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Home >> Isuzu >> 1993 >> Stylus Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests - EFI >> Ignition System >> Timing Control Systems >> Electronic Spark Timing (EST)
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Electronic Spark Timing (EST)

  1. To check system operation, check timing at 1500 RPM with ALDL ungrounded. Locate ALDL connector.
  2. ALDL is located behind right side of instrument panel. See Fig 1 .
  3. Install jumper wire between terminals No. 1 and 3 of ALDL connector. See Fig 1 . Note timing at 1500 RPM. If timing changes, system is operating correctly.
Fig 1: Locating ALDL Connector (Rodeo 3.2L, Stylus & Trooper)
G92I27225Courtesy of ISUZU MOTOR CO.
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