Description & Operation: Notes
WARNING:
Because of Supplemental Inflatable Restraint (SIR) system, before any repairs are performed, disconnect and shield battery ground. Because system has ability to retain voltage, remove SIR fuse and disconnect Yellow SIR connector at base of steering column. Wait 15 minutes before beginning service. All connectors used on SIR system use Connector Position Assurance (CPA) clips to ensure connector retention. Even if system is disconnected, use caution when working near steering column.
CAUTION:
When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES article in the GENERAL INFORMATION section before disconnecting battery.
Cruise control system operates a mechanical linkage to throttle by means of a vacuum motor. A solenoid driven valve connects vacuum motor to a vacuum tank. A vent solenoid vents vacuum when brake and/or clutch pedal (on M/T models) is depressed, or when cruise switch is turned to OFF position. Cruise control module controls a vacuum motor and throttle by pulsing solenoid valves on and off.
Cruise control module monitors vehicle speed, disengage, cruise ON, SET and RESUME/ACCELERATE (R/A) inputs to determine control of vent and vacuum control solenoids. When Acceleration Slip Regulation (ASR) is active, cruise control is switched OFF.