Operational Test
- Start engine and observe ABS warning light. Light should illuminate for a few seconds. If light does not illuminate as described, disconnect ABS control unit connector. Using a jumper wire, connect terminal 1V (Green/Orange wire) of ABS control unit connector to ground. See Figure
. Turn ignition on.
- If ABS warning light illuminates, inspect ABS control unit. If light does not illuminate, remove instrument cluster. Remove and check ABS warning light bulb. Replace bulb if necessary. If bulb is okay, go to next step.
- Using a DVOM, connect positive lead to terminal 2D (Black/Yellow wire) of instrument cluster and negative lead to terminal 1B (Green/Orange wire) of instrument cluster. See Fig 1
. If continuity is not present, replace instrument cluster. If continuity is present, repair wiring harness between instrument cluster and ABS control unit.
Courtesy of MAZDA MOTORS CORP.