Diagnostic Routine P

Diagnostic Routine P

Diagnostic Overview

The Turn Signal Function Is Inoperative

Refer to Wiring Diagram Set 90, Turn Signal/Stop/Hazard Lamps for schematic and connector information. Diagrams By Number

Normal Operation and Fault Conditions

REFER to Turn Signals Turn Signal and Hazard Lamps.

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?