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Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Basic Diagnostic Procedures >> Ignition Checks >> Except B2300, B3000, B4000 & Tribute >> Ignition Coil Resistance (626)

Ignition Coil Resistance (626)

  1. Disconnect ignition coil harness connector. Using ohmmeter, on 2.0L, measure primary resistance between ignition coil terminals "A" and "B" and terminals "B" and "C". On 2.5L, measure between terminals "A" and "D", "B" and "D" and "C" and "D". See Fig 1 or Fig 2 . Resistance should be as specified. See IGNITION COIL RESISTANCE  table. If resistance is not as specified, replace ignition coil.
  2. Disconnect high tension leads. Using an ohmmeter, on 2.0L, measure secondary resistance between coil towers No. 1 and 4 and towers No. 2 and 3. On 2.5L, measure secondary resistance between coil towers No. 1 and 4, towers No. 2 and 5 and towers No. 3 and 6. See Fig 1 or Fig 2 . Resistance should be as specified. See IGNITION COIL RESISTANCE  table. If resistance is not as specified, replace ignition coil.
  3. Measure resistance between terminal "B" (2.0L) or "D" (2.5L) and coil case. Resistance should be more than 10-megohms. If resistance is not as specified, replace coil.
Fig 1: Checking Primary Coil Winding Resistance (626 2.0L)
G00032306Courtesy of MAZDA MOTORS CORP.
Fig 2: Checking Primary Coil Winding Resistance (626 2.5L)
G00032307Courtesy of MAZDA MOTORS CORP.
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