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Home >> Mazda >> 2004 >> MPV LX >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Symptom Troubleshooting [Engine Control System AJ] >> Engine Control System Operation Inspection >> Spark Test
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Spark Test

  1. Disconnect the fuel pump relay.
  2. Verify that each high-tension lead and connector is connected properly.
  3. Inspect the ignition system in the following procedure.
WARNING:
  • High voltage in the ignition system can cause strong electrical shock which can result in serious injury. Avoid direct contact to the vehicle body during the following spark test.
    Fig 1: Inspecting Ignition System (Spark Test)
    G00993676Courtesy of MAZDA MOTORS CORP.