CHECK HARNESS.

1) 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.

Connector & terminal

Except for KA model

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

KA model

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

QUESTION

Is the resistance less than 10 Ω?

Yes No

Repair the harness between the body integrated unit and wiper switch.