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Circuit Open/Short Inspection

Fig 1: Identifying Neutral Switch Terminals
G00972598Courtesy of MAZDA MOTORS CORP.
  1. Disconnect the PCM connector.
  2. Inspect the following wiring harness for an open or short circuit. (Continuity inspection)
  1. Open circuit 
    • If there is no continuity in the following wiring harnesses, there is an open circuit. Repair or replace the wiring harness.
      • Neutral switch terminal A and PCM terminal 1S
      • Neutral switch terminal B and body GND
  1. Short circuit 
    • If there is continuity in the following wiring harnesses, there is a short circuit. Repair or replace the wiring harness.
      • Neutral switch terminal B and GND