B Series Truck 2WD L4-2184cc 2.2L 2200 2-bbl (1990)
Cruise Control: Testing and Inspection
System Diagnosis
Fig. 26 Main Switch Test
Fig. 28 Cruise Control Unit Voltage Test
1.
Turn ignition switch then the cruise main switch to the On position.
2.
Ensure main switch indicator lamp illuminates. If lamp does not illuminate, proceed to step 3. If lamp illuminates proceed to step 4.
3.
Check continuity between terminals of cruise control main switch, Fig. 26. If switch operates correctly, repair wire harness.
4.
Measure voltage at following terminals of the control unit, Fig. 28. If terminal voltage are correct, replace cruise control unit.
5.
Disconnect cruise stop lamp and clutch switches and ensure continuity exists between terminals only with pedal depressed.
6.
If switches operate correctly, repair wiring to switches.
