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Symptom: *CHECKING SPEED CONTROL OPERATION WITH NO DTC’S POSSIBLE CAUSES S/C SW SIGNAL CIRCUIT TO CLOCKSPRING CONNECTOR OPEN GROUND CIRCUIT AT S/C SERVO CONNECTOR OPEN GROUND CIRCUIT TO S/C RESUME/ACCEL SWITCH CONNECTOR OPEN DRBIII t DOES NOT SHOW SET SWITCH 9PRESSED9 OR RELEASED S/C WIRING HARNESS OBSERVABLE PROBLEM CANCEL SWITCH COAST SWITCH THROTTLE CABLE OBSERVABLE PROBLEM THROTTLE OPENS AND CLOSES SPEED CONTROL ON/OFF SWITCH STUCK SPEED CONTROL RESUME/ACCEL SWITCH SPEED CONTROL RESUME/ACCEL SWITCH STUCK TEST ACTION APPLICABILITY 1 Turn the ignition on. t in Inputs/Outputs, read the Speed Control Switch state. While observing the display, press the Brake Pedal several times. t show Brake Switch 9pressed9 and 9released9? All Yes → No → 2 Turn the ignition on. t in Inputs/Outputs, read the Speed Control Switch state. While observing the display, press the On/Off Switch several times. t show On/Off Switch 9pressed9 and 9released9? All Yes → No → 3 Turn the ignition off. All Yes → Repair as necessary. No → 232 SPEED CONTROL |