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

POWER ASSIST SYSTEMS  POWER STEERING ECU  INSTALLATION  


CAUTION / NOTICE / HINT

COMPONENTS (INSTALLATION)
C469392N01
0.521,0.615 1.354,0.781 0.833,0.167 4.385,1.677 6.688,3.49 2.302,1.813 2.875,0.854 3.229,0.854 false 2.583,1.781 3,1.781 false 3.313,2.635 3.656,2.635 false 1.354,0.698 1.708,0.698 false 5.698,2.833 6.01,2.833 false 5.073,1.844 5.365,1.844 false 3.573,0.688 3.854,1.042 0.281,0.354 18 false 2 3.469,1.604 3.75,1.958 0.281,0.354 18 false 1 3.698,2.531 3.979,2.885 0.281,0.354 10 false *1 1.813,0.635 2.042,0.854 0.229,0.219 10 false x2 0.583,0.615 1.417,0.781 0.833,0.167 8 false 18.5 (189, 14) 3.333,1.667 3.563,1.885 0.229,0.219 10 false 5.125,1.844 5.354,2.063 0.229,0.219 10 false x2 5.427,1.74 5.656,1.958 0.229,0.219 10 false 6.313,2.656 6.531,2.927 0.219,0.271 18 false 3 4.438,1.708 4.688,1.958 0.25,0.25 12 false *A

Procedure Part Name Code
Z101186

Z101188

Z101187

1 ELECTRIC POWER STEERING MOTOR SHAFT DAMPER 45254B (Click here) - -
2 POWER STEERING ECU ASSEMBLY 89650 (Click here) - -
3 UPPER STEERING COLUMN BRACKET WITH SWITCH ASSEMBLY 45280A (Click here) - -

*A w/o Smart Entry and Start System - -
*1 ELECTRIC POWER STEERING COLUMN SUB-ASSEMBLY - -
V100146

N*m (kgf*cm, ft.*lbf): Specified torque Non-reusable part
V100135

Grease - -

C469393N01
3.844,0.979 4.594,1.146 0.75,0.167 3.802,0.938 4.635,1.188 0.833,0.25 4.948,1.948 5.698,2.115 0.75,0.167 4.906,1.906 5.74,2.156 0.833,0.25 0.688,1.24 1.438,1.406 0.75,0.167 0.646,1.198 1.479,1.448 0.833,0.25 6.51,0.229 6.844,0.229 false 4.219,0.656 4.219,0.979 false 5.896,0.958 6.25,0.958 false 5.302,1.948 5.302,1.615 false 3.406,2 3.76,2 false 1.938,0.646 2.208,0.646 false 1.448,1.333 1.802,1.333 false 0.906,2.823 1.219,2.823 false 1.479,2.563 1.552,2.25 1.552,2.25 1.813,2.25 false 4.375,3.063 4.688,3.063 false 6.323,0.063 6.604,0.417 0.281,0.354 18 false 4 6.563,0.813 6.844,1.167 0.281,0.354 18 false 5 0.688,2.646 1.438,3.135 0.75,0.49 18 false 9 2.531,0.49 3.167,0.844 0.635,0.354 18 false 6, 7 3.833,1.844 4.115,2.198 0.281,0.354 18 false 8 5.385,1.49 5.698,1.688 0.313,0.198 10 false x2 1.917,1.24 2.229,1.438 0.313,0.198 10 false x2 3.917,0.979 4.99,1.177 1.073,0.198 8 false 36 (367, 27) 5.031,1.958 6.5,2.115 1.469,0.156 8 false 36 (367, 27) 0.75,1.24 1.635,1.479 0.885,0.24 8 false 64 (653, 47) 0.542,2.719 0.698,2.917 0.156,0.198 10 false 2.135,2.083 2.906,2.573 0.771,0.49 18 false 10 4.052,2.885 4.802,3.375 0.75,0.49 18 false 11 3.917,2.958 4.073,3.156 0.156,0.198 10 false

Procedure Part Name Code
Z101186

Z101188

Z101187

4 ALIGN FRONT WHEELS FACING STRAIGHT AHEAD - (Click here) - -
5 STEERING COLUMN ASSEMBLY - (Click here) - -
6 INSTALL NO. 2 STEERING INTERMEDIATE SHAFT ASSEMBLY 45260 (Click here) - -
7 CONNECT NO. 2 STEERING INTERMEDIATE SHAFT ASSEMBLY 45260 (Click here) - -
8 COLUMN HOLE COVER SILENCER SHEET 45259A - - -
9 STOP LIGHT SWITCH MOUNTING ADJUSTER 84345 - - -
10 STOP LIGHT SWITCH ASSEMBLY 84340 (Click here) - -
11 NO. 1 AIR DUCT 87211 - - -

V111893

Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping" : N*m (kgf*cm, ft.*lbf) Non-reusable part

C469396N01
2.156,1.313 2.823,1.479 0.667,0.167 2.115,1.271 2.865,1.521 0.75,0.25 1.667,3.281 1.969,3.281 false 0.583,4.729 0.583,4.396 false 1.25,5.365 1.25,5.031 false 3.448,1.344 3.292,1.344 3.292,1.344 3.292,1.042 false 4.229,1.76 4.563,1.76 false 4.698,1.094 4.698,0.76 false 1.344,0.99 1.688,0.99 false 2.042,2.208 2.042,1.875 false 0.813,2.5 0.813,2.167 false 5.385,1.792 5.385,2 false 3.542,2.552 3.875,2.552 false 2.823,1.396 3.052,1.396 false 6.75,1.938 6.583,1.938 false 5.75,4.135 5.5,4.135 false 5.99,4.906 5.74,4.906 false 1.115,5.375 1.521,5.729 0.406,0.354 18 false 25 0.448,4.729 0.854,5.083 0.406,0.354 18 false 24 3.885,1.583 4.448,2 0.563,0.417 18 false 20 5.24,2.031 5.708,2.385 0.469,0.354 18 false 19 3.24,2.385 3.688,2.792 0.448,0.406 18 false 21 3.792,1.167 4.198,1.521 0.406,0.354 18 false 12 4.552,1.115 4.99,1.469 0.438,0.354 18 false 13 0.99,0.833 1.323,1.219 0.333,0.385 18 false 14 1.906,2.229 2.406,2.573 0.5,0.344 18 false 15 0.677,2.521 1.135,2.844 0.458,0.323 18 false 16 3.427,3.51 3.74,3.708 0.313,0.198 10 false x2 3.052,1.427 3.365,1.625 0.313,0.198 10 false x2 2.208,1.313 2.917,1.479 0.708,0.167 8 false 10 (102, 7) 6.042,4.74 6.417,5.135 0.375,0.396 18 false 17 6.823,1.781 7.156,2.208 0.333,0.427 18 false 22 1.344,3.125 1.688,3.531 0.344,0.406 18 false 23 5.813,3.969 6.375,4.385 0.563,0.417 18 false 18

Procedure Part Name Code
Z101186

Z101188

Z101187

12 LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY 73900 (Click here) - -
13 LOWER CENTER INSTRUMENT PANEL FINISH PANEL 55434F - - -
14 LOWER INSTRUMENT PANEL FINISH PANEL 55432B - - -
15 HOOD LOCK CONTROL LEVER SUB-ASSEMBLY 53601 - - -
16 NO. 1 INSTRUMENT SIDE PANEL 55317E - - -
17 FRONT CONSOLE UPPER PANEL GARNISH 58831A - - -
18 NO. 2 BOX BOTTOM MAT 58917 - - -
19 NO. 1 CONSOLE UPPER PANEL GARNISH 58833B - - -
20 NO. 2 CONSOLE UPPER PANEL GARNISH 58834B - - -
21 NO. 1 FRONT CONSOLE BOX INSERT 58816D - - -
22 NO. 2 FRONT CONSOLE BOX INSERT 58817A - - -
23 NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY 55606 - - -
24 COWL SIDE TRIM SUB-ASSEMBLY LH 62112A - - -
25 FRONT DOOR SCUFF PLATE LH 57914B - - -

V111893

Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": N*m (kgf*cm, ft.*lbf) - -

C469395N02
5.99,2.594 6.823,2.802 0.833,0.208 5.958,2.563 6.854,2.833 0.896,0.271 3.76,3.729 5.271,4.542 1.51,0.813 6.427,2.594 6.427,2.313 false 6.604,0.24 6.865,0.24 false 6.625,0.667 6.813,0.667 false 6.625,1.031 6.802,1.031 false 1.323,0.823 1.594,0.823 1.594,0.823 1.99,1.313 false 1.667,2.198 1.938,2.198 1.938,2.198 2.104,2.49 false 1.323,4.073 1.646,4.073 false 5.896,3.354 6.167,3.354 6.167,3.354 6.229,3.469 false 3.948,1.333 4.219,1.333 4.219,1.333 4.26,1.438 false 4.344,4.177 4.667,4.177 false 3.583,3.365 3.896,3.563 0.313,0.198 10 false x3 6.042,2.604 6.917,2.813 0.875,0.208 10 false 62 (632, 46) 4.604,0.073 6.938,0.448 2.333,0.375 18 false 30, 34, 38, 39, 42 6.281,0.5 6.833,0.854 0.552,0.354 18 false 33 6.146,0.865 6.719,1.25 0.573,0.385 18 false , 41 5.854,0.896 6.594,1.135 0.74,0.24 12 false (*A) 4.656,0.875 6.656,1.302 2,0.427 18 false 35 - 37, 40 0.979,0.656 1.531,1.01 0.552,0.354 18 false 28 1.313,2.021 1.865,2.375 0.552,0.354 18 false 26 0.979,3.906 1.531,4.26 0.552,0.354 18 false 29 3.802,3.75 4.177,3.99 0.375,0.24 12 false *B 5.542,3.198 6.094,3.552 0.552,0.354 18 false 32 3.604,1.188 4.156,1.542 0.552,0.354 18 false 31 4.021,4.01 4.573,4.365 0.552,0.354 18 false 27

Procedure Part Name Code
Z101186

Z101188

Z101187

26 TURN SIGNAL SWITCH ASSEMBLY WITH SPIRAL CABLE SUB-ASSEMBLY - (Click here) - -
27 TRANSPONDER KEY COIL 89782 - - -
28 UPPER STEERING COLUMN COVER 45286B - - -
29 LOWER STEERING COLUMN COVER 45287 - - -
30 ADJUST SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY - (Click here) - -
31 STEERING WHEEL ASSEMBLY 45100 (Click here) - -
32 HORN BUTTON ASSEMBLY 45130 (Click here) - -
33 CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL - - - -
34 INSPECT HORN BUTTON ASSEMBLY 45130 (Click here) - -
35 UPDATE ECU SECURITY KEY - - - (Click here)
36 PERFORM POWER STEERING ECU INITIAL SETTING (TORQUE SENSOR ZERO POINT CALIBRATION AND ASSIST MAP WRITING) - - - (Click here)
37 PERFORM END POSITION INITIAL SETTING - - - (Click here)
38 PERFORM DIAGNOSTIC SYSTEM CHECK - (Click here) - -
39 INSPECT SRS WARNING LIGHT - (Click here) - -
40 PERFORM CALIBRATION - - - (Click here)
41 INITIALIZATION AFTER RECONNECTING AUXILIARY BATTERY TERMINAL - - - (Click here)
42 CHECK STEERING WHEEL CENTER POINT - (Click here) - -

*A w/ Panoramic View Monitor System *B w/o Smart Entry and Start System
V111893

Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping" : N*m (kgf*cm, ft.*lbf) - -

CAUTION / NOTICE / HINT

NOTICE:
·

After replacing the power steering ECU assembly, make sure to perform update ECU security key.

·

After performing the update ECU security key procedure, make sure to perform the initialization procedure for when the cable has been disconnected and reconnected to the negative (-) auxiliary battery terminal.



PROCEDURE

Hide 45254B 1.INSTALL ELECTRIC POWER STEERING MOTOR SHAFT DAMPER

a.
C436941C01
1.125,0.25 1.406,0.604 0.281,0.354 18 false i 4.292,0.26 4.573,0.615 0.281,0.354 18 false ii
V100135

Grease - -


i.

Apply grease to a new electric power steering motor shaft damper.

NOTICE:

First wipe off the existing grease from the serrated part, and then apply the dedicated grease supplied with a new power steering ECU assembly or electric power steering column sub-assembly.



ii.

Install the electric power steering motor shaft damper.



Hide 89650 2.INSTALL POWER STEERING ECU ASSEMBLY

Z101186

NOTICE:
·

Do not drop the power steering ECU assembly, strike it with tools or subject it to impacts.

·

If the power steering ECU assembly is subjected to an impact, replace it with a new one.

·

Do not pull the wire harness of the electric power steering column sub-assembly.

·

Do not allow any moisture to come into contact with the power steering ECU assembly.

·

Do not loosen any bolts not mentioned in the procedure.

·

Do not allow any foreign matter to contaminate the power steering ECU assembly.




a.
C465078C01
2.354,3.042 2.656,3.042 true 0.865,3.125 1.354,3.125 true 1.104,3.135 1.104,3.458 1.104,3.458 1.333,3.458 true 1.115,3.281 1.344,3.281 true 0.917,0.188 1.198,0.542 0.281,0.354 18 false i 4.26,0.198 4.542,0.552 0.281,0.354 18 false ii 0.729,2.083 1.01,2.438 0.281,0.354 18 false iii 4.25,2.094 4.531,2.448 0.281,0.354 18 false iv 0.74,3.979 1.021,4.333 0.281,0.354 18 false v 4.229,4.021 4.938,4.354 0.708,0.333 18 false vi, vii 2.302,5.927 2.688,6.292 0.385,0.365 18 false viii 0.688,3.021 1,3.219 0.313,0.198 10 false *a 2.698,2.938 3.01,3.135 0.313,0.198 10 false *b
*a Wooden Block *b Cloth
V113147

Rotate
V113148

Turn


i.

Temporarily install the power steering ECU assembly with the 2 bolts.

NOTICE:

When temporarily installing the 2 bolts to the power steering ECU assembly, do not tighten them all the way down.



ii.

Using a 10 mm hexagon socket wrench, install the steering wheel assembly set bolt to the steering main shaft.

NOTICE:

Do not apply excessive torque to the steering wheel assembly set bolt by using a tool such as an impact wrench.


HINT:

The steering wheel assembly set bolt is used for turning the steering main shaft during inspection of the steering main shaft rotating torque. Remove the steering wheel assembly set bolt after performing this inspection.



iii.

Secure the steering column assembly in a vise using aluminum plates, cloths and wooden blocks.

NOTICE:
·

Do not overtighten the vise, as the steering column assembly may become deformed.

·

Secure the power steering ECU assembly so that it is upright.

·

Support the steering column assembly with wooden blocks or similar items to ensure that it does not fall.




iv.

Rotate the steering main shaft 180 degrees counterclockwise and then 180 degrees clockwise at a speed of 60 rpm, and repeat 2 to 3 times to center the axis of the power steering ECU assembly. [*1]


v.

Tighten the 2 bolts. [*2]

Torque:
18.5 N*m (189 kgf*cm, 14 ft.*lbf)


vi.

Using a torque wrench, measure the turning torque of the steering main shaft.

Preload:

1.1 to 2.3 N*m (12 to 23 kgf*cm, 10 to 20 in.*lbf)


NOTICE:

Ensure that there is no abnormal resistance during rotation.



vii.

If the turning torque is not as specified, loosen the 2 bolts and repeat steps [*1] and [*2] to recenter the axis of the power steering ECU assembly.


viii.

Connect the connector.



Hide 45280A 3.INSTALL UPPER STEERING COLUMN BRACKET WITH SWITCH ASSEMBLY (w/o Smart Entry and Start System)

Hide 4.ALIGN FRONT WHEELS FACING STRAIGHT AHEAD

Hide 5.INSTALL STEERING COLUMN ASSEMBLY

Hide 45260 6.INSTALL NO. 2 STEERING INTERMEDIATE SHAFT ASSEMBLY

Hide 45260 7.CONNECT NO. 2 STEERING INTERMEDIATE SHAFT ASSEMBLY

Hide 45259A 8.INSTALL COLUMN HOLE COVER SILENCER SHEET

Hide 84345 9.INSTALL STOP LIGHT SWITCH MOUNTING ADJUSTER

Hide 84340 10.INSTALL STOP LIGHT SWITCH ASSEMBLY

Hide 87211 11.INSTALL NO. 1 AIR DUCT

Hide 73900 12.INSTALL LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY

Hide 55434F 13.INSTALL LOWER CENTER INSTRUMENT PANEL FINISH PANEL

Hide 55432B 14.INSTALL LOWER INSTRUMENT PANEL FINISH PANEL

Hide 53601 15.CONNECT HOOD LOCK CONTROL LEVER SUB-ASSEMBLY

Hide 55317E 16.INSTALL NO. 1 INSTRUMENT SIDE PANEL

Hide 58831A 17.INSTALL FRONT CONSOLE UPPER PANEL GARNISH

Hide 58917 18.INSTALL NO. 2 BOX BOTTOM MAT

Hide 58833B 19.INSTALL NO. 1 CONSOLE UPPER PANEL GARNISH

Hide 58834B 20.INSTALL NO. 2 CONSOLE UPPER PANEL GARNISH

Hide 58816D 21.INSTALL NO. 1 FRONT CONSOLE BOX INSERT

Hide 58817A 22.INSTALL NO. 2 FRONT CONSOLE BOX INSERT

Hide 55606 23.INSTALL NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY

Hide 62112A 24.INSTALL COWL SIDE TRIM SUB-ASSEMBLY LH

Hide 67914B 25.INSTALL FRONT DOOR SCUFF PLATE LH

Hide 26.INSTALL TURN SIGNAL SWITCH ASSEMBLY WITH SPIRAL CABLE SUB-ASSEMBLY

Hide 89782 27.INSTALL TRANSPONDER KEY COIL (w/o Smart Entry and Start System)

Hide 45286B 28.INSTALL UPPER STEERING COLUMN COVER

Hide 45287 29.INSTALL LOWER STEERING COLUMN COVER

Hide 45100 31.INSTALL STEERING WHEEL ASSEMBLY

Hide 45130 32.INSTALL HORN BUTTON ASSEMBLY

Hide 36. PERFORM POWER STEERING ECU INITIAL SETTING (TORQUE SENSOR ZERO POINT CALIBRATION AND ASSIST MAP WRITING)

Hide 41. INITIALIZATION AFTER RECONNECTING AUXILIARY BATTERY TERMINAL

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