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Test No. 5, Power Window Master Switch Circuit

Remove master switch. Check for continuity between specified terminals of master switch. See Fig 1. See MASTER SWITCH TEST table. If continuity is not as specified, replace master switch. If continuity is as specified, repair or replace wiring harness between power window master switch and driver's door ECU.

MASTER SWITCH TEST

Window Switch Terminals No.
Driver's Switch
Off (Neutral) (1)
Up Auto 3, 5 & 10
Up Auto 3 & 10
Down 5, 9 & 10
(1) Continuity should not exist between any terminals.
Fig 1: Identifying Master Switch Terminals
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