Diesel Data: Automotive Repair

Road Test








CRUISE CONTROL: CRUISE CONTROL SYSTEM: ROAD TEST

ROAD TEST

1. PROBLEM SYMPTOM CONFIRMATION





(a) Inspect the SET function.
(1) Push the ON-OFF button "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 the vehicle cruises at the set speed after releasing the switch.





(b) Inspect the "+ (ACCEL)" function.
(1) Push the ON-OFF button "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 function).





(c) Inspect the "- (COAST)" function.
(1) Push the ON-OFF button "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 that 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 function).





(d) Inspect the CANCEL function.
(1) Push the ON-OFF button "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 doing one or more of the following, check that the cruise control system is canceled and that the normal driving mode is reset:

- Depressing the brake pedal
- Shifting into any position except D
- Pushing the ON-OFF button "off"
- Pulling the cruise control main switch to CANCEL





(e) Inspect the RES (RESUME) function.
(1) Push the ON-OFF button "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 doing one or more of the following, check that the cruise control system is canceled and that the normal driving mode is reset:

- Depressing the brake pedal
- Shifting into any position except D
- Pulling the cruise control main switch to CANCEL
(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 restores the speed which was maintained before cancellation.