RM38T0EC _55 Steering _112287 POWER ASSIST SYSTEMS _0500993 POWER STEERING ECU A

POWER ASSIST SYSTEMS  POWER STEERING ECU  END POSITION INITIAL SETTING  


CAUTION / NOTICE / HINT

Perform end position initial setting after replacing or servicing parts related to steering operation.

NOTICE:

If matchmarks were not placed when removing parts related to steering operation, perform end position initial setting.


Removed or Replaced Part Work End Position Initial Setting

○: Necessary

-: Unnecessary

Power steering ECU with motor assembly Removing -
Replacing ○
Electric power steering column sub-assembly Removing -
Replacing ○
No. 2 steering intermediate shaft assembly Removing -
Replacing ○
Steering gear assembly Removing -
Replacing ○

NOTICE:

After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.

Click hereGeneral>SETUP>WHEN DISCONNECTING OR RECONNECTING BATTERY TERMINAL>BEFORE DISCONNECTING BATTERY


HINT:

When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.

Click hereGeneral>SETUP>WHEN DISCONNECTING OR RECONNECTING BATTERY TERMINAL>AUTOMATIC LEARNING CHART


PROCEDURE

Hide 1. END POSITION INITIAL SETTING

a.

Align the front wheels straight ahead and center the steering wheel.


b.

Perform end position learning value clear. (*1)

When using GTS:
1.

Perform end position learning value clear according to the instructions on the GTS screen.


Chassis > EMPS > Utility
Tester Display
End Position Learning Value Clear
50005 405 4799
When not using GTS:
1.

Turn the ignition switch off.

2.

Disconnect the cable from the negative (-) auxiliary battery terminal and wait for at least 40 seconds.

for HEV Model: Click hereGeneral>MAINTENANCE>M20F-FXS, M20G-FXS AUXILIARY BATTERY>REMOVAL

for Gasoline Model: Click hereGeneral>MAINTENANCE>M20A-FKS, M20C-FKS, M20E-FKS AUXILIARY BATTERY>REMOVAL

3.

Connect the cable to the negative (-) auxiliary battery terminal.

for HEV Model: Click hereGeneral>MAINTENANCE>M20F-FXS, M20G-FXS AUXILIARY BATTERY>INSTALLATION

for Gasoline Model: Click hereGeneral>MAINTENANCE>M20A-FKS, M20C-FKS, M20E-FKS AUXILIARY BATTERY>INSTALLATION



c.

Start the engine.


d.

Fully turn the steering wheel to the right and left on level ground.


e.

According to the display on the GTS, read the Data List.

Chassis > EMPS > Data List
Tester Display
Status of Learned Left/Right End Position for End Torque Limit Control
50003 405 215
Standard:

Left Direction (Decision Position) & Right Direction (Decision Position)



f.

If the results are not as specified, perform the procedure again from step (*1).