Chrysler RG Voyager. Manual - part 305

TEST

ACTION

APPLICABILITY

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

→ Go To 5

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.

→ Repair the Rear Wiper Motor ground circuit for an open.

Perform BODY VERIFICATION TEST - VER 1.

Turn the ignition off to the lock position.
Disconnect the Body Control Module 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.

→ Go To 6

Turn the ignition off to the lock position.
Disconnect the Body Control Module 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.
Is the test light on?

All

Yes

→ Repair the Rear Wiper Motor Control Circuit for a short to

voltage.
Perform BODY VERIFICATION TEST - VER 1.

→ Replace the Body Control Module in accordance with the Service

Information.
Perform BODY VERIFICATION TEST - VER 1.

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REAR WIPER OUTPUT OPEN —

Continued

Symptom:

REAR WIPER OUTPUT SHORT TO GROUND

When Monitored and Set Condition:

REAR WIPER OUTPUT SHORT TO GROUND

When Monitored:

Ignition ON

Set Condition:

POSSIBLE CAUSES

REAR WIPER MOTOR FUNCTION

INTERMITTENT WIRING AND CONNECTORS

REAR WIPER MOTOR CONTROL CIRCUIT SHORT TO GROUND

BODY CONTROL MODULE

TEST

ACTION

APPLICABILITY

Ignition on, engine not running.
Turn on the Rear Wiper.
Does the Rear Wiper Function?

All

Yes

→ Go To 2

→ Go To 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.

→ Test Complete.

Turn the ignition off to the lock position.
Disconnect the Body Control Module harness connector.
Disconnect the Rear Wiper Motor harness connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance between ground and the Rear Wiper Motor Control circuit.
Is the resistance less than 5.0 ohms?

All

Yes

→ Repair the Rear Wiper Motor Control Circuit for a short to

ground.
Perform BODY VERIFICATION TEST - VER 1.

→ Go To 4

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TEST

ACTION

APPLICABILITY

Turn the ignition off to the lock position.
Disconnect the Body Control Module harness connector.
Connect a 20A Fused jumper wire between B+ and the Rear Wiper Motor Signal
circuit in the Body Control Module connector harness.
NOTE: An internal short in the Wiper Motor may cause the fuse to open.
Does the Wiper Motor function?

All

Yes

→ Replace the Body Control Module in accordance with the Service

Information.
Perform BODY VERIFICATION TEST - VER 1.

→ Replace the Rear Wiper Motor in accordance with the Service

Information.
Perform BODY VERIFICATION TEST - VER 1.

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REAR WIPER OUTPUT SHORT TO GROUND —

Continued

Symptom:

REAR WIPER SWITCH MUX INPUT OPEN

When Monitored and Set Condition:

REAR WIPER SWITCH MUX INPUT OPEN

When Monitored:

Ignition ON

Set Condition:

A Sensor voltage is over 4.76 volts for more than .125 seconds.

POSSIBLE CAUSES

INTERMITTENT WIRING AND CONNECTORS

REAR WIPER SWITCH MUX CIRCUIT OPEN

REAR WIPER SWITCH MUX RETURN CIRCUIT OPEN

REAR WIPER SWITCH OPEN

BODY CONTROL MODULE

TEST

ACTION

APPLICABILITY

Turn the ignition on.
With the DRB, select Body, Body Control Module and read the R Wiper Switch Sensor
voltage.
Does the DRB display a Switch voltage greater than 4.5 volts?

All

Yes

→ Go To 2

→ Go To 5

Turn the ignition off.
Disconnect the Rear Wiper Switch harness connector.
Connect a jumper wire between the Rear Wiper Switch MUX circuit and the Rear
Wiper Switch MUX Return circuit in the Rear Wiper Switch harness connector.
Turn the ignition on.
With the DRB, select Body, Body Controller and read the Rear Wiper SW volts.
Does the DRB R Wiper Switch Sensor voltage read less than 0.3 Volts?

All

Yes

→ Replace the Rear Wiper Switch in accordance with the Service

Information.
Perform BODY VERIFICATION TEST - VER 1.

→ Go To 3

Turn the ignition off to the lock position.
Disconnect the applicable Body Control Module harness connector.
Disconnect the Rear Wiper Switch harness connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance of the Rear Wiper Switch MUX circuit from the Body Control
Module connector to the Rear Wiper Switch harness connector.
Is the resistance above 5.0 ohms?

All

Yes

→ Repair the Rear Wiper Switch MUX circuit for an open.

Perform BODY VERIFICATION TEST - VER 1.

→ Go To 4

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