ACD Operation Check
CAUTION:
To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991958.
- Connect scan tool MB991958 to the data link connector.
- Start the engine.
- Set the steering wheel to the neutral position, and carry out the actuator test (Item No.05) using scan tool MB991958. Then, activate the transfer forcibly.NOTE:
- Actuator test (Item No.05: ACD operation check mode) is activated for 1 minute and is deactivated automatically. In addition, it can be forcibly deactivated by the clear key of scan tool MB991958.
- When the ACD is not working due to a fail-safe function, the transfer cannot be activated forcibly.
- Turn the steering wheel 180° or more to the right or left, and drive the vehicle at 20km/h (12 mph) or less to check that tight corner braking occurs.NOTE:
- The occurrence level of the body vibration and noise depends on the condition of tires and roads.
- If tight corner braking does not occur, check the hydraulic pressure because the system may be defective.