Dodge Dakota (R1). Manual — part 75
Symptom:
*FRONT WASHER MOTOR INOP
POSSIBLE CAUSES
FRONT WASHER MOTOR
FRONT WASHER MOTOR GROUND CIRCUIT OPEN
FRONT WIPER SWITCH
FRONT WASHER MOTOR CONTROL CIRCUIT OPEN
FRONT WASHER MOTOR DRIVER CIRCUIT OPEN
FUSED IGNITION SWITCH OUTPUT CIRCUIT
CENTRAL TIMER MODULE
TEST
ACTION
APPLICABILITY
1
Turn the ignition off.
Disconnect the Front Washer Motor harness connector.
Turn the ignition on.
Using a 12-volt test light connected to ground, check the Front Washer Motor Driver
circuit.
NOTE: The test light must illuminate brightly. Compare the brightness to
that of a direct connection to the battery.
Activate the Front Washers.
Does the test light illuminate brightly?
All
Yes
→
Replace the Front Washer Motor in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→
2
Turn the ignition off.
Disconnect the Front Washer Motor.
Using a 12-volt test light connected to 12-volts, check the Front Washer Motor
Ground circuit.
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
→
No
→
Repair the Front Washer Motor Ground Circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
3
Turn the ignition off.
Disconnect the Front Wiper Switch harness connector.
Connect a jumper wire between the Fused Ignition Switch Output circuit and the
Front Washer motor Control circuit in the Front Wiper Switch harness connector.
Turn the ignition on.
Does the Front Washer Motor function?
All
Yes
→
Replace the Front Wiper Switch (Multi- Function Switch) in
accordance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→
297
WINDSHIELD WIPER & WASHER
TEST
ACTION
APPLICABILITY
4
Turn the ignition off.
Disconnect the Front Wiper Switch.
Disconnect the Central Timer Module
Measure the resistance of the Front Washer Motor Control circuit.
Is the resistance above 5.0 ohms?
All
Yes
→
Repair the Front Washer Motor Control Circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
No
→
5
Turn the ignition off.
Disconnect the Front Washer Motor.
Disconnect the Central Timer Module.
Measure the resistance of the Front Washer Motor Driver circuit.
Is the resistance above 5.0 ohms?
All
Yes
→
Repair the Front Washer Motor Driver Circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
No
→
6
Turn the ignition off.
Disconnect the Front Wiper Switch.
Using a 12-volt test light connected to ground, check the Fused Ignition Switch
Output circuit.
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
→
Repair the Fused Ignition Switch Output circuit for an open. If
the fuse is open make sure to check for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→
7
If there are no possible causes remaining, view repair.
All
Repair
Replace the Central Timer Module in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
298
WINDSHIELD WIPER & WASHER
*FRONT WASHER MOTOR INOP —
Continued
Symptom:
*FRONT WIPER HIGH SPEED INOP
POSSIBLE CAUSES
FRONT WIPER MOTOR GROUND CIRCUIT OPEN
FRONT WIPER MOTOR HIGH DRIVER CIRCUIT OPEN
FUSED IGNITION SWITCH OUTPUT CIRCUIT
FRONT WIPER SWITCH
FRONT WIPER MOTOR
TEST
ACTION
APPLICABILITY
1
Turn the ignition off.
Disconnect the Front Wiper Switch harness connector.
Connect a jumper wire between the Fused Ignition Switch Output circuit and the
Front Wiper Motor High Driver circuit in the Front Wiper Switch harness connector.
Turn the ignition on.
Does the Front Wiper Motor function?
All
Yes
→
Replace the Front Wiper Switch (Multi- Function Switch) in
accordance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→
2
Turn the ignition off.
Disconnect the Front Wiper Motor.
Using a 12-volt test light connected to 12-volts, check the Front Wiper Motor Ground
circuit.
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
→
No
→
Repair the Front Wiper Motor Ground Circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
3
Turn the ignition off.
Disconnect the Front Wiper Motor.
Disconnect the Front Wiper Switch.
Measure the resistance of the Front Wiper Motor High Driver circuit.
Is the resistance above 5.0 ohms?
All
Yes
→
Repair the Front Wiper Motor High Driver Circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
No
→
299
WINDSHIELD WIPER & WASHER
TEST
ACTION
APPLICABILITY
4
Turn the ignition off.
Disconnect the Front Wiper Switch.
Using a 12-volt test light connected to ground, check the Fused Ignition Switch
Output circuit.
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
→
Repair the Fused Ignition Switch Output circuit for an open. If
the fuse is open make sure to check for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→
5
Turn the ignition off.
Disconnect the Front Wiper Motor harness connector.
Turn the ignition on.
Using a 12-volt test light connected to ground, check the Front Wiper Motor High
Driver circuit.
NOTE: The test light must illuminate brightly. Compare the brightness to
that of a direct connection to the battery.
Activate the Front Wipers on High.
Does the test light illuminate brightly?
All
Yes
→
Replace the Front Wiper Motor in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→
Test Complete.
300
WINDSHIELD WIPER & WASHER
*FRONT WIPER HIGH SPEED INOP —
Continued
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