Diagnostic Test

Turn the ignition off.

Replace the Wiper ON/OFF relay with and known good relay.

With the Scan Tool, clear all FCM DTC's.

Turn the Wipers ON then OFF.

With the Scan Tool, read the Wiper DTC's.

Does the Scan Tool read: B2315-WIPER ON/OFF CONTROL CIRCUIT OPEN? 

Yes 

1. Replace the Integrated Power Module in accordance with the service information.
2. Perform BODY VERIFICATION TEST - VER 1 .

No 

1. Test complete.
2. Perform BODY VERIFICATION TEST - VER 1 .