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Circuit Open/Short Inspection

  1. Remove the PCM. See POWERTRAIN CONTROL MODULE .
  2. Connect the SST  (104 Pin Breakout Box) to the PCM as shown.
    Fig 1: Installing Breakout Box
    G01187073Courtesy of MAZDA MOTORS CORP.
  3. Tighten the connector attaching screw.

    Tightening Torque 

    7.9-10.7 N.m 

    (80-110 kgf.cm, 69.5-95.4 in. lbf) 

  4. Inspect for an open or short circuit in the following wiring harnesses by probing the applicable sensor and SST  (104 Pin Breakout Box) terminals with ohmmeter leads.
    • If there is an open or short circuit, repair or replace wiring harnesses.
    • If there is no open or short circuit, replace the clutch switch.
    Fig 2: Identifying Clutch Switch Terminals
    G01187074Courtesy of MAZDA MOTORS CORP.

    Open circuit.

    • Signal circuit (Clutch switch connector terminal B and PCM connector terminal 6 through common connector)
    • GND circuit (Clutch switch connector terminal A and GND)

    Short circuit.

    • Signal circuit (Clutch switch connector terminal B and PCM connector terminal 6 through common connector to GND)

  5. Install the clutch switch.