Problem Symptom Confirmation (Road Test)

PROBLEM SYMPTOM CONFIRMATION (ROAD TEST)

a. Inspect the SET switch.




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

b. Inspect the ACCEL switch.




1. Press the cruise control main switch button to ON.
2. Drive at a desired speed (40 km/h (25 mph) or higher).
3. Check that the vehicle speed is increases while the cruise control main switch assy is pull up to RES/ ACC, and that the vehicle cruises at the set speed when the switch is released.
4. Momentarily press the cruise control main switch assy upward, to 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. Press the cruise control main switch button to ON.
2. Drive at a desired speed (40 km/h (25 mph) or higher).
3. Check that the vehicle speed is decreases while the cruise control main switch assy is push down to SET/COAST, and the vehicle cruises at the set speed when the switch is released.
4. Momentarily push the cruise control main switch assy downward 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. Press the cruise control main switch button to 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.
- Depress the clutch pedal (M/T).
- Shift to except D position (A/T).
- Press the cruise control main switch button to OFF.
- Pull the cruise control main switch assy to CANCEL.

e. Inspect the RESUME switch.




1. Press the cruise control main switch button to 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.
- Depress the clutch pedal (M/T).
- Shift to except D position (A/T).
- Pull the cruise control main switch assy to CANCEL.

4. After the cruise control main switch assy is pull up to RES/ACC at the driving speed of more than 40 km/h (25 mph), check that the vehicle restores the speed before the cancellation.

INPUT SIGNAL CHECK






HINT:
- For check No.1 ~ No.3
Turn the ignition switch to ON.
- For check No.4
Jack up the vehicle.
Start the engine.
Release the clutch pedal (M/T).
Shift to D position (A/T).

a. Keep the cruise control main switch assy to SET/COAST or RES/ACC position and hold it down or hold it up.
b. Press the cruise control main switch button to ON.
c. Check that the CRUISE main indicator light blinks twice or 3 times repeatedly after 3 seconds.
d. Turn the SET/COAST or RES/ACC switch to OFF.




e. Operate each switch as listed in the table.
f. Read the blinking pattern of the CRUISE main indicator light.
g. After performing the check, turn the cruise control main switch button to OFF.

HINT: When 2 or more signals are input to the cruise control ECU assy, the lowest numbered code will be displayed first.

AUTO CANCEL FUNCTION




a. If a malfunction occurs in the No.1 vehicle speed sensors or actuator, etc. during cruise control driving, the ECU actuates AUTO CANCEL of the cruise control and turns ON and OFF the CRUISE main indicator light to inform the driver of a malfunction. At the same time, the malfunction is stored in memory as a diagnostic trouble code.