why does my Honda Accord's cruise control not work

Honda Accord 9th Generation (2013-2017)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

3 min read

544 words

Problem Statement

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

Affected Component

Electrical

Estimated Time

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to prevent shocks or shorts.
•Allow the vehicle to cool before inspecting any engine components.

Symptoms

•Cruise control light not illuminated on the dashboard
•Inability to set or maintain speed
•Engine revs up or down unexpectedly when attempting to use cruise control
•"Check engine" light may be illuminated
•Brake lights may remain on or not function properly

Diagnostic Steps

1
Check for any error codes using an OBD-II scanner to identify potential electronic issues.
2
Inspect the cruise control switch for any signs of damage or wear.
3
Verify that the brake pedal switch is functioning correctly and not stuck.
4
Inspect the vehicle's fuse box for a blown fuse related to the cruise control system.
5
Check the throttle position sensor (TPS) for proper operation.
6
Examine the wiring and connectors leading to the cruise control module for any signs of wear or corrosion.

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
•Screwdriver set

Parts Required

•Brake pedal switch (if faulty)
•Throttle position sensor (if faulty)
•Fuses (if blown)

Related Faults

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Diagnostic Steps

1
Check for any error codes using an OBD-II scanner to identify potential electronic issues.
2
Inspect the cruise control switch for any signs of damage or wear.
3
Verify that the brake pedal switch is functioning correctly and not stuck.
4
Inspect the vehicle's fuse box for a blown fuse related to the cruise control system.
5
Check the throttle position sensor (TPS) for proper operation.
6
Examine the wiring and connectors leading to the cruise control module for any signs of wear or corrosion.

Solution

1. Preparation

Gather tools and parts needed for the repair.
Ensure the vehicle is parked on a level surface and the engine is off.
Disconnect the battery to prevent any electrical shorts.

2. Inspect and Replace the Brake Pedal Switch

Sub-steps:
- Locate the brake pedal switch, which is typically mounted above the brake pedal.
- Disconnect the electrical connector from the switch.
- Remove the switch from its mounting bracket.
- Install the new brake pedal switch by reversing the removal steps.
- Reconnect the electrical connector.

3. Check and Replace Fuses

Sub-steps:
- Open the fuse box cover, usually located under the dashboard or in the engine compartment.
- Locate the cruise control fuse and visually inspect it for continuity.
- If the fuse is blown, remove it and replace it with a new fuse of the same amperage.

4. Test the Cruise Control Switch

Sub-steps:
- Reconnect the battery.
- Test the cruise control switch for proper function. If defective, replace it with a new switch.

5. Verify Throttle Position Sensor

Sub-steps:
- Using a multimeter, check the resistance of the TPS while moving the throttle from closed to wide open.
- If readings are out of specification, replace the throttle position sensor.

Tools Required:

OBD-II scanner
Multimeter
Socket set
Screwdriver set
Replacement brake pedal switch
Replacement fuses (if needed)

Parts Required:

Brake pedal switch (if faulty)
Throttle position sensor (if faulty)
Fuses (if blown)

Estimated Repair Time: 1-3 hours

Safety Warnings:

Disconnect the battery before working on electrical systems to prevent shocks or shorts.
Allow the vehicle to cool before inspecting any engine components.