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Master Switch Test

Remove master switch. Check for continuity between specified terminals of master switch. See Fig 1. See appropriate MASTER SWITCH TEST  table. If continuity is not as specified, replace master switch.

MASTER SWITCH TEST

Window Switch & Position Window Lock Switch Position Terminal Present
Driver's Switch
Off (Neutral) (1) 4, 8 & 10
Up (1) 4 & 9; 8 & 10
Down (1) 4 & 8; 9 & 10
Right Front Switch
Off (Neutral) Unlock 3, 7 & 8
" Lock 3 & 7
Up Unlock 3 & 8; 7 & 9
" Lock 7 & 9
Down Unlock 3 & 9; 7 & 8
" Lock 3 & 9
Left Rear Switch
Off (Neutral) Unlock 5, 6 & 8
" Lock 5 & 6
Up Unlock 5 & 9; 6 & 8
" Lock 5 & 9
Down Unlock 5 & 8; 6 & 9
" Lock 6 & 9
Right Rear Switch
Off (Neutral) Unlock 8, 11 & 12
" Lock 11 & 12
Up Unlock 8 & 11; 9 & 12
" Lock 9 & 12
Down Unlock 8 & 12; 9 & 11
" Lock 9 & 11
(1) Position does not affect driver's switch.
Fig 1: Identifying Master Switch Terminals (LS400)
G93F83969Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002