Chrysler Voyager. Manual — part 391

Symptom:

REAR WASH SWITCH INPUT STUCK

When Monitored and Set Condition:

REAR WASH SWITCH INPUT STUCK

When Monitored:

Ignition ON

Set Condition:

Switch is applied for more than 10 seconds.

POSSIBLE CAUSES

REAR WASHER SWITCH STUCK

INTERMITTENT WIRING AND CONNECTORS

TEST

ACTION

APPLICABILITY

1

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

All

Yes

→ Go To 2

No

→ Go To 3

2

Turn the ignition off.
Disconnect the Rear Washer Switch harness connector.
Turn the ignition on.
With the DRB, select Body, Body Control Module and read the R 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 and FCM 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.

991

WINDSHIELD WIPER & WASHER

Symptom:

REAR WASHER OUTPUT OPEN

When Monitored and Set Condition:

REAR WASHER OUTPUT OPEN

When Monitored:

Ignition on.

Set Condition:

POSSIBLE CAUSES

INTERMITTENT WIRING AND CONNECTORS

FUSED ACCESSORY RELAY OUTPUT CIRCUIT

REAR WASHER MOTOR CONTROL CIRCUIT OPEN

REAR WASHER MOTOR CONTROL CIRCUIT SHORT TO VOLTAGE

REAR WASHER PUMP MOTOR

FRONT CONTROL MODULE

TEST

ACTION

APPLICABILITY

1

Ignition on, engine not running.
Press the Rear Washer Switch.
Does the Rear Washer Motor Function?

All

Yes

→ Go To 2

No

→ Go To 3

2

Turn the ignition on.
With the DRBIII

t, erase all BCM and FCM 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.

992

WINDSHIELD WIPER & WASHER

TEST

ACTION

APPLICABILITY

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.

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

→ Go To 5

5

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

All

Yes

→ Repair the Rear 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 Front Control Module connector.
Disconnect the Rear 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 Rear Washer Pump Motor
Control circuit.
Does the test light illuminate brightly?

All

Yes

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

to voltage.
Perform BODY VERIFICATION TEST - VER 1.

No

→ Replace the Front Control Module in accordance with the Service

Information.
Perform BODY VERIFICATION TEST - VER 1.

993

WINDSHIELD WIPER & WASHER

REAR WASHER OUTPUT OPEN —

Continued

Symptom:

REAR WIPER OUTPUT OPEN

When Monitored and Set Condition:

REAR WIPER OUTPUT OPEN

When Monitored:

Ignition on.

Set Condition:

The Output is ON, the Output Driver Status is LOW and there is no Park

signal.

POSSIBLE CAUSES

INTERMITTENT WIRING AND CONNECTORS

REAR WIPER MOTOR CONTROL CIRCUIT OPEN

REAR WIPER MOTOR GROUND OPEN

REAR WIPER MOTOR CONTROL CIRCUIT SHORT TO VOLTAGE

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 and FCM 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.

994

WINDSHIELD WIPER & WASHER