Operational Test (Miata)
- Start engine, and observe ABS warning light. Light should illuminate for a few seconds. If light does not illuminate as described, remove instrument cluster. Connect 12 volts to terminal 2K (Black/Yellow wire) of instrument cluster. See Fig 1
. Using a jumper wire, connect terminal 1K (Blue/Yellow wire) of instrument cluster to ground. ABS warning light should illuminate. If light does not illuminate, check bulb. If bulb is okay, check METER fuse and wiring harness. Repair or replace if necessary.
- Install instrument cluster, and recheck warning light operation. If light still does not illuminate for a few seconds, check wiring harness between ABS warning light and control unit, and between ABS warning light and hydraulic unit. Repair or replace if necessary.
Courtesy of MAZDA MOTORS CORP.