1997 Isuzu Oasis LSFACTORY OEM SERVICE PROCEDURE

Master Switch Test

Remove power window master switch. See MASTER POWER WINDOW SWITCH  under REMOVAL & INSTALLATION. Using an ohmmeter, check resistance of switch terminals with switch in indicated positions. If continuity is not as specified, replace switch. SeeFigure . See POWER WINDOW MASTER SWITCH TEST  .

POWER WINDOW MASTER SWITCH TEST (1)

Position Main Switch Pin Continuity
Left Front Switch N/A (2)
Right Front Switch
Off On A10, A12 & B2
Off Off A10 & A12
Up On A1 & A12; A10 & B2
Up Off A1 & A12
Down On A1 & A10; A12 & B2
Down Off A1 & A10
Right Rear Switch
Off On A9, A11 & B2
Off Off A9 & A11
Up On A2 & A11; A9 & B2
Up Off A2 & A11
Down On A2 & A9; A11 & B2
Down Off A2 & A9
Left Rear Switch
Off On A13, A15 & B2
Off Off A13 & A15
Up On A6 & A15; A13 & B2
Up Off A6 & A15
Down On A6 & A13; A15 & B2
Down Off A6 & A13
(1) For terminal identification, seeFigure .
(2) See SWITCH INPUT TEST. SeeFigure .
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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.