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Home >> Audi >> 1990 >> 100 Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Ignition Checks >> Cis-E III >> Primary Resistance

Primary Resistance

  1. On version one, disconnect ignition coil power stage connector and ignition coil wire. See Figure . On version 2, disconnect ignition coil power stage connector and remove screw from top of assembly. See Fig 1 .
  2. On both versions, connect Multimeter (US 1119) between terminals No. 1 and 15. See Fig 2 and Fig 3 . Reading should be .5-1.5 ohms. If reading is not as specified, replace ignition coil.
  3. If secondary and primary resistance values are within specification but there is no ignition, replace ignition coil and power stage as an assembly.
Fig 1: Ignition Coil & Power Stage (Version 2)
G61292Courtesy of AUDI OF AMERICA, INC.
Fig 2: Ignition Coil Terminal Locations (Version 1)
G61295Courtesy of AUDI OF AMERICA, INC.
Fig 3: Ignition Coil Terminal Locations (Version 2)
G61294Courtesy of AUDI OF AMERICA, INC.
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