2004 Honda S2000 L4-2.2LFACTORY OEM SERVICE PROCEDURE

Master Switch Test/Replacement

Master Switch Test

1. Remove the driver's door panel.

Factory service manual diagram



2. Disconnect the 14P connector from the power window master switch.
3. Check the power window master switch for continuity between the terminals in each switch position according to the table.

Driver's Switch

NOTE: The driver's switch is combined with the control unit so you cannot isolate the switch to test it. Instead, run the master switch input test procedures.

Factory service manual diagram



Passenger's Switch

4. If the continuity is not as specified, replace the switch.

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

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

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