Suspension: Service Precautions

SUSPENSION CONTROL: AIR SUSPENSION SYSTEM: PRECAUTION

1. PRECAUTION FOR DISCONNECTING THE AUXILIARY BATTERY CABLE

NOTICE:
When disconnecting the cable from the negative (-) auxiliary battery terminal, initialize the following system after the cable is reconnected:





2. AIR SUSPENSION SYSTEM PRECAUTION

(a) Before raising the vehicle using a jack or lift, or working under the vehicle, make sure to disable vehicle height control using the height control OFF switch.





HINT
* When vehicle height control is disabled using the height control OFF switch, "HEIGHT CONTROL OFF" will be shown on the multi-information display in the combination meter.
* The history that vehicle height control has been disabled using the height control OFF switch will remain even if the cable is disconnected from the negative (-) auxiliary battery terminal.
* Vehicle height control disabled using the height control OFF switch will resume when the vehicle speed reaches 30 km/h.
* In order to resume vehicle height control disabled using the height control OFF switch, push the height control OFF switch again with the power switch on (READY) or the power switch on (IG).
* Even if the height control OFF switch is operated, vehicle height control cannot be disabled if the vehicle stability control system is malfunctioning.

(b) When replacing the suspension control ECU, make sure to install a new one.

HINT
If the suspension control ECU from another vehicle is installed, vehicle identification information inconsistencies will occur, possibly disabling the system and adversely affecting other systems.

(c) After replacing the suspension control ECU, perform Vehicle Height Offset Calibration and Registration of Vehicle Identification Information Calibration, Registration).

(d) After removing/installing or replacing the height control sensor, perform Vehicle Height Offset Calibration Calibration.

(e) Do not turn the steering wheel while the pneumatic cylinders are discharged.

HINT
If torsional torque is applied to the pneumatic cylinders while they are discharged, they may be damaged.

(f) If lowering the vehicle using a jack or a lift with the pneumatic cylinders discharged, confirm that all the tubes are firmly connected.

HINT
If the vehicle is lowered using a jack or a lift while any tube is disconnected, the pneumatic cylinders may be damaged.

(g) To protect the compressor motor, do not operate it continuously for any longer than 60 seconds.

HINT
* When returning the vehicle to its normal height after the pneumatic cylinders have been discharged due to removal/installation or replacement, the compressor motor will need to operate for at least 60 seconds. In this case, make sure to turn the power switch off after approximately 60 seconds and then restart it after waiting for approximately 60 seconds in order to return the vehicle to its normal height.
* In order to protect the height control compressor, the compressor motor will automatically stop after operating continuously for approximately 100 seconds. In this case, leave the vehicle with the power switch on (READY) for 10 minutes in order to return the vehicle to its normal height.