2021 Mazda CX-3 AWDFACTORY OEM SERVICE PROCEDURE

IG-OFF Timer Function Inspection

BASIC POWER WINDOW SYSTEM INSPECTION (POWER WINDOW SYSTEM) DIAGNOSTIC PROCEDURE

Step Inspection Action
1
  • Close all doors.
  • Switch the ignition from ON (engine off or on) to off.
  • Operate the power window main switch within 40 s after switching the ignition to off.
  • Does the power window operate?
 Yes Go to the next step.
No
  • Inspect the door switches and related wiring harness.
  • If above parts are okay, replace the power window main switch, then go to the next step.
  • If above parts are incorrect repair or replace malfunction part(s), then go to the next step.
2
  • Open any door.
  • Switch the ignition from ON (engine off or on) to off.
  • Operate the power window main switch within 40 s after switching the ignition to off.
  • Does the power window operate?
 Yes
  • Inspect the door switches and related wiring harness.
  • If above parts are okay, replace the power window main switch, then go to the next step.
  • If above parts are incorrect repair or replace malfunction part(s), then go to the next step.
No Go to the next step.
3
  • Close all doors.
  • Switch the ignition from ON (engine off or on) to off.
  • Operate the power window main switch within 60 s after switching the ignition to off.
  • Does the power window operate?
 Yes Replace the power window main switch (power window control unit is malfunctioning.)
No
  • IG-OFF timer function operation is normal.
  • Perform the auto reverse pinch protection function inspection.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.