B230E

B230E-REAR WIPER PARK SWITCH INPUT CIRCUIT OPEN

B230E - Rear Wiper Park Switch Input Circuit Open:

POSSIBLE CAUSES
- (W17) Rear wiper park switch sense circuit open
- Front control module

Diagnostic test

1. INTERMITTENT CONDITION
Turn the ignition on.
With the Scan Tool, clear all FCM DTC's.
Turn the Rear Wipers on.
With the Scan Tool, read the Rear Wiper DTC's.

Q: Does the Scan Tool read: B230E-REAR WIPER PARK SWITCH INPUT CIRCUIT OPEN?

YES: Go To 2
NO: The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires.
Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test

2. (W17) REAR WIPER PARK SWITCH SENSE CIRCUIT OPEN




Turn the ignition off.
Disconnect the Rear Wiper Motor connector.
Disconnect the FCM C1 harness connector.
Measure the resistance of the (W17) Rear Wiper Park Switch Sense circuit.

Q: Is the resistance above 5.0 ohms?

YES: Repair the (W17) Rear Wiper Park Switch Sense circuit for an open condition.
Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Replace the Front Control Module.
Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test