Chrysler Pacifica. Manual — part 275
Symptom:
REAR WASHER OUTPUT SHORT TO GROUND-IPM
POSSIBLE CAUSES
REAR WASHER MOTOR CONTROL CIRCUIT SHORT TO GROUND
REAR WASHER PUMP MOTOR FUNCTION
INTEGRATED POWER MODULE
INTERMITTENT WIRING AND CONNECTORS
TEST
ACTION
APPLICABILITY
1
Ignition on, engine not running.
Turn on the Rear Washer.
Does the Rear Washer Function properly?
All
Yes
→ Go To 2
No
→ Go To 3
2
Turn the ignition on.
With the DRBIII
t, erase all IPM DTCs.
Turn the ignition off.
The conditions necessary to set this DTC are not present at this time.
Using the schematics as a guide, inspect the wiring and connectors specific to this
circuit.
Wiggle the wiring while checking for shorts and open circuits.
Were there any problems found?
All
Yes
→ Repair as necessary.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Test Complete.
3
Turn the ignition off to the lock position.
Disconnect the IPM C5 harness connector.
Disconnect the Rear Washer Motor harness connector.
NOTE: Check connectors - Clean/repair as necessary.
Measure the resistance between ground and the Rear Washer Motor Control circuit.
Is the resistance less than 5.0 ohms?
All
Yes
→ Repair the Rear Washer Motor Control Circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 4
4
Turn the ignition off to the lock position.
Disconnect the IPM C5 harness connector.
Connect a 20A Fused jumper wire between B+ and the Rear Washer Motor Signal
circuit in the IPM connector harness.
NOTE: An internal short in the Washer Motor may cause the fuse to open.
Does the Washer Motor function?
All
Yes
→ Test Complete.
No
→ Replace the Rear Washer Pump Motor in accordance with the
Service Information.
Perform BODY VERIFICATION TEST - VER 1.
1097
WINDSHIELD WIPER & WASHER
Symptom:
REAR WASHER SWITCH STUCK-BCM
POSSIBLE CAUSES
REAR WASHER SWITCH STUCK
INTERMITTENT WIRING AND CONNECTORS
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, select Body, Body Control Module and read the Washer Switch
state.
Does the DRBIII
t display switch state as Closed?
All
Yes
→ Go To 2
No
→ Go To 3
2
Turn the ignition off.
Disconnect the Wiper/Washer Switch harness connector.
Turn the ignition on.
With the DRB, select Body, Body Control Module and read the Rear Washer Switch
state.
Does the DRB display switch state as Open?
All
Yes
→ Replace the Rear Washer Switch in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 3
3
Turn the ignition on.
With the DRBIII
t, erase all BCM DTCs.
Turn the ignition off.
The conditions necessary to set this DTC are not present at this time.
Using the schematics as a guide, inspect the wiring and connectors specific to this
circuit.
Wiggle the wiring while checking for shorts and open circuits.
Were there any problems found?
All
Yes
→ Repair as necessary.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Test Complete.
1098
WINDSHIELD WIPER & WASHER
Symptom:
REAR WIPER OUTPUT OPEN/SHORT TO GROUND -BCM
POSSIBLE CAUSES
REAR WIPER MOTOR CONTROL CIRCUIT OPEN
REAR WIPER MOTOR CONTROL CIRCUIT SHORT TO VOLTAGE
REAR WIPER MOTOR GROUND OPEN
INTERMITTENT WIRING AND CONNECTORS
REAR WIPER MOTOR
BODY CONTROL MODULE
TEST
ACTION
APPLICABILITY
1
Ignition on, engine not running.
Turn on the Rear Wiper.
Does the Rear Wiper Function?
All
Yes
→ Go To 2
No
→ Go To 3
2
Turn the ignition on.
With the DRBIII
t, erase all BCM DTCs.
Turn the ignition off.
The conditions necessary to set this DTC are not present at this time.
Using the schematics as a guide, inspect the wiring and connectors specific to this
circuit.
Wiggle the wiring while checking for shorts and open circuits.
Were there any problems found?
All
Yes
→ Repair as necessary.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Test Complete.
3
Turn the ignition off to the lock position.
Disconnect the Rear Wiper Motor harness connector.
NOTE: Check connectors - Clean/repair as necessary.
Turn the ignition and Rear Wiper Switch on.
Using a 12-volt test light connected to ground, check the Rear Wiper Motor Control
circuit in the Rear Wiper Motor harness connector.
Does the test light illuminate brightly?
All
Yes
→ Go To 4
No
→ Go To 5
1099
WINDSHIELD WIPER & WASHER
TEST
ACTION
APPLICABILITY
4
Turn the ignition off to the lock position.
Disconnect the Rear Wiper Motor harness connector.
NOTE: Check connectors - Clean/repair as necessary.
Ignition on, engine not running.
Using a 12-volt test light connected to 12 Volts, check the Rear Wiper Motor ground
circuit in the Rear Wiper Motor harness connector.
NOTE: The test light must illuminate brightly. Compare the brightness to
that of a direct connection to the battery.
Does the test light illuminate brightly?
All
Yes
→ Replace the Rear Wiper Motor in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Repair the Rear Wiper Motor ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
5
Turn the ignition off to the lock position.
Disconnect the Body Control Module C2 harness connector.
Disconnect the Rear Wiper Motor harness connector.
NOTE: Check connectors - Clean/repair as necessary.
Measure the resistance of the Rear Wiper Motor Control Circuit from the Body
Control Module harness connector to the Rear Wiper Motor harness connector.
Is the resistance above 5.0 ohms?
All
Yes
→ Repair the Rear Wiper Motor Control Circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 6
6
Turn the ignition off to the lock position.
Disconnect the Body Control Module C2 harness connector.
Disconnect the Rear Wiper Motor harness connector.
NOTE: Check connectors - Clean/repair as necessary.
Turn the ignition on.
Using a 12-volt test light connected to ground, check the Rear Wiper Motor Control
circuit.
Does the test light illuminate brightly?
All
Yes
→ Repair the Rear Wiper Motor Control Circuit for a short to
voltage.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Body Control Module in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
1100
WINDSHIELD WIPER & WASHER
REAR WIPER OUTPUT OPEN/SHORT TO GROUND -BCM —
Continued
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