Motor harness connector.
Measure the resistance between ground and the Washer Pump Motor Ground circuit.
Is the resistance above 5.0 ohms?
All
Yes
→ Repair the Washer Pump Motor Ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 4
4
Turn the ignition off.
Disconnect the Washer Pump Motor harness connector.
Disconnect the IPM C3 harness connector.
Measure the resistance of the Washer Pump Motor Control circuit.
Is the resistance above 5.0 ohms?
All
Yes
→ Repair the Washer Pump Motor Control circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 5
5
Turn the ignition off.
Disconnect the FCM from the IPM.
Disconnect the IPM C3 harness connector.
Measure the internal resistance of the IPM Washer Pump Motor Control circuit.
Is the resistance above 5.0 ohms?
All
Yes
→ Replace the Power Distribution Center (PDC) in accordance with
the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Front Control Module (FCM) in accordance with the
Service Information.
Perform BODY VERIFICATION TEST - VER 1.
535
WINDSHIELD WIPER & WASHER
FCM-WASHER PUMP OUTPUT CIRCUIT OPEN —
Continued
Symptom:
FCM-WIPER ON-OFF RELAY OUTPUT CIRCUIT HIGH
POSSIBLE CAUSES
INTERMITTENT CONDITION
WIPER ON/OFF RELAY
POWER DISTRIBUTION CENTER INTERNAL SHORT TO VOLTAGE
FRONT CONTROL MODULE
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, clear all FCM DTC’s.
Turn the Wipers ON than OFF.
With the DRBIII
t, read the DTC information.
Does the DRBIII
t read: Wiper ON-OFF Relay Output Circuit High?
All
Yes
→ Go To 2
No
→ The condition that caused the symptom is currently not present.
Inspect the related wiring for a possible intermittent condition.
Look for any chafed, pierced, pinched, or partially broken wires.
Perform BODY VERIFICATION TEST - VER 1.
2
Turn the ignition off.
Remove the Wiper On/Off Relay from the IPM.
Turn the ignition on.
Activate the Wiper Switch to all speed positions.
With the DRBIII
t, read DTCs.
Does the DRBIII
t display: Wiper On/Off Relay Output Circuit High?
All
Yes
→ Replace the Wiper On/Off Relay in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 3
3
Turn the ignition off.
Remove the Wiper On/Off Relay from the IPM.
Remove the FCM from the IPM.
Measure the voltage between the Wiper On/Off Relay Control circuit and ground in
the IPM.
Is there any voltage present?
All
Yes
→ Replace the Power Distribution Center (PDC) in accordance with
the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Front Control Module (FCM) in accordance with the
Service Information.
Perform BODY VERIFICATION TEST - VER 1.
536
WINDSHIELD WIPER & WASHER
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