Input Switch Inspection
Connect scan tool or voltmeter to data link connector. See RETRIEVING DIAGNOSTIC TROUBLE CODES . Turn ignition on and place SET switch in ON position. Turn speed control main switch to ON position and within one second turn RESUME switch on. Operate each switch listed in INPUT SWITCH INSPECTION and record code.
INPUT SWITCH INSPECTION
| Code | Switch Operation | ECM Judgment |
|---|---|---|
| 21 | SET Switch On | SET Switch Is On |
| 22 | RESUME Switch On | RESUME Switch Is On |
| 23 | Brake Depressed | Brake Switch Is On |
| 24 | Vehicle Speed Signal | Speed Above 40 MPH |
| 25 | Vehicle Speed Signal | Speed Below 40 MPH |
| 26 | Clutch Depressed | Clutch Switch Is On |
| 26 | Gear Selector In N | P/N Switch Is On |
| 27 | CANCEL Switch On | CANCEL Switch Is On |
| 28 | TP Sensor Signal | TP Voltage Above 1.5 Volts |
| 29 | Closed TP Switch | Closed TP Switch Off |