Bulb - Diagnose Failure Warning Light Illuminated: Overview

Bulb Failure Warning - Manual Diagnosis Procedure

MODEL
Sedan Range

DATE
5/92



86-110



ISSUE:

Bulb failure warning light is illuminated when there is no visible external bulb failure.

ACTION:

Use the diagnostic chart when diagnosing this problem.


NOTE:
This procedure will only work when a fault is present. The bulb failure warning system will not store an intermittent fault.

The high mounted brake light is not monitored by the bulb failure warning system.


Wire Color Information

KS - Pink/Slate
KG - Pink/Green
KR - Pink/Red
KY - Pink/Yellow
KU - Pink/Blue
BK - Black/Pink

For connector location, use JDS Connector Information.


NOTE:
Always check bulb failure grounds for clean/tight connections.

Always check the bulb sockets for corrosion and deformation, which would result in poor contact.

Replace any side markers, directionals, etc. which show signs of rubber sealing boot cracking. This can result in water entry and lead to intermittent faults.