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Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 38 (Automatic Transmission - Diagnosis [La4A-El]) >> Circuit Tests >> O/D Off Indicator Light >> Always On

Always On

WARNING: This page is about a different car, the 2002 Mazda 626 and 2001 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition on. Cycle O/D OFF switch. If O/D OFF indicator light does not cycle on and off, go to next step. If O/D OFF indicator light cycles on and off, fault may be intermittent. Connect scan tool to DLC. Access O/D OFF switch PID. Perform wiggle test of O/D OFF switch circuit harness and connectors while observing scan tool. If O/D OFF switch PID changes abruptly, inspect and repair circuits or replace components as needed.
  2. Turn ignition off. Disconnect 104-pin PCM harness connector. Inspect pins for damage and repair if necessary. Turn ignition on. If O/D OFF indicator light turns off, replace PCM. See POWERTRAIN CONTROL MODULE  under REMOVAL & INSTALLATION. If O/D OFF indicator light remains on, repair O/D OFF light circuit for short to ground.
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