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Home >> Mazda >> 2004 >> B4000 Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 162 (Symptom Troubleshooting [Engine Control System (AJ)) >> Engine Control System Operation Inspection >> Spark Test
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Spark Test

WARNING: This page is about a different car, the 2004 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
  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: Ignition System Troubleshooting (Steps 1-3)
G01025718Courtesy of MAZDA MOTORS CORP.
Fig 2: Ignition System Troubleshooting (Steps 4-6)
G01025719Courtesy of MAZDA MOTORS CORP.