Test O: The Speed Control Indicator Is Never On

PINPOINT TEST O: THE SPEED CONTROL INDICATOR IS NEVER ON

O1:

O2-O4:

Normal Operation
When the speed control is active, the PCM provides a ground on circuit 203 (OG/LB) to the instrument cluster to illuminate the speed control indicator.

Possible Causes
- circuit 203 (OG/LB) open
- speed control servo
- instrument cluster