why is my Honda Accord's cruise control not working?

Honda Accord 9th Generation (2013-2017)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

600 words

Problem Statement

Learn how to diagnose and fix cruise control issues in Honda Accord. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Ensure the vehicle is securely parked and the engine is off before starting repairs.

Symptoms

•Cruise control indicator light not illuminating
•Cruise control not engaging when activated
•Intermittent or inconsistent operation of cruise control
•Vehicle speed not maintained while cruise control is engaged
•Check engine light illuminated

Diagnostic Steps

1
Scan the vehicle's computer using an OBD-II scanner to check for any error codes related to the cruise control system.
2
Inspect the cruise control switch on the steering wheel for physical damage or wear.
3
Check the fuses related to the cruise control system in the fuse box.
4
Test the brake pedal switch to ensure it is functioning correctly and not inadvertently disengaging the cruise control.
5
Inspect the throttle position sensor for proper operation and signal to the engine control unit (ECU).
6
Verify the status of the vehicle's speed sensors to confirm that the ECU is receiving accurate speed information.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•OBD-II scanner
•Multimeter
•Socket set
•Torque wrench
•Flathead screwdriver

Parts Required

•Cruise control switch (if defective)
•Brake pedal switch (if defective)
•Throttle position sensor (if defective)
•Vehicle speed sensor (if defective)
•Fuses (if blown)

Related Faults

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Diagnostic Steps

1
Scan the vehicle's computer using an OBD-II scanner to check for any error codes related to the cruise control system.
2
Inspect the cruise control switch on the steering wheel for physical damage or wear.
3
Check the fuses related to the cruise control system in the fuse box.
4
Test the brake pedal switch to ensure it is functioning correctly and not inadvertently disengaging the cruise control.
5
Inspect the throttle position sensor for proper operation and signal to the engine control unit (ECU).
6
Verify the status of the vehicle's speed sensors to confirm that the ECU is receiving accurate speed information.

Solution

1. Preparation

Tools Required: OBD-II scanner, multimeter, socket set, torque wrench, flathead screwdriver.
Disconnect the negative battery terminal to ensure safety during the repair process.

2. Inspect the Cruise Control Switch

Remove the steering wheel cover using a flathead screwdriver.
Check the cruise control switch for any physical damage or corrosion.
If damaged, replace the cruise control switch with a new one.

3. Check and Replace Fuses

Locate the fuse box in the cabin or engine compartment.
Using the owner's manual, identify the fuse associated with the cruise control system.
Inspect the fuse; if blown, replace it with a fuse of the same rating (usually 10A or 15A).

4. Test the Brake Pedal Switch

Locate the brake pedal switch and visually inspect it for proper alignment and function.
Use a multimeter to test the switch: it should show continuity when the brake pedal is pressed.
If faulty, adjust or replace the brake pedal switch as necessary.

5. Inspect the Throttle Position Sensor

Locate the throttle position sensor on the throttle body.
Disconnect the electrical connector and use a multimeter to check the voltage output while moving the throttle.
If the readings are outside the acceptable range, replace the throttle position sensor.

6. Verify Speed Sensor Operation

Locate the vehicle speed sensor and check the wiring for damage or corrosion.
Use an OBD-II scanner to monitor the speed sensor readings.
If the speed sensor is not functioning correctly, replace it.