System Overview
The engine cooling fan system is composed of one cooling fan, 2 relays, the engine control module (ECM), and the associated wiring. The cooling fan assembly includes 1 resistor mounted in the cooling fan shroud. The cooling fan resistor may be a stand alone component, or a part of the cooling fan motor and harness assembly. This combination of components enables the ECM to operate the cooling fan at 2 speeds using two fan control circuits. The ECM will operate the cooling fan at either Low or High speed based on the cooling requirements.
Low Speed Operation
The ECM applies ground at the FAN 1 control circuit for the coil side of the low speed cooling fan relay. The energized low speed relay switch closes to supply B+ through the cooling fan resistor, to the engine cooling fan motor. The result is cooling fan operation at a reduced speed.
High Speed Operation
The ECM applies ground at the FAN 2 control circuit for the coil side of the cooling fan high speed relay. The energized high speed relay switch closes to supply B+ directly to the engine cooling fan motor, by-passing the cooling fan resistor. The result is cooling fan operation at full speed.
Engine Overheating
The vehicle has an indicator to warn of the engine overheating.
If the decision is made not to lift the hood when this warning appears, get service
help right away. See Roadside Assistance Program.
If the decision is made to lift the hood, make sure the vehicle is parked on
a level surface.
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Drivetrain and Front Suspension Frame Replacement
Special Tools
EN-45059 Angle Meter
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Support the radiator and condenser from above using the upper brackets
on each side.
Raise the vehicle on a hoist. Refer to Lifting and Jacking the Vehicle.
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Alternative routes
Applies to: vehicles with navigation system
Fig. 152 Alternative routes in the overview map
Opening alternative routes
Requirement: route guidance must be started
and the map must be displayed
Press on in the side menu
on the map fig. 149.
Current route
The distance to the destination and ...