Chrysler Pacifica. Manual — part 273
TEST
ACTION
APPLICABILITY
4
Turn the ignition off.
Disconnect the Front Wiper Motor.
Disconnect the IPM C7 harness connector.
Turn the ignition on.
Measure the resistance between ground and the Front Wiper Park Switch Sense
circuit.
Is the resistance below 5.0 ohms?
All
Yes
→ Repair the Front Wiper Park Switch Sense Circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Integrated Power Module in accordance with the
Service Information.
Perform BODY VERIFICATION TEST - VER 1.
5
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.
1089
WINDSHIELD WIPER & WASHER
FRONT WIPER PARK SWITCH SHORT TO GROUND-IPM —
Continued
Symptom:
FRONT WIPER SWITCH INPUT OPEN-BCM
POSSIBLE CAUSES
FRONT WIPER SWITCH MUX CIRCUIT OPEN
MULTIFUNCTION SWITCH MUX RETURN CIRCUIT OPEN
FRONT WIPER MUX CIRCUIT SHORTED TO VOLTAGE
BODY CONTROL MODULE
WIPER/WASHER SWITCH
WIRING HARNESS INSPECTION
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, select Body, Body Controller and read the Front Wiper Switch
volts.
Is the voltage above 4.8 volts?
All
Yes
→ Go To 2
No
→ Go To 6
2
Turn the ignition off.
Disconnect the Wiper/Washer Switch harness connector.
Disconnect the BCM C5 harness connector.
Measure the resistance of the Front Wiper Switch MUX circuit between the BCM C5
harness connector and the Wiper/Washer Switch harness connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 3
No
→ Repair the Front Wiper Switch MUX circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
3
Turn the ignition off.
Disconnect the Wiper/Washer Switch harness connector.
Disconnect the BCM C4 harness connector.
Measure the resistance of the Multi-Function Switch MUX Return circuit between
the BCM C4 harness connector and the Multi-Function Switch harness connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 4
No
→ Repair the Multi-Function Switch MUX Return circuit for an
open.
Perform BODY VERIFICATION TEST - VER 1.
1090
WINDSHIELD WIPER & WASHER
TEST
ACTION
APPLICABILITY
4
Turn the ignition off.
Disconnect the Wiper/Washer Switch harness connector.
Disconnect the BCM C5 harness connector.
Turn the ignition on.
Measure the voltage of the Front Wiper MUX Switch Signal circuit.
Is the voltage above 1.0 volt?
All
Yes
→ Repair the Front Wiper Switch MUX circuit for a short to voltage.
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.
Connect a jumper wire between the Front Wiper Switch MUX circuit and the
Mulit-Function Switch MUX Return circuit.
With the DRBIII
t, read the Front Wiper Switch volts?
Is the voltage below 0.5 volt?
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.
6
Turn the ignition on.
With the DRBIII
t, erase all BCM DTCs.
Turn the ignition off.
NOTE: Visually inspect the related wiring harness and circuits. Look for
any chafed, pierced, pinched, or partially broken wires.
NOTE: Visually inspect the related wiring harness connectors. Look for
broken, bent, pushed out, or corroded terminals.
NOTE: Refer to any Technical Service Bulletins (TSB) that may apply.
Were any problems found?
All
Yes
→ Repair as necessary.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Test Complete.
1091
WINDSHIELD WIPER & WASHER
FRONT WIPER SWITCH INPUT OPEN-BCM —
Continued
Symptom:
FRONT WIPER SWITCH INPUT SHORT-BCM
POSSIBLE CAUSES
FRONT WIPER SWITCH MUX CIRCUIT SHORTED TO GROUND
FRONT WIPER SWITCH MUX CIRCUIT SHORTED TO M/F MUX RETURN CIRCUIT
BODY CONTROL MODULE
WIPER/WASHER SWITCH
WIRING HARNESS INSPECTION
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, select Body, Body Controller and read the Front Wiper Switch
volts?
Is the voltage above 0.3 volt?
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.
NOTE: Visually inspect the related wiring harness and circuits. Look for
any chafed, pierced, pinched, or partially broken wires.
NOTE: Visually inspect the related wiring harness connectors. Look for
broken, bent, pushed out, or corroded terminals.
NOTE: Refer to any Technical Service Bulletins (TSB) that may apply.
Were any problems found?
All
Yes
→ Repair as necessary.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Test Complete.
3
Turn the ignition off.
Disconnect the Wiper/Washer Switch harness connector.
Disconnect the BCM C5 harness connector.
Measure the resistance of the Front Wiper Switch MUX circuit between the BCM C5
harness connector and ground.
Is the resistance below 1000.0 ohms?
All
Yes
→ Repair the Front Wiper Switch MUX circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 4
1092
WINDSHIELD WIPER & WASHER
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