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Home >> Buick >> 1988 >> Reatta >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Functional Check >> Chart B1 Ignition Enable Circuit >> Diagnostic Aids

Diagnostic Aids

Failure of EBCM to receive an ignition enable input will prevent EBCM from becoming initialized. The ANTI-LOCK light will remain on continuously and no ABS operation will be available. This condition may be caused by a blown EBCM fuse, a short to ground on circuit No. 39 or an open in circuits No. 39 or 3.

Fig 1: Ignition Enable Circuit Schematic
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Fig 2: Flow Chart B1, Ignition Enable Circuit
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Fig 3: Flow Chart B1, Ignition Enable Circuit
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