Chevy Cruze Cooling Fan Wiring Diagram

Are you experiencing problems with your Chevy Cruze cooling fan system? If so, you’ve come to the right place. In this journal article, we will discuss the Chevy Cruze cooling fan wiring diagram, including the different components, how they work together, and how to troubleshoot common issues.

Components of the Chevy Cruze Cooling Fan System

The Chevy Cruze cooling fan system is made up of several key components. These include the engine coolant temperature (ECT) sensor, the cooling fan control module, the cooling fan motor, and the wiring harness that connects them all together.

The ECT sensor monitors the temperature of the engine coolant and sends a signal to the cooling fan control module. The control module then activates the cooling fan motor to cool down the engine when it’s running hot. The wiring harness is responsible for carrying the signals between the different components.

Engine Coolant Temperature Sensor

The engine coolant temperature (ECT) sensor is located on the engine block, and it reads the temperature of the engine coolant. The sensor sends a signal to the cooling fan control module, which then decides when to turn on the cooling fan motor.

If the ECT sensor is faulty or malfunctioning, the cooling fan may not turn on at the proper time, causing the engine to overheat. If you suspect that the ECT sensor is the problem, it can be tested using a multimeter.

Cooling Fan Control Module

The cooling fan control module is responsible for turning on the cooling fan motor when it’s needed. It receives signals from the ECT sensor and other sensors, and it decides when to activate the motor based on those signals.

If the cooling fan control module is faulty or malfunctioning, it may not send the proper signals to the cooling fan motor, causing the motor to not turn on at all or turn on at the wrong time. If you suspect that the control module is the problem, it can be tested using a diagnostic scanner.

Cooling Fan Motor

The cooling fan motor is responsible for actually turning the fan blades to cool down the engine. If the motor is faulty or malfunctioning, the fan blades may not turn at all, causing the engine to overheat.

If you suspect that the cooling fan motor is the problem, it can be tested using a multimeter. It’s important to note that the cooling fan motor is often the last component in the system to fail, so if you’ve already checked the ECT sensor and cooling fan control module, the motor may be the culprit.

Chevy Cruze Cooling Fan Troubleshooting

If you’re experiencing problems with your Chevy Cruze cooling fan system, there are several steps you can take to troubleshoot the issue. These include:

Step 1: Check the Fuses

The first step in troubleshooting the cooling fan system is to check the fuses. There are two fuses that are responsible for the cooling fan system: one for the control module and one for the motor itself.

If one or both of these fuses are blown, the cooling fan system will not work properly. Check the fuses using a fuse tester and replace any that are blown.

Step 2: Check the Wiring Harness

The next step is to check the wiring harness that connects the different components of the cooling fan system. Look for any signs of damage, such as frayed wires or loose connections.

If you find any damage, repair or replace the affected wires or connections. A damaged wiring harness can prevent the signals from being transmitted properly, causing the cooling fan system to malfunction.

Step 3: Check the ECT Sensor

If the fuses and wiring harness both check out, the next step is to test the ECT sensor. As mentioned earlier, the ECT sensor is responsible for sending a signal to the cooling fan control module to activate the motor.

Use a multimeter to test the resistance of the sensor. If the sensor is faulty or malfunctioning, replace it with a new one.

Step 4: Check the Cooling Fan Control Module

If the ECT sensor is working properly, the next step is to test the cooling fan control module. As mentioned earlier, this component is responsible for activating the cooling fan motor.

Use a diagnostic scanner to check for any error codes related to the control module. If there are no error codes, test the module using a multimeter. If it’s faulty or malfunctioning, replace it with a new one.

Step 5: Check the Cooling Fan Motor

If all of the other components are working properly, the last step is to test the cooling fan motor itself. As mentioned earlier, this component is responsible for turning the fan blades to cool down the engine.

Use a multimeter to test the resistance of the motor. If it’s faulty or malfunctioning, replace it with a new one.

FAQs

Question Answer
What causes the Chevy Cruze cooling fan system to malfunction? The most common causes of a malfunctioning cooling fan system are a faulty ECT sensor, a malfunctioning cooling fan control module, a faulty cooling fan motor, or a damaged wiring harness.
How can I tell if my Chevy Cruze cooling fan system is malfunctioning? The most common sign of a malfunctioning cooling fan system is the engine overheating. You may also notice that your air conditioning is not as cold as it should be, or that the cooling fan is not turning on when it should be.
Can I drive my Chevy Cruze with a malfunctioning cooling fan system? We do not recommend driving your Chevy Cruze with a malfunctioning cooling fan system. Overheating can cause serious damage to the engine, and it may result in costly repairs.
Can I replace the components of the cooling fan system myself? If you have experience working on cars and the proper tools, you may be able to replace the components of the cooling fan system yourself. However, if you’re not confident in your abilities, it’s always best to have a professional handle the repairs.

Conclusion

The Chevy Cruze cooling fan system is a complex system that requires several components to work together properly. If you’re experiencing problems with your cooling fan system, it’s important to troubleshoot the issue to prevent damage to your engine.

By following the steps outlined in this article, you should be able to identify the problem and replace any faulty components. If you’re not confident in your abilities, always seek assistance from a professional mechanic.