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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?