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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Cooling Fan Control Inspection

SYSTEM INSPECTION
1. Connect a jumper wire between the terminals TEN and GND of the data link connector.
2. Turn the ignition switch ON.


Rotate Throttle By Hand:





3. Rotate the throttle link by hand and verify that coolant fan and condenser fan operates.
4. Disconnect the jumper wire.
5. If not specified, inspect as following.
- Engine control module (ECM) 1N terminal voltage
- ECM 1K terminal voltage
- Coolant fan relay
- Condenser fan relay