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)

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Signal Buffer System




SYSTEM

SIGNAL BUFFER SYSTEM : System Description


SYSTEM DIAGRAM







DESCRIPTION

- IPDM E/R receives the rear window defogger control signal from BCM via CAN communication and transmits the rear window defogger status signal to VCM via CAN communication. Refer to "System Description" System Description.
- IPDM E/R reads the hood switch and transmits the hood switch signal to BCM via CAN communication.
Refer to "VEHICLE SECURITY SYSTEM : System Description (For Canada)" System Description (For Canada) (For Canada).