Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

D4 - Check Interval Select Input Signal



^ Rotate interval control on the wiper switch from "S" to "F".

^ Measure resistance between circuits 590 (DB/W) and 993 (BR/W).

^ Is resistance 3.3k-103.3k ohms?

YES -- Replace wiper control module,

NO -- Go to D5. D5 - Check Interval Select Input Signal at Wiper Switch