Diagnostic Test

CHECK FOR AN ACTIVE DIAGNOSTIC TROUBLE CODE (DTC)
1. Turn the ignition on.
2. Actuate the Optical Horn with the Multifunction Switch.
3. Using the scan tool, read DTCs.
  Does the scan tool display this DTC as Active?
  
  Yes
  - Replace the Multifunction Switch in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Test complete.