RM35X0E _54 Brake _078667 BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS _0385049 ELECTRONICALLY CONTROLLED BRAKE SYSTEM(w/ VSC OFF Switch) J

BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS  ELECTRONICALLY CONTROLLED BRAKE SYSTEM(w/ VSC OFF Switch)  AUTO LSD Indicator Light Remains ON  


DESCRIPTION

The AUTO LSD is a system. When the VSC OFF switch is pushed on, the AUTO LSD function is available and the AUTO LSD indicator light illuminates.

HINT:

The AUTO LSD does not operate even if the VSC OFF switch (telltale light assembly) is pressed under the following conditions:

·

The TRC or VSC system is faulty.

·

The temperature inside the brake actuator assembly increases and the AUTO LSD operation is suspended.



WIRING DIAGRAM

C397530E18
0.906,0.927 1.521,1.125 0.615,0.198 10 false CANL 0.896,1.74 1.51,1.938 0.615,0.198 10 false CANH 0.104,3.917 0.719,4.115 0.615,0.198 10 false N22 0.104,4.094 2.031,4.375 1.927,0.281 10 false Combination Meter Assembly 1.406,0.75 1.719,0.948 0.313,0.198 10 false 25 1.406,1.552 1.719,1.75 0.313,0.198 10 false 9 5.083,0.75 5.396,0.948 0.313,0.198 10 false 14 5.073,1.563 5.385,1.76 0.313,0.198 10 false 26 4.729,2.625 5.042,2.823 0.313,0.198 10 false 5 4.51,2.823 4.823,3.021 0.313,0.198 10 false + 3.833,2.833 4.146,3.031 0.313,0.198 10 false E 3.604,2.625 3.917,2.823 0.313,0.198 10 false 2 5.094,2.625 5.406,2.823 0.313,0.198 10 false 22 5.375,0.927 5.99,1.125 0.615,0.198 10 false CANL 5.375,1.74 5.99,1.938 0.615,0.198 10 false CANH 5.365,2.844 5.979,3.042 0.615,0.198 10 false CSW 3.708,3.104 4.323,3.302 0.615,0.198 10 false N6 3.698,3.26 5.458,3.563 1.76,0.302 10 false VSC OFF Switch 2.948,4.333 5.042,4.594 2.094,0.26 10 false : CAN Communication Line 6.49,2.74 7.104,2.938 0.615,0.198 10 false IC 5.302,3.948 5.917,4.146 0.615,0.198 10 false A28 5.302,4.104 6.854,4.49 1.552,0.385 10 false Skid Control ECU (Brake Actuator Assembly)

CAUTION / NOTICE / HINT

NOTICE:

After replacing the skid control ECU (brake actuator assembly), perform acceleration sensor zero point calibration and store system information memorization.

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/ VSC OFF Switch)>UTILITY


PROCEDURE

1.INSPECT VSC OFF SWITCH
a.

Inspect the VSC OFF switch.

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>VSC OFF SWITCH>INSPECTION


Result:
Proceed to
OK
NG



OK

2.CHECK HARNESS AND CONNECTOR (BRAKE ACTUATOR ASSEMBLY - VSC OFF SWITCH)

NG

REPLACE VSC OFF SWITCH

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>VSC OFF SWITCH>REMOVAL


2.CHECK HARNESS AND CONNECTOR (BRAKE ACTUATOR ASSEMBLY - VSC OFF SWITCH)
a.

Make sure that there is no looseness at the locking part and the connecting part of the connector.

OK:

The connector is securely connected.



b.

Disconnect the A28 skid control ECU (brake actuator assembly) connector.


c.

Disconnect the N6 VSC OFF switch connector.


d.

Check both the connector case and the terminals for deformation and corrosion.

OK:

No deformation or corrosion.



e.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
N6-5 (+) or A28-22 (CSW) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

3.INSPECT COMBINATION METER ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

3.INSPECT COMBINATION METER ASSEMBLY
a.

Connect the GTS to the DLC3.


b.

Turn the ignition switch to ON.


c.

Enter the following menus: Body Electrical / Combination Meter / Active Test.


d.

Perform the Active Test of the combination meter assembly using the GTS.

Click hereVehicle Interior>METER / GAUGE / DISPLAY>METER / GAUGE SYSTEM>DATA LIST / ACTIVE TEST

Body Electrical > Combination Meter > Active Test
Tester Display
Auto LSD Indicator
50004 409 102

e.

Check the combination meter assembly.

OK:

The Auto LSD light turns on or off in accordance with the GTS operation.



Result:
Proceed to
OK
NG



OK

REPLACE BRAKE ACTUATOR ASSEMBLY

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>BRAKE ACTUATOR>REMOVAL


NG

INSPECT METER / GAUGE SYSTEM

Click hereVehicle Interior>METER / GAUGE / DISPLAY>METER / GAUGE SYSTEM>HOW TO PROCEED WITH TROUBLESHOOTING