The ALS is the abbreviation for "Auto Leveling System". This ALS system automatically controls the height of a vehicle level according to road condition. So it improves riding comfort and steering stability. Among components of the ALS system, the height sensor and the pressure sensor gets its electric power from ALS ECU. And the ALS ECU monitors the sensor's power in order to control this system normally.
The ALS ECU monitors the voltage of each sensor's power and if it is over 5.25V or below 4.75V, this DTC is set.
Item | Detecting Condition | Possible cause |
DTC Strategy |
•
Monitoring the voltage of sensor |
•
Short in the sensor power circuit
•
Faulty ALS ECU |
Threshold value |
•
When the sensor voltage is above 5.25V during over 0.5 seconds
•
When the sensor voltage is below 4.75V during over 0.5 seconds | |
Fail-Safe |
•
Inhibition of controlling a vehicle level
•
The warning lamp is activated. |
