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 Steps Description

CF1 - Check Fuses
CF2 - Check System
CF3 - Check For Power Short To Ground
CF4 - Check Cooling Fan Relay Supply
CF5 - Check Cooling Fan Relay Supply
CF6 - Check Cooling Fan Relay
CF7 - Check (High Speed) Cooling Fan Relay #2(ATX)
CF8 - Check Lead Between Low Speed Cooling Fan Relay #1 And The Resistor(ATX)
CF9 - Check Cooling Fan Supply Lead (ATX)
CF10 - Check Cooling Fan Supply Lead (MTX)
CF11 - Check Cooling Fan Ground
CF12 - Check Cooling Fan
CF13 - Check Resistor (ATX)
CF14 - Check The Leads between Relay And ECA, Test Connector, Condenser Fan Relay, And The Cooling Fan Temperature Switch
CF15 - Check The Leads Between The (High Speed) Cooling Fan Relay #2 And The ECA, Condenser Fan Relay, Test Connector, And The High Speed Cooling Fan Temp. Switch (ATX)
CF16 - Check Cooling Fan Temp Switch (MTX)
CF17 - Check High And Low Speed Cooling Fan Tamp Switches (ATX)
CF18 - Check Cooling Fan Motor Ground (LX only)
CF19 - Check Cooling Fan Motor Operation
CF20 - Check Leads Between Cooling Fan Motor And The Integrated Relay Control Module (IRCM)