Chrysler Pacifica. Manual — part 270

Symptom:

FRONT WASHER OUTPUT OPEN-IPM

POSSIBLE CAUSES

FUSED ACCESSORY RELAY OUTPUT CIRCUIT

FRONT WASHER MOTOR CONTROL CIRCUIT OPEN

FRONT WASHER MOTOR CONTROL CIRCUIT SHORT TO VOLTAGE

FRONT WASHER PUMP MOTOR

INTEGRATED POWER MODULE

INTERMITTENT WIRING AND CONNECTORS

TEST

ACTION

APPLICABILITY

1

Ignition on, engine off.
Press the Front Washer Switch.
Does the Front Washer Motor Function?

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 Front Washer Pump Motor harness connector.
NOTE: Check connectors - Clean/repair as necessary.
Ignition on, engine off.
Using a 12-volt test light connected to ground, check the Fused Accessory Relay
Output circuit in the Front Washer Pump Motor harness connector.
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.

1077

WINDSHIELD WIPER & WASHER

TEST

ACTION

APPLICABILITY

4

Turn the ignition off to the lock position.
Disconnect the Front Washer Pump Motor harness connector.
Ignition on, engine off.
Using a 12-volt test light connected to 12 Volts, check the Front Washer Pump Motor
Control circuit in the Front Washer Pump Motor harness connector while pressing
the Front Washer Switch.
Does the test light illuminate brightly?

All

Yes

→ Replace the Front Washer Pump Motor in accordance with the

Service Information.
Perform BODY VERIFICATION TEST - VER 1.

No

→ Go To 5

5

Turn the ignition off to the lock position.
Disconnect the IPM C5 harness connector.
Disconnect the Front Washer Pump Motor harness connector.
NOTE: Check connectors - Clean/repair as necessary.
Measure the resistance of the Front Washer Pump Motor Control Circuit from the
IPM C5 connector to the Front Washer Pump Motor harness connector.
Is the resistance above 5.0 ohms?

All

Yes

→ Repair the Front Washer Pump 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 IPM C5 harness connector.
Disconnect the Front Washer Pump 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 Front Washer Pump Motor
Control circuit.
Does the test light illuminate brightly?

All

Yes

→ Repair the Front Washer Pump Motor Control Circuit for a short

to voltage.
Perform BODY VERIFICATION TEST - VER 1.

No

→ Replace the Integrated Power Module in accordance with the

Service Information.
Perform BODY VERIFICATION TEST - VER 1.

1078

WINDSHIELD WIPER & WASHER

FRONT WASHER OUTPUT OPEN-IPM —

Continued

Symptom:

FRONT WASHER OUTPUT SHORT TO GROUND-IPM

POSSIBLE CAUSES

FRONT WASHER MOTOR CONTROL CIRCUIT SHORT TO GROUND

FRONT WASHER PUMP MOTOR FUNCTION

INTEGRATED POWER MODULE

INTERMITTENT WIRING AND CONNECTORS

TEST

ACTION

APPLICABILITY

1

Ignition on, engine not running.
Turn on the Front Washer.
Does the Front 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 Front Washer Motor harness connector.
NOTE: Check connectors - Clean/repair as necessary.
Measure the resistance between ground and the Front Washer Motor Control circuit.
Is the resistance less than 5.0 ohms?

All

Yes

→ Repair the Front 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 Front 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 Front Washer Pump Motor in accordance with the

Service Information.
Perform BODY VERIFICATION TEST - VER 1.

1079

WINDSHIELD WIPER & WASHER

Symptom:

FRONT WASHER SWITCH INPUT STUCK-BCM

POSSIBLE CAUSES

FRONT WIPER SWITCH MUX CIRCUIT SHORTED TO GROUND

WIPER/WASHER SWITCH

WIRING HARNESS INSPECTION

BODY CONTROL MODULE

TEST

ACTION

APPLICABILITY

1

Turn the ignition on.
With the DRB, select Body, Body Control Module and read the Front Washer Switch
state.
Does the DRB display switch state as Closed?

All

Yes

→ Go To 2

No

→ Go To 4

2

Turn the ignition off.
Disconnect the Wiper/Washer Switch harness connector.
Turn the ignition on.
With the DRB, select Body, Front Control Module and read the Front Washer Switch
state.
Does the DRB display switch state as Open?

All

Yes

→ Replace the Wiper/Washer Switch.

Perform BODY VERIFICATION TEST - VER 1.

No

→ Go To 3

3

Turn the ignition off.
Disconnect the Wiper/Washer Switch harness connector.
Disconnect the BCM C5 harness connector.
Measure the resistance between ground and the Front Wiper Switch MUX circuit.
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

→ Replace the Body Control Module.

Perform BODY VERIFICATION TEST - VER 1.

4

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.

1080

WINDSHIELD WIPER & WASHER