1997 Subaru Impreza Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 1997 Subaru Impreza and How to Fix Them

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Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
30% chance it's the
Sensor
0%
25% chance it's the
Control Module
0%
25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 1997 Subaru Impreza cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems.
  • Sensor: A faulty sensor can lead to incorrect readings, causing issues with engine performance or triggering warning lights on the dashboard.
  • Control Module: A faulty control module can result in erratic vehicle behavior or failure of various electronic systems due to improper signal processing.
  • Throttle: A faulty throttle body or a defective accelerator pedal position sensor may be causing inconsistent acceleration and poor engine response.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

What are the steps to diagnose the cruise control issue in a 1997 Subaru Impreza?

To effectively diagnose cruise control issues in your 1997 Subaru Impreza, begin with a thorough inspection of the fuse associated with the cruise control system. A blown fuse is a straightforward fix that can often resolve the problem. Next, examine the control module, sensor, and switch, as these components are frequently the culprits behind malfunctioning cruise control. Look for any visible signs of wear or damage. Additionally, assess the throttle actuation system, as any irregularities here can impact cruise control functionality. Pay special attention to the cruise control switch and the clutch pedal safety switch, as faults in these areas can also disrupt the system. If these initial checks do not yield results, it may be time to consult a factory-trained technician who can provide expert diagnostics and repairs. By following this structured approach, you can efficiently identify and address the root cause of your cruise control issues.

What common issues cause cruise control failure in a 1997 Subaru Impreza?

When dealing with cruise control failure in a 1997 Subaru Impreza, it's essential to understand the common problems that may be at play. One frequent culprit is the control module, which can fail and disrupt the entire system. Additionally, issues with the throttle actuation can prevent the cruise control from engaging properly. It's also important to check the clutch and brake pedal switches, as malfunctions in these components can inadvertently disable the cruise control. Furthermore, electronic problems such as blown fuses or faulty speed sensors can contribute to the issue, as can a malfunctioning Engine Control Unit (ECU). For those looking to tackle these problems themselves, a thorough inspection of these components can help identify the root cause of the cruise control failure, although consulting a professional may be necessary for more complex repairs.

How urgent is it to address the non-functioning cruise control in a 1997 Subaru Impreza?

Addressing the non-functioning cruise control in your 1997 Subaru Impreza should be considered a priority, as neglecting this issue can lead to both safety risks and increased driver fatigue. Cruise control is designed to enhance driving comfort by allowing you to maintain a steady speed, which is particularly beneficial during long trips. When this system fails, it can distract you from the road, making it harder to focus on speed regulation, which could result in erratic driving behavior. Additionally, the underlying causes of cruise control failure, such as a malfunctioning control module or faulty sensors, may lead to more significant mechanical issues if left unresolved. A simple first step in troubleshooting is to check the cruise control fuse, as this could be an easy fix. Understanding the components involved, such as the brake and clutch pedal switches, can also aid in diagnosing the problem. Regular maintenance and prompt repairs not only ensure a smoother driving experience but also prevent further complications that could arise from ignoring the issue. Therefore, while it may not seem like an emergency, timely attention to your cruise control system is essential for both safety and convenience on the road.

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