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Home >> Mazda >> 1995 >> 929 >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Anti-Theft System >> System Testing >> System Diagnostic >> Test No. 2

Test No. 2

  1. Remove key from ignition switch. Open any door. Disconnect CPU 20-pin connector. SeeFigure . Ground terminal 2M (Red/Green wire) of CPU 20-pin connector. If security light does not illuminate, go to next step. If security light illuminates, replace CPU.
  2. Remove instrument cluster. Measure voltage at terminal 1I (Blue/Red wire) of instrument cluster connector No. 1 (White, 14-pin connector). SeeFigure . If battery voltage exists, go to next step. If battery voltage does not exist, repair wiring between ROOM fuse and instrument cluster.
  3. Measure voltage at terminal 1H (Red/Green wire) of instrument cluster connector No. 1. If battery voltage exists, repair wiring between instrument cluster and CPU. If battery voltage does not exist, replace security light.
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