SPECIAL FUNCTION REFERENCE TABLE



ACTUATOR TEST TABLE
Item No.
Check items
Test content
Normal conditions
1
Air bleeding <ACD>
According to the steering angle of steering wheel, energize the proportioning valve, and operate the proportioning valve for 5 minutes.
No air comes out from the bleeder screw established to the transfer.
3
Oil level check
Operate the direction valve to left and right for 20 seconds.
Oil level of reservoir tank is adequate.
4
Electric pump operation
Operate the electric pump for 3 seconds.
Operating sound of the electric pump can be heard.
5
ACD operation check
Operate the proportioning valve <ACD> for 1 minute, and supply the maximum hydraulic pressure to the multiplate clutch.
The tight corner braking phenomenon occurs.
8
Control OFF
Turn OFF the electric pump relay, and turn OFF the ACD control.
With the actual driving of vehicle, there is a difference between when the control is ON and OFF.
1.

  • Every wheel speed sensor input is 20 km/h or less.
  • No system malfunction is detected.
  • The steering angle of steering wheel is within ±30° from the neutral position.
2.

  • Any of the wheel speed sensors detects an input of 20 km/h or more (excluding item No.8 "Control OFF").
  • A system malfunction is detected.
  • The forced activation time has elapsed.
  • M.U.T.-III is removed.
  • M.U.T.-III clear key is operated.

SENSOR NEUTRAL POSITION LEARNED INITIALISATION LIST
Item No.
Item
Initialisation contents
1
Steering angle correction amount initialisation
Reset the steering angle sensor neutral position learned value.