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DTC P0833: Clutch Released Switch Circuit: Testing

    NOTE: Clutch Pedal Position Switch may also be referred to as Clutch Upstop Switch.
  1. With the DRBIII®, monitor the Clutch Upstop Switch. Depress the Clutch Pedal completely to the floor and release all the way up several times. Did the Clutch Upstop Switch state change open to closed? If yes, go to next step. If no, go to step  3.
    2. WARNING: When the engine is operating, do not stand in a direct line with the fan. Do not put your hands near the pulleys, belts or fan. Do not wear loose clothing.
  2. The conditions that set the DTC are not present at this time. The following may help in identifying the intermittent condition. With the engine running at normal operating temperature, monitor the DRBIII® parameters related to the DTC while wiggling the wiring harness. Look for parameter values to change and/or a DTC to set. Review the DRBIII® Freeze Frame information. If possible, try to duplicate the conditions under which the DTC was set. Refer to any Technical Service Bulletins (TSB) that may apply. Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or partially broken wires. Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals. Were any of the above conditions present? If yes, repair as necessary. If no, test is complete.
  3. Disconnect the Clutch Pedal Position Switch harness connector. Connect a jumper wire between the Ground circuit and the Clutch Upstop Switch Signal circuit in the Clutch Pedal Position Switch harness connector. With the DRBIII®, monitor the Clutch Upstop Switch status. Did the Clutch Upstop Switch status change from Open to Closed? If yes, replace the Clutch Pedal Position Switch. If no, go to next step.
  4. Ensure the ignition is off. Disconnect the PCM C1 harness connector. Measure the resistance of the Clutch Upstop Switch Signal circuit in the Clutch Pedal Position Switch harness connector to ground. Is the resistance below 100 ohms? If yes, repair the Clutch Upstop Switch Signal circuit for a short to ground. If no, go to next step.
  5. Measure the resistance of the Clutch Upstop Switch Signal circuit between the Clutch Pedal Position Switch harness connector and the PCM C1 harness connector. Is the resistance below 5.0 ohms? If yes, go to next step. If no, repair the Clutch Upstop Switch Signal circuit for an open.
  6. Using a 12-volt test light connected to 12-volts, probe the ground circuit in the Clutch Pedal Position Switch harness connector. Does the test light illuminate brightly? If yes, go to next step. If no, repair the ground circuit for an open.
  7. There are no possible causes remaining, replace PCM. Program the new PCM. See PROGRAMMING .
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