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 MANUALSTOYOTA2007HIGHLANDER 2WD V6-3.3L (3MZ-FE)REPAIR AND DIAGNOSISCRUISE CONTROLTESTING AND INSPECTIONINITIAL INSPECTION AND DIAGNOSTIC OVERVIEWROAD TEST
2007 Toyota Highlander 2WD V6-3.3L (3MZ-FE)
Road Test
2007 Toyota Highlander 2WD V6-3.3L (3MZ-FE)SECTION Road Test
ROAD TEST
1. PROBLEM SYMPTOM CONFIRMATION
a. Inspect the SET function.
1. Turn the main switch ON.
2. Drive at the required speed (40 km/h (25 mph) or higher).
3. Push the cruise control main switch to -/SET.
4. After releasing the switch, check that the vehicle cruises at the set speed.
b. Inspect the ACC (ACCEL) switch.
1. Turn the main switch ON.
2. Drive at the required speed (40 km/h (25 mph) or higher).
3. Push the cruise control main switch to -/SET.
4. Check that vehicle speed increases while the cruise control main switch is pushed to +/RES, and that the vehicle cruises at the newly set speed when the switch is released.
5. Momentarily push the cruise control main switch to +/RES and then immediately release it. Check that vehicle speed increases by approximately 1.6 km/h (1.0 mph) (tap-up control).
c. Inspect the COAST function.
1. Turn the main switch ON.
2. Drive at the required speed (40 km/h (25 mph) or higher).
3. Push the cruise control main switch to -/SET.
4. Check that vehicle speed decreases while the cruise control main switch is pushed to -/SET, and the vehicle cruises at the newly set speed when the switch is released.
5. Momentarily push the cruise control main switch to -/SET, and then immediately release it. Check that vehicle speed decreases by approximately 1.6 km/h (1.0 mph) (tap-down control).
d. Inspect the CANCEL function.
1. Turn the main switch ON.
2. Drive at the required speed (40 km/h (25 mph) or higher).
3. Push the cruise control main switch to -/SET.
4. When performing one of the following, check that the cruise control system is canceled and that the normal driving mode is reset.
- Depressing the brake pedal
- Moving the shift lever to any position except D
- Turning the main switch ON
- Pulling the cruise control main switch to CANCEL
e. Inspect the RES (RESUME) function.
1. Turn the main switch ON.
2. Drive at the required speed (40 km/h (25 mph) or higher).
3. Push the cruise control main switch to -/SET.
4. Cancel the cruise control system according to any of the above operations (other than turning the main switch OFF).
5. After pushing the cruise control main switch to +/ RES at a driving speed of more than 40 km/h (25 mph), check that the vehicle drives at the set speed.
1. PROBLEM SYMPTOM CONFIRMATION
a. Inspect the SET function.
1. Turn the main switch ON.
2. Drive at the required speed (40 km/h (25 mph) or higher).
3. Push the cruise control main switch to -/SET.
4. After releasing the switch, check that the vehicle cruises at the set speed.
b. Inspect the ACC (ACCEL) switch.
1. Turn the main switch ON.
2. Drive at the required speed (40 km/h (25 mph) or higher).
3. Push the cruise control main switch to -/SET.
4. Check that vehicle speed increases while the cruise control main switch is pushed to +/RES, and that the vehicle cruises at the newly set speed when the switch is released.
5. Momentarily push the cruise control main switch to +/RES and then immediately release it. Check that vehicle speed increases by approximately 1.6 km/h (1.0 mph) (tap-up control).
c. Inspect the COAST function.
1. Turn the main switch ON.
2. Drive at the required speed (40 km/h (25 mph) or higher).
3. Push the cruise control main switch to -/SET.
4. Check that vehicle speed decreases while the cruise control main switch is pushed to -/SET, and the vehicle cruises at the newly set speed when the switch is released.
5. Momentarily push the cruise control main switch to -/SET, and then immediately release it. Check that vehicle speed decreases by approximately 1.6 km/h (1.0 mph) (tap-down control).
d. Inspect the CANCEL function.
1. Turn the main switch ON.
2. Drive at the required speed (40 km/h (25 mph) or higher).
3. Push the cruise control main switch to -/SET.
4. When performing one of the following, check that the cruise control system is canceled and that the normal driving mode is reset.
- Depressing the brake pedal
- Moving the shift lever to any position except D
- Turning the main switch ON
- Pulling the cruise control main switch to CANCEL
e. Inspect the RES (RESUME) function.
1. Turn the main switch ON.
2. Drive at the required speed (40 km/h (25 mph) or higher).
3. Push the cruise control main switch to -/SET.
4. Cancel the cruise control system according to any of the above operations (other than turning the main switch OFF).
5. After pushing the cruise control main switch to +/ RES at a driving speed of more than 40 km/h (25 mph), check that the vehicle drives at the set speed.
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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.