ON-VEHICLE SERVICE
ACTIVE STABILITY CONTROL SYSTEM (ASC)
STEERING WHEEL SENSOR
CALIBRATION
CAUTION
After the next operation has been completed,
carry out the following two operations:
Alignment adjustment <Front>
Steering wheel sensor (column switch assem-
bly) replacement, removal, installation
1.
Update the neutral position stored in the
steering wheel sensor.
2.
Reset the calibrated value of the steering
angle stored in ASC-ECU.
CAUTION
Before performing the calibration, check if the
steering wheel sensor-related diagnosis code
is set in ASC-ECU.
When the diagnosis code other than C1394 is
set, carry out the inspection according to
each troubleshooting procedure.
1. Park the vehicle on a level surface with tyres and
steering wheel positioned in a straight ahead
direction.
2. Turn the electric motor switch to the "ON"
position.
3. Turn the electric motor key to the "LOCK"
position.
CAUTION
Before connecting or disconnecting M.U.T.-III,
always turn the electric motor switch to the
"LOCK" position.
4. Check that the electric motor key is in the "LOCK"
position, and then set M.U.T.-III.
9.
10.In "Learn neutral position of steering angle
sensor," "Initialise neutral position of steering
angle sensor" is selected, thus press the "OK"
button.
NOTE: When the neutral position of steering
angle sensor has been learned, "Initialise neutral
position of steering angle sensor: Do you want to
execute? Note: The diagnosis code will be
erased." is displayed. Then, press the "OK" but-
ton.
11."Initialise neutral position of steering angle
sensor: Completed" is displayed. Then, press the
"OK" button.
12.Press the "OK" button.
13."Learn neutral position of steering angle sensor:
Do you want to execute? Note: Execute after the
tyres and steering wheel are aligned in a straight
ahead direction." is displayed. Then, press the
"OK" button.
5. Turn the electric motor switch to the "ON"
position.
6.
7.
On the Menu, select "System selection."
In "System table" of "System selection," select
"Steering angle sensor," and then press the "OK"
button.
8. In "Steering angle sensor," select "Special
function."
In "Special function," select "Learn neutral
position of steering angle sensor."
NOTE: When the neutral position of steering
angle sensor has been learned, "Neutral position
learned already: in order to relearn the neutral
position, press the "OK" button to initialise the
steering angle sensor neutral position." is dis-
played. If it is okay, press the "OK" button.
14."Learn neutral position of steering angle sensor:
Completed" is displayed. Then, press the "OK"
button.
MSB-20EXML35-501(20AB039)
3
update the neutral position stored in the
steering wheel sensor.
<Correct>
<Incorrect>
<Deleted>
<Deleted>
Attached sheet 3 (1/2)
