Initial Inspection and Diagnostic Overview

Special Service Tool(s):

Special Tool(s)

1. Verify the customer concern by operating the backup lamps.
2. Visually inspect for obvious signs of mechanical and electrical damage.

VISUAL INSPECTION CHART

Electrical
^ Blown fuse(s)
^ Damaged wiring harness
^ Loose or corroded connections
^ Damaged backup lamp
^ Digital Transmission Range (DTR) sensor

3. If the concern is not visually evident, determine the symptom and proceed to the symptom chart. Symptom Related Diagnostic Procedures