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Home >> Mazda >> 1990 >> 929 Base >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Testing >> Anti-Lock Warning Light >> Operational Test (RX7)

Operational Test (RX7)

  1. Start engine, and observe ANTI-LOCK light. Light should illuminate for a few seconds. If light does not illuminate as described, remove clock and bezel assembly from dashboard. Slide warning and clock unit from instrument panel. Connect terminal "E" to ground. See Figure . ANTI-LOCK light should illuminate. If light does not illuminate, check bulb. If bulb is okay, check meter fuse and wiring harness.
  2. Install instrument cluster, and recheck warning light operation. If light still does not illuminate for a few seconds, check wiring harness between ANTI-LOCK light and control unit, and ANTI-LOCK light and hydraulic unit. Check operation of hydraulic unit valve relay.
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