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Electrical Test (2.2L Turbo Diesel Models)

WARNING: This page is about a different variant/trim than selected.
  1. Move ignition key to the "OFF/LOCK" position and remove key.
  2. Set park brake.
  3. Disconnect the clutch interlock/upstop switch connector.
  4. Using an ohmmeter, check for continuity between terminals 1 AND 2 with the upstop switch depressed (clutch pedal at rest). The ohmmeter should show continuity (0 ohms).
  5. Depress the clutch pedal at least 33 mm (1.30 in.) and check for continuity between terminals 1 AND 2. There should be no continuity between the terminals (open circuit).
  6. If ohmmeter readings do not fall within these ranges, the switch assembly is defective and should be replaced. If the switch tests ok, wiring is defective. Refer to SYSTEM WIRING DIAGRAMS .
SERVICE DIAGNOSIS - CLUTCH INTERLOCK/UPSTOP SWITCH

CONDITION  POSSIBLE CAUSES  CORRECTION 
ENGINE STARTER WON'T CRANK WHEN CLUTCH PEDAL IS PRESSED TO THE FLOOR LHD - Clutch interlock switch does not have continuity when plunger is depressed 1.25 mm (1.30 in.). Defective switch or open wiring circuit. Replace switch if necessary.
RHD - Clutch interlock switch does not have continuity when plunger is fully depressed when removed from the pedal pin. Defective pedal bracket assembly or defective switch.
Interlock switch plunger is not depressed when clutch pedal is pushed to the floor Floor mat interferes with clutch pedal movement, clutch pedal bracket is bent, or the push rod/bushing is not properly installed.
Problem is related to other components in the starting circuit. Check other components in the starting circuit. Refer to BATTERY SYSTEM , CHARGING - SERVICE INFORMATION or STARTING - SERVICE INFORMATION .
SPEED CONTROL DOES NOT TERMINATE WHEN CLUTCH PEDAL IS DEPRESSED 2.2L TD Models: Upstop switch circuit is closed when clutch pedal is depressed, or harness is shorted. Refer to SWITCH, CLUTCH STARTER INTERLOCK AND UPSTOP . Repair wiring or replace upstop switch assembly as necessary.
2.4L Models: Speed control system failure. Refer to SPEED CONTROL - SERVICE INFORMATION for further diagnosis and testing procedures.
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