CHECK HARNESS.

1) Turn the ignition switch to OFF, disconnect the ground cable from battery.

2) Disconnect the connector of body integrated unit.

3) Disconnect the connector from wiper switch.

4) Measure the resistance between body integrated unit and wiper switch, and between wiper switch and chassis ground.

Connector & terminal

Except for KA model

(B281) No. 18 — (B70) No. 10:
(B281) No. 27 — (B70) No. 13:
(B281) No. 28 — (B70) No. 12:
(B70) No. 8 — Chassis ground:

KA model

(B281) No. 18 — (B70) No. 18:
(B281) No. 27 — (B70) No. 15:
(B281) No. 28 — (B70) No. 16:
(B70) No. 2 — Chassis ground:

QUESTION

Is the resistance less than 10 Ω?

Yes No

Repair the harness between body integrated unit and wiper switch, and between wiper switch and chassis ground.