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Diagnostic Routine U




Diagnostic Routine U

Diagnostic Overview

An Individual Ambient Light Is Inoperative or Does Not Change Color

Refer to Wiring Diagram Set 89 for schematic and connector information Electrical Diagrams.

Normal Operation and Fault Conditions

REFER to Ambient Lighting .

Visual Inspection and Diagnostic Pre-checks

- Inspect the ambient LED (Light-emitting Diode) for damage.

Pinpoint Test

1. CHECK FOR VOLTAGE TO THE LED (Light-emitting Diode)

1. Ignition OFF.

2. Disconnect: Inoperative Ambient Lighting LED (Light-emitting Diode).

3. Ignition ON.

4. Turn the parking lamps on.

5. Measure:





Is the voltage greater than 11 volts?







2. CHECK THE LED (Light-emitting Diode) GROUND CIRCUIT FOR AN OPEN

1. Measure:





Is the voltage greater than 11 volts?







3. CHECK THE AMBIENT LIGHTING LIN (Local Interconnect Network) CIRCUIT FOR AN OPEN

1. Ignition OFF.

2. Turn the parking lamps off.

3. Disconnect: Overhead Console

4. Measure:





Is the resistance less than 3 ohms?






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