Pinpoint Test R: The Speed Control Indicator Is Never/Always On
WARNING: This page is about a different car, the 2006 Mercury Montego, 2006 Ford Freestyle, and 2006 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.
- R1 CHECK THE SPEED CONTROL OPERATION
- Test drive the vehicle and operate the speed control.
- Does the speed control operate correctly?
Yes: GO to R2.
No: REFER to SPEED CONTROL to continue diagnosis of the speed control system.
- R2 CARRY OUT THE INSTRUMENT CLUSTER SPEED CONTROL ACTIVE COMMAND USING THE DIAGNOSTIC TOOL
- Enter the following diagnostic mode on the scan tool: Instrument Cluster Active Command.
- Select the instrument cluster warning lamps and chime active command. Trigger the all lamps active command on and off. Observe the speed control indicator.
- Does the speed control indicator illuminate when triggered on and turn off when triggered off?
Yes: GO to R3.
No: GO to R4.
- R3 CHECK FOR CORRECT PCM OPERATION
- Disconnect all the PCM connectors.
- Check for:
- corrosion
- pushed-out pins
- Connect all the PCM connectors and make sure they seat correctly.
- Operate the system and verify the concern is still present.
- Is the concern still present?
Yes: INSTALL a new PCM. REFER to INSTALLATION . TEST the system for normal operation.
No: The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.
- R4 CHECK FOR CORRECT INSTRUMENT CLUSTER OPERATION
- Disconnect the instrument cluster connector.
- Check for:
- corrosion
- pushed-out pins
- Connect the instrument cluster connector and make sure it seats correctly.
- Operate the system and verify the concern is still present.
- Is the concern still present?
Yes: INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER . TEST the system for normal operation.
No: The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.