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

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Test P

PINPOINT TEST P: THE REAR WIPER IS INOPERATIVE


Test P1:






Test P2-P4:






Test P5-P7:






Normal Operation
Under normal operation the rear wiper motor receives power through circuit 406 (BN/WH) and circuit 1002 (BK/PK). The rear wiper motor is grounded through circuits 1203 (BK/LB) and 1205 (BK). The rear wiper motor receives open and ground inputs from the multifunction switch through circuits 410 (WH/OG) and 411 (BK/LB) to activate the wiper to the appropriate speeds.

Possible Causes
- Open in circuits 410 (WH/OG), 411 (BK/LB), 406 (BN/WH), 1002 (BK/PK), 1203 (BK/LB) or 1205 (BK).
- Inoperative rear wiper motor.
- Inoperative multifunction switch.