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B2317

B2317-WIPER HI/LOW CONTROL CIRCUIT LOW


B2317-Wiper Hi/Low Control Circuit Low:




WHEN MONITORED
With the ignition on.

SET CONDITION
When the FCM detects a short/low condition.

POSSIBLE CAUSES
- Wiper high/low relay
- Power distribution center
- Front control module

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.

DIAGNOSTIC TEST

1. INTERMITTENT CONDITION




Turn the ignition on.
With the Scan Tool, clear all FCM DTC's.
Turn the Wipers from High to Low.
With the Scan Tool, read the Wiper DTC's.

Q: Does the Scan Tool read: B2317-WIPER HI/LOW CONTROL CIRCUIT LOW?

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. WIPER HI/LOW RELAY
Turn the ignition off.
Install a substitute relay in place of the Wiper Hi/Low Relay.
Turn the ignition on.
With the Scan Tool, read the DTC's.

Q: Does the Scan Tool read: B2317-WIPER HI/LOW CONTROL CIRCUIT LOW?

YES: Go To 3
NO: Replace the Wiper Hi/Low Relay. Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test

3. FRONT CONTROL MODULE




Turn the ignition off.
Remove the Wiper Hi/Low Relay.
Disconnect the FCM C3 harness connector.
Measure the resistance between ground and the Wiper Hi/Low Relay Control circuit in the PDC.

Q: Is the resistance below 5.0 ohms?

YES: Replace the Power Distribution Center. 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