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 MANUALSTOYOTA2002HIGHLANDER 4WD L4-2.4L (2AZ-FE)REPAIR AND DIAGNOSISCRUISE CONTROLTESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSPROBLEM SYMPTOM CONFIRMATION (ROAD TEST)
2002 Toyota Highlander 4WD L4-2.4L (2AZ-FE)
Problem Symptom Confirmation (Road Test)
2002 Toyota Highlander 4WD L4-2.4L (2AZ-FE)SECTION Problem Symptom Confirmation (Road Test)
PROBLEM SYMPTOM CONFIRMATION (ROAD TEST)
a. Inspect the SET switch.
1. Push the main switch ON.
2. Drive at a desired speed (40 km/h (25 mph) or higher).
3. Press the control switch to the SET/COAST.
4. After releasing the switch, check that the vehicle cruises at the desired speed.
b. Inspect the ACCEL switch.
1. Push the main switch ON.
2. Drive at a desired speed (40 km/h (25 mph) or higher).
3. Check that the vehicle speed is increases while the control switch is turned to RES/ACC, and that the vehicle cruises at the set speed when the switch is released.
4. Momentarily press the control switch upward in the RES/ACC and then immediately release it. Check that the vehicle speed increases by about 1.5 km/h (Tap-up function).
c. Inspect the COAST switch.
1. Push the main switch ON.
2. Drive at a desired speed (40 km/h (25 mph) or higher).
3. Check that the vehicle speed is decreases while the control switch is turned to SET/COAST, and the vehicle cruises at the set speed when the switch is released.
4. Momentarily press the control switch is turned to SET/COAST, and then immediately release it. Check that the vehicle speed decreases by about 1.5 km/h (Tap-down function).
d. Inspect the CANCEL switch.
1. Push the main switch ON.
2. Drive at a desired speed (40 km/h (25 mph) or higher).
3. When operating one of the followings, check that the cruise control system is cancelled and that the normal driving mode is reset.
- Depress the brake pedal
- Shift to except D position
- Push the main switch OFF
- Pull the cruise control switch to CANCEL
e. Inspect the RESUME switch.
1. Push the main switch ON.
2. Drive at a desired speed (40 km/h (25 mph) or higher).
3. When operating one of the followings, check that the cruise control system is cancelled and that the normal driving mode is reset.
- Depress the brake pedal
- Shift to except D position
- Pull the cruise control switch to CANCEL
4. After the control switch is turned to RES/ACC at the driving speed of more than 40 km/h (25 mph), check that the vehicle restores the speed prior to the cancellation.
a. Inspect the SET switch.
1. Push the main switch ON.
2. Drive at a desired speed (40 km/h (25 mph) or higher).
3. Press the control switch to the SET/COAST.
4. After releasing the switch, check that the vehicle cruises at the desired speed.
b. Inspect the ACCEL switch.
1. Push the main switch ON.
2. Drive at a desired speed (40 km/h (25 mph) or higher).
3. Check that the vehicle speed is increases while the control switch is turned to RES/ACC, and that the vehicle cruises at the set speed when the switch is released.
4. Momentarily press the control switch upward in the RES/ACC and then immediately release it. Check that the vehicle speed increases by about 1.5 km/h (Tap-up function).
c. Inspect the COAST switch.
1. Push the main switch ON.
2. Drive at a desired speed (40 km/h (25 mph) or higher).
3. Check that the vehicle speed is decreases while the control switch is turned to SET/COAST, and the vehicle cruises at the set speed when the switch is released.
4. Momentarily press the control switch is turned to SET/COAST, and then immediately release it. Check that the vehicle speed decreases by about 1.5 km/h (Tap-down function).
d. Inspect the CANCEL switch.
1. Push the main switch ON.
2. Drive at a desired speed (40 km/h (25 mph) or higher).
3. When operating one of the followings, check that the cruise control system is cancelled and that the normal driving mode is reset.
- Depress the brake pedal
- Shift to except D position
- Push the main switch OFF
- Pull the cruise control switch to CANCEL
e. Inspect the RESUME switch.
1. Push the main switch ON.
2. Drive at a desired speed (40 km/h (25 mph) or higher).
3. When operating one of the followings, check that the cruise control system is cancelled and that the normal driving mode is reset.
- Depress the brake pedal
- Shift to except D position
- Pull the cruise control switch to CANCEL
4. After the control switch is turned to RES/ACC at the driving speed of more than 40 km/h (25 mph), check that the vehicle restores the speed prior to the cancellation.
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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.