Diesel Data: Automotive Repair

Test T: The Cruise Control Indicator Is Never/Always on

PINPOINT TEST T: THE CRUISE CONTROL INDICATOR IS NEVER/ALWAYS ON


T1-T2:






T2-T3:






Normal Operation
The instrument cluster receives the speed control status from the speed control servo through circuit 203 (OG/LB). When the speed control is activated the lamp illuminates.

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