Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSTOYOTA2009COROLLA BASE, 1.8 L, STANDARDREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCRUISE CONTROL SYSTEMSCRUISE CONTROL SYSTEMROAD TEST

2009 Toyota Corolla Base, 1.8 L, Standard

Road Test

2009 Toyota Corolla Base, 1.8 L, StandardSECTION Road Test

PROBLEM SYMPTOM CONFIRMATION
1. Inspect the SET function.
  1. Turn the cruise control main switch on.
  2. Drive at the required speed between 40 km/h (25 mph) and 200 km/h (125 mph).
  3. Push the cruise control main switch to -(COAST)/SET.
  4. After releasing the switch, check that the vehicle cruises at the set speed.
  Fig 1: Checking Cruise Control Main Switch SET Function
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Inspect the + (ACCELERATION) function.
  1. Turn the cruise control main switch on.
  2. Drive at the required speed between 40 km/h (25 mph) and 200 km/h (125 mph).
  3. Push the cruise control main switch to -(COAST)/SET.
  4. Check that vehicle speed increases while the cruise control main switch is pushed to + (ACCEL)/RES (RESUME), and that the vehicle cruises at the newly set speed when the switch is released.
    
    Fig 2: Checking Cruise Control Main Switch ACCELERATION Function
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. Push the cruise control main switch to + (ACCEL)/RES (RESUME) and then release it immediately. Check that vehicle speed increases by approximately 1.6 km/h (1.0 mph) (tap-up control).
3. Inspect the - (COAST) function.
  1. Turn the cruise control main switch on.
  2. Drive at the required speed between 40 km/h (25 mph) and 200 km/h (125 mph).
  3. Push the cruise control main switch to - (COAST)/SET.
    
    Fig 3: Checking Cruise Control Main Switch SET Function
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. Check that vehicle speed decreases while the cruise control main switch is pushed to-(COAST)/SET, and the vehicle cruises at the newly set speed when the switch is released.
  5. Push the cruise control main switch to -(COAST)/SET, and then release it immediately. Check that vehicle speed decreases by approximately 1.6 km/h (1.0 mph) (tap-down control).
4. Inspect the CANCEL function.
  1. Turn the cruise control main switch on.
  2. Drive at the required speed between 40 km/h (25 mph) and 200 km/h (125 mph).
  3. Push the cruise control main switch to-(COAST)/SET.
    
    Fig 4: Checking Cruise Control Main Switch CANCEL Function
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. When performing any one of the following, check that the cruise control system is canceled and that the normal driving mode is reset.
    - Depressing the brake pedal
    - Depressing the clutch pedal (for M/T)
    - The shift lever is moved to except D or S (S5 and S4) (for U250E).
    - The shift lever is moved to except D or 3 (for U341E).
    - Turning the cruise control main switch off
    - Pulling the cruise control main switch to CANCEL
5. Inspect the RES (RESUME) function.
  1. Turn the cruise control main switch on.
  2. Drive at the required speed between 40 km/h (25 mph) and 200 km/h (125 mph).
  3. Push the cruise control main switch to -(COAST)/SET.
    
    Fig 5: Checking Cruise Control Main Switch RES(RESUME) Function
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. Cancel the cruise control system by performing any of the above operations (other than turning the main switch off).
  5. After pushing the cruise control main switch to + (ACCEL)/RES (RESUME) at a driving speed of more than 40 km/h (25 mph), check that the vehicle resumes at the speed set prior to the cancellation.

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.