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Home >> Lexus >> 1999 >> LS 400 >> Repair and Diagnosis >> Accessories & Equipment >> Wiper/Washer Systems >> Component Tests >> Wiper/Washer Switch >> Continuity Test

Continuity Test

Disconnect 18-pin combination (wiper/washer) switch connector. Check for continuity between specified wiper/washer switch terminals with switch in specified position. See WIPER/WASHER SWITCH CONTINUITY  table. See Fig 1. If continuity is not as specified, replace combination (wiper/washer) switch.

WIPER/WASHER SWITCH CONTINUITY

Switch Position Check Continuity Between Terminals No.
Wiper Off
Mist Off (1) 7 & 16
Mist On (2) 7 & 17
Wiper Intermittent
Mist Off (1) 2 & 4; 7 & 16
Mist On (2) 2 & 4; 7 & 17
Wiper Low 7 & 17
Wiper High 1 & 2; 8 & 17
Washer
Off (3)
On 2 & 11
(1) Lever in normal position.
(2) Pull lever forward.
(3) No continuity between terminals No. 2 and 11.
Fig 1: Identifying Combination (Wiper/Washer) Switch Terminals
G96A07643Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002