Diagnostic Routine P
Diagnostic Routine P
Diagnostic Overview
The Turn Signal Function Is Inoperative
Refer to Wiring Diagram Set 90 for schematic and connector information Electrical Diagrams.
Normal Operation and Fault Conditions
REFER to Turn Signals .
Visual Inspection and Diagnostic Pre-checks
- Inspect the turn lamp bulbs and make sure they are OK.
- Inspect the multifunction switch for damage.
Pinpoint Test
1. CHECK THE COMMUNICATION NETWORK
1. Ignition ON.
2. Using a scan tool, perform the network test.
Does the SCCM (Steering Column Control Module) pass the network test?