B230E-REAR WIPER PARK SWITCH INPUT CIRCUIT HIGH (STUCK HIGH)
For a complete wiring diagram Refer to Section 8W.
Possible Causes
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(W17) REAR WIPER PARK SWITCH SENSE CIRCUIT OPEN
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(W17) REAR WIPER PARK SWITCH SENSE CIRCUIT SHORTED TO VOLTAGE
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REAR WIPER MOTOR
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TOTALLY INTEGRATED POWER MODULE
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Diagnostic Test
1.
INTERMITTENT CONDITION
Turn the ignition on.
With the scan tool, clear all DTC's.
Cycle the Wiper Switch on and off 3 times.
With the scan tool, read DTC's.
Does the scan tool display this DTC as active?
Yes
No
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The condition that caused this symptom is currently not present. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced,
pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary.
-
Perform the BODY VERIFICATION TEST — VER 1.
(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
2.
(W17) WIPER PARK SWITCH SENSE CIRCUIT SHORTED TO VOLTAGE
Turn the ignition off.
Disconnect the Rear Wiper Motor harness connector.
Turn the ignition on.
Using a 12–volt test light connected to ground, probe the (W17) Rear Wiper Park Switch Sense circuit.
Does the test light illuminate brightly?
Yes
No
3.
CHECK THE REAR WIPER MOTOR
Connect a jumper wire between the (W17) Rear Wiper Park Switch Sense circuit and ground.
With the scan tool, read the Rear Wiper Park Switch Sense.
Does the Rear Wiper Park Switch Sense display: True?
Yes
No
4. (W17) REAR WIPER PARK SWITCH SENSE CIRCUIT OPEN
Turn the ignition off.
Disconnect the TIPM C7 harness connector.
Measure the resistance of the (W17) Rear Wiper Park Switch Sense circuit between the Rear Wiper Motor harness connector and the TIPM C7 harness connector.
Is the resistance below 10.0 ohms?
Yes
No