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

Test Q

PINPOINT TEST Q: THE WIPERS STAY ON CONTINUOUSLY


Test Q1-Q3:






Test Q4-Q5:






Normal Operation
Under normal operation the front wiper motor receives open and ground inputs from the multifunction switch through circuits 671 (LB), 680 (LB/OG), 682 (DB) and 684 (PK/YE) to activate the wipers to the appropriate speeds.

Possible Causes
- Short to ground in circuits 682 (DB), 680 (LB/OG), 684 (PK/YE) or 671 (LB).
- Open in circuit 1302 (WH/LG).
- Inoperative front wiper motor.
- Inoperative multifunction switch.