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Home >> Mitsubishi >> 2015 >> Lancer Evolution Final Edition >> Repair and Diagnosis (Single Page) >> Transmission >> Manual Trans >> Manual Transaxle On-Vehicle Service - With Diagnostics - Lancer Evolution >> Diagnosis < S-AWC (Super All Wheel Control) > >> Special Function Reference Table
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Special Function Reference Table

ACTUATOR TEST TABLE

Item No. Display on scan tool Check items Test content Normal conditions
1 ACD air bleeding 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.
2 AYC air bleeding Air bleeding < AYC > According to the steering angle of steering wheel, energize the proportioning valve, and operate the direction valve for 5 minutes. No air comes out from the bleeder screw established to the torque transfer differential.
3 Oil level check Oil level check Operate the direction valve to left and right for 20 seconds. Oil level of reservoir tank is adequate.
4 Motor drive Electric pump operation Operate the electric pump for 3 seconds. Operating sound of the electric pump can be heard.
5 ACD operation check ACD operation check Operate the proportioning valve < ACD >, and supply the maximum hydraulic pressure to the multiplate clutch. The tight corner braking phenomenon occurs.
6 AYC operation check (left) Clutch operation check < left side > Operate the direction valve, and supply the maximum hydraulic pressure to the left clutch. With the wheels lifted, a speed difference is generated between left and right rear wheels.
7 AYC operation check (right) Clutch operation check < right side > Operate the direction valve, and supply the maximum hydraulic pressure to the right clutch. With the wheels lifted, a speed difference is generated between left and right rear wheels.
8 Control OFF Control OFF Turn OFF the electric pump relay, and turn OFF the ACD and AYC control. With the actual driving of vehicle, there is a difference between when the control is ON and OFF.
CAUTION: Since the fluid in the hydraulic unit will be hardened under low temperature, all the inspection items in the table may not be checked properly. Therefore, completely remove snow and ice from the hydraulic unit and leave the vehicle under temperature of 0°C (32°F) or higher for 4 hours or more before performing the actuator test.
  1. The actuator test can be performed only when all the following conditions are satisfied.
    • 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. With the actuator test, when any of the conditions below is met, the forced activation will be canceled.
    • Any of the wheel speed sensors detects an input of 20 km/h or more (excluding item No. 08 "Control OFF").
    • A system malfunction is detected.
    • The forced activation time has elapsed.
    • Scan tool is removed.
    • Scan tool clear key is operated.
SENSOR NEUTRAL POSITION LEARNED INITIALIZATION LIST

Item No. Display on scan tool Item Initialization contents
1 SAS calibration Steering angle correction amount initialization Reset the steering angle sensor neutral position learned value.
2 Lateral G sensor calibration Lateral acceleration correction amount initialization Reset the lateral acceleration sensor neutral position learned value.
3 Longitudinal G SNS.calibration Longitudinal acceleration correction amount initialization Reset the longitudinal acceleration sensor neutral position learned value.

The sensor neutral position learned value initialization can be performed only when the vehicle is stopped.

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