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Pinpoint Test G: DTC P0833 - Clutch Pedal Switch B Circuit - Gasoline

WARNING: This page is about a different car, the 2007 Ford Pickup, 2007 Ford F550 Super Duty, 2007 Ford F450 Super Duty, and 2007 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. G1 CHECK THE CPP SWITCH 
    • Key in OFF position.
    • Disconnect: PCM C175b
    • While pressing and releasing the clutch pedal, measure the resistance between the PCM C175b-32, circuit 306 (TN/LB), harness side and ground.
      • Fig 1: Checking Continuity Between Connector And Ground
      G03924168Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms with the clutch pedal pressed, and less than 5 ohms with the clutch pedal released? 
    1. YES  : Go to  G5.
    2. NO  : Go to  G2.
  2. G2 CHECK CIRCUIT 306 (TN/LB) FOR AN OPEN 
    • Disconnect: CPP Switch C257
    • Measure the resistance between the PCM C175b-32, circuit 306 (TN/LB), harness side and the CPP switch C257-4, circuit 306 (TN/LB), harness side.
      • Fig 2: Checking Circuit 306 (TN/LB) For Open
      GF0007693Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    1. YES  : Go to  G3.
    2. NO  : REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test.
  3. G3 CHECK CIRCUIT 570 (BK/WH) FOR AN OPEN 
    • Measure the resistance between the CPP switch C257-3, circuit 570 (BK/WH), harness side and ground.
      • Fig 3: Checking Circuit 570 (BK/WH) For An Open
      GF0004246Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    1. YES  : Go to  G4.
    2. NO  : REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test.
  4. G4 CHECK CIRCUIT 306 (TN/LB) FOR A SHORT TO GROUND 
    • Measure the resistance between the PCM C175b-32, circuit 306 (TN/LB), harness side and ground.
      • Fig 4: Checking Circuit 306 (TN/LB) For Short To Ground
      G03924168Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms? 
    1. YES  : INSTALL a new CPP switch. CLEAR the DTCs. REPEAT the self-test.
    2. NO  : REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test.
  5. G5 CHECK FOR CORRECT PCM OPERATION 
    • Disconnect all the PCM connectors.
    • Check for:
      • corrosion
      • pushed-out pins
    • Connect all the PCM connectors and make sure they are seated correctly.
    • Operate the system and verify the concern is still present.
    • Is the concern still present? 
    1. YES  : INSTALL a new PCM. REFER to ELECTRONIC ENGINE CONTROLS - GASOLINE ENGINES article. CLEAR the DTCs. REPEAT the self-test.
    2. NO  : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.
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