Dodge Dakota (R1). Manual — part 73
Symptom:
FRONT WIPER PARK SWITCH SENSE CIRCUIT HIGH
When Monitored and Set Condition:
FRONT WIPER PARK SWITCH SENSE CIRCUIT HIGH
When Monitored:
Ignition On. Front wipers in intermittent mode.
Set Condition:
Central Timer Module does not detect a ground on the Front Wiper Park
Switch Sense circuit for 8 seconds.
POSSIBLE CAUSES
INTERMITTENT WIRING AND CONNECTORS
FRONT WIPER PARK SWITCH
FRONT WIPER RELAY
FRONT WIPER SWITCH-RELAY SIGNAL
FRONT WIPER MOTOR LOW DRIVER CIRCUIT OPEN
FRONT WIPER PARK SWITCH GROUND CIRCUIT OPEN
FRONT WIPER PARK SWITCH SENSE CIRCUIT OPEN-MOTOR
FRONT WIPER PARK SWITCH SENSE CIRCUIT OPEN-RELAY
FRONT WIPER RELAY SIGNAL CIRCUIT OPEN
FRONT WIPER PARK SWITCH SENSE CIRCUIT SHORT TO VOLTAGE-MOTOR
FRONT WIPER PARK SWITCH SENSE CIRCUIT SHORT TO VOLTAGE-RELAY
CENTRAL TIMER MODULE
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, erase DTCs.
Cycle the ignition off and on, leaving ignition key off for at least 15 seconds.
Operate the Wiper system in all modes.
With the DRBIII
t, read DTCs.
Does the DTC reset?
All
Yes
→
No
→
289
WINDSHIELD WIPER & WASHER
TEST
ACTION
APPLICABILITY
2
Turn the ignition on..
With the DRBIII
t, erase DTCs.
Cycle the ignition off and on, leaving ignition key off for at least 15 seconds.
Install a substitute relay in place of the Front Wiper Relay.
Operate the Wiper system in all modes.
With the DRBIII
t, read DTCs.
Does the DTC reset?
All
Yes
→
No
→
Replace the Front Wiper Relay in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
3
Turn the ignition on.
With the DRBIII
t, erase DTCs.
Turn the ignition off.
NOTE: Place the Wipers in the
(parked( position.
Disconnect the Front Wiper Motor harness connector
Measure the resistance of the Park Switch between the Front Wiper Motor Ground
pin and the Front Wiper Park Switch Sense pin in the Front Wiper Motor harness
connector.
Is the resistance above 5.0 ohms?
All
Yes
→
Replace the Front Wiper Motor in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→
4
Turn the ignition off.
Disconnect the Front Wiper Switch harness connector.
Select the Intermittent mode with the Front Wiper Switch.
Measure the resistance of the Front Wiper Switch between the Front Wiper Relay
Signal pin and the Front Wiper Motor Low Driver Pin.
Is the resistance above 5.0 ohms?
All
Yes
→
Replace the Front Wiper Switch (Multi- Function Switch) in
accordance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→
5
Turn the ignition off.
Disconnect the Front Wiper Motor.
Disconnect the Front Wiper Switch.
Measure the resistance of the Front Wiper Motor Low Driver circuit from the Front
Wiper Motor harness connector to both cavities of the Front Wiper Switch harness
connector.
Is the resistance above 5.0 ohms?
All
Yes
→
Repair the Front Wiper Motor Low Driver Circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
No
→
290
WINDSHIELD WIPER & WASHER
FRONT WIPER PARK SWITCH SENSE CIRCUIT HIGH —
Continued
TEST
ACTION
APPLICABILITY
6
Turn the ignition off.
Disconnect the Front Wiper Motor.
Measure the resistance between the Front Wiper Park Switch Ground circuit at the
Front Wiper Motor harness connector.
Is the resistance above 5.0 ohms?
All
Yes
→
Repair the Front Wiper Park Switch Ground Circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
No
→
7
Turn the ignition off.
Disconnect the Front Wiper Motor.
Disconnect the Central Timer Module.
Measure the resistance of the Front Wiper Park Switch Sense circuit between the
Central Timer Module harness connector and the Front Wiper Motor harness
connector.
Is the resistance above 5.0 ohms?
All
Yes
→
Repair the Front Wiper Park Switch Sense Circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
No
→
8
Turn the ignition off.
Disconnect the Front Wiper Relay.
Disconnect the Central Timer Module.
Measure the resistance of the Front Wiper Park Switch Sense circuit between the
Central Timer Module harness connector and the Front Wiper Relay connector.
Is the resistance above 5.0 ohms?
All
Yes
→
Repair the Front Wiper Park Switch Sense Circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
No
→
9
Turn the ignition off.
Remove the Front Wiper Relay.
Disconnect the Front Wiper Switch.
Measure the resistance of the Front Wiper Relay Signal circuit.
Is the resistance above 5.0 ohms?
All
Yes
→
Repair the Front Wiper Relay Signal Circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
No
→
10
Turn the ignition off.
Disconnect the Front Wiper Motor.
Disconnect the Central Timer Module.
Turn the ignition on.
Measure the voltage of the Front Wiper Park Switch Sense Circuit at the Front Wiper
Motor harness connector.
Is the voltage above 5.0 volts?
All
Yes
→
Repair the Front Wiper Park Switch Sense Circuit for a short to
voltage.
Perform BODY VERIFICATION TEST - VER 1.
No
→
291
WINDSHIELD WIPER & WASHER
FRONT WIPER PARK SWITCH SENSE CIRCUIT HIGH —
Continued
TEST
ACTION
APPLICABILITY
11
Turn the ignition off.
Disconnect the Front Wiper Relay.
Disconnect the Central Timer Module.
Turn the ignition on.
Measure the voltage of the Front Wiper Park Switch Sense Circuit at the Front Wiper
Relay connector.
Is the voltage above 5.0 volts?
All
Yes
→
Repair the Front Wiper Park Switch Sense Circuit for a short to
voltage.
Perform BODY VERIFICATION TEST - VER 1.
No
→
12
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.
13
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.
292
WINDSHIELD WIPER & WASHER
FRONT WIPER PARK SWITCH SENSE CIRCUIT HIGH —
Continued
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