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Home >> Toyota >> 2004 >> Sienna AWD V6-3.3L (3MZ-FE) >> Repair and Diagnosis >> Cruise Control >> Testing and Inspection >> Initial Inspection and Diagnostic Overview >> Cruise Control System >> Problem Symptom Confirmation (Road Test)
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Problem Symptom Confirmation (Road Test)

PROBLEM SYMPTOM CONFIRMATION (ROAD TEST)

a. Inspect the SET switch.




1. Push the main switch button ON.
2. Drive at a desired speed (40 km/h (25 mph) or higher).
3. Push down the control switch to the -/SET position.
4. After releasing the switch, check that the vehicle cruises at the desired speed.

b. Inspect the '+' switch.




1. Push the main switch button ON.
2. Drive at a desired speed (40 km/h (25 mph) or higher).
3. Check that the vehicle speed increases when the control switch is pushed up to +/RES, and that the vehicle cruises at the set speed when the switch is released.
4. Push the control switch to +/RES, and then immediately release it. Check that the vehicle speed increases by about 1.6 km/h (Tap-up function).

c. Inspect the '-' switch.




1. Push the main switch button ON.
2. Drive at a desired speed (40 km/h (25 mph) or higher).
3. Check that the vehicle speed decreases while the control switch is pushed down to -/SET, and the vehicle cruises at the set speed when the switch is released.
4. Push the control switch to -/SET, and then immediately release it. Check that the vehicle speed decreases by about 1.6 km/h (Tap-down function).

d. Inspect the CANCEL switch.




1. Push the main switch button ON.
2. Drive at a desired speed (40 km/h (25 mph) or higher).
3. After doing one of the following, check that the cruise control system is cancelled and that the normal driving mode is reset.
- Depressing the brake pedal.
- Shift to any gear besides D.
- Pushing the main switch button OFF.
- Pulling the control switch CANCEL.

e. Inspect the RES switch.




1. Push the main switch button ON.
2. Drive at a desired speed (40 km/h (25 mph) or higher).
3. After doing one of the following, check that the cruise control system is cancelled and that the normal driving mode is reset.
- Depressing the brake pedal.
- Shift to any gear besides D.
- Pulling the control switch CANCEL.

4. After the control switch is pulled up to +/RES at the driving speed of more than 40 km/h (25 mph), check that the vehicle resumes the same speed maintained before the cancellation.
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