Chrysler Pacifica. Manual — part 274
TEST
ACTION
APPLICABILITY
4
Turn the ignition off.
Disconnect the Wiper/Washer Switch harness connector.
Disconnect the BCM C5 harness connector.
Measure the resistance between the Front Wiper Switch MUX circuit and the
Multi-Function Switch MUX Return circuit.
Is the resistance below 1000.0 ohms?
All
Yes
→ Repair the Front Wiper Switch MUX circuit for a short to the
Multi-Function Switch MUX Return circuit.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 5
5
Turn the ignition off.
Disconnect the Wiper/Washer Switch harness connector.
Turn the ignition on.
With the DRBIII
t, read the Front Wiper Switch volts?
Is the voltage above 4.5 volts?
All
Yes
→ Replace the Wiper/Washer Switch.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
1093
WINDSHIELD WIPER & WASHER
FRONT WIPER SWITCH INPUT SHORT-BCM —
Continued
Symptom:
HIGH VOLTAGE DISABLE FRONT & REAR WASHER
When Monitored and Set Condition:
HIGH VOLTAGE DISABLE FRONT & REAR WASHER
When Monitored:
Engine running.
Set Condition:
The IPM detects battery voltage is over 16.1 volts.
POSSIBLE CAUSES
INTERMITTENT CONDITION
CHARGING SYSTEM OPERATION
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, read DTCs.
Does the DRBIII
t display High Voltage Disable Front and Rear Washer?
All
Yes
→ Repair the vehicle’s charging system for a high voltage condition.
Perform BODY VERIFICATION TEST - VER 1.
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.
Verify proper operation of the vehicle’s charging system.
Perform BODY VERIFICATION TEST - VER 1.
1094
WINDSHIELD WIPER & WASHER
Symptom:
REAR WASHER OUTPUT OPEN-IPM
POSSIBLE CAUSES
FUSED ACCESSORY RELAY OUTPUT CIRCUIT
REAR WASHER PUMP MOTOR
INTERMITTENT WIRING AND CONNECTORS
TEST
ACTION
APPLICABILITY
1
Ignition on, engine not running.
Press the Rear Washer Switch.
Does the Rear Washer Motor 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 Rear Washer Pump Motor harness connector.
NOTE: Check connectors - Clean/repair as necessary.
Ignition on, engine not running.
Using a 12-volt test light connected to ground, check the Fused Accessory Relay
Output circuit in the Rear Washer Pump 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
→ Go To 4
No
→ Repair the Fused Accessory Relay Output circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
1095
WINDSHIELD WIPER & WASHER
TEST
ACTION
APPLICABILITY
4
Turn the ignition off to the lock position.
Disconnect the Rear Washer Pump 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 Washer Pump Motor
Control circuit in the Rear Washer Pump Motor harness connector while pressing the
Rear Washer Switch.
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 Washer Pump Motor in accordance with the
Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Test Complete.
1096
WINDSHIELD WIPER & WASHER
REAR WASHER OUTPUT OPEN-IPM —
Continued
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