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

KF - Testing Schematic

Fan Control Diagram:




Fan Control Diagram:






BOTH FANS OFF
LFC Pin 35 ON
HFC Pin 31 OFF

LOW SPEED FAN ON
LFC Pin 35 OFF
HFC Pin 31 OFF

HIGH SPEED FAN ON
LFC pin 35 ON
HFC pin 31 ON

NOTE: "ON" indicates the Powertrain Control Module is grounding the circuit.