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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

Wiper Switch Position Check Continuity Between Terminals No.
OFF
Mist OFF (1) 7 & 16
Mist ON (2) 7 & 17
INT
Mist OFF(1) 2 & 4; 7 & 16
Mist ON (2) 2 & 4; 7 & 17
LO 7 & 17
HI 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