Anti-Lock Brake System (For Sedan) Ts And Cg Terminal Circuit

Brake. Yaris. Ncp93, 131
Brake Control Dynamic Control Systems. Yaris. Ncp93, 131

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK CAN COMMUNICATION SYSTEM

INSPECT DLC3

CHECK HARNESS AND CONNECTOR (TS of DLC3 - POWER STEERING ECU ASSEMBLY)

CHECK HARNESS AND CONNECTOR (CG of DLC3 - BODY GROUND)

INSPECT POWER STEERING ECU ASSEMBLY

ANTI-LOCK BRAKE SYSTEM (for Sedan) - TS and CG Terminal Circuit


DESCRIPTION

In the Test Mode (signal check), a malfunction in the speed sensor that cannot be detected when the vehicle is stopped can be detected while driving.
Transition to the sensor check mode can be performed by connecting terminals TS and CG of the DLC3 and turning the ignition switch from off to ON.

WIRING DIAGRAM


Yaris. Ncp93, 131.Brake Control Dynamic Control Systems.Anti-Lock Brake System (For Sedan).Anti-Lock Brake System (For Sedan) Ts And Cg Terminal Circuit


INSPECTION PROCEDURE

1.CHECK CAN COMMUNICATION SYSTEM

  1. Check if CAN communication system DTCs are output (YARIS_NCP93 RM000001D3E00OX.html).

    Result
    Result
    		Proceed to
    DTC is not output
    		A
    DTC is output
    		B


B
GO TO CAN COMMUNICATION SYSTEM (YARIS_NCP93 RM000001D3500JX.html)
A


2.INSPECT DLC3


    Yaris. Ncp93, 131.Brake Control Dynamic Control Systems.Anti-Lock Brake System (For Sedan).Anti-Lock Brake System (For Sedan) Ts And Cg Terminal Circuit

  1. Turn the ignition switch to ON.

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

    Standard Voltage:
    Tester Connection
    		Switch Condition
    		Specified Condition
    D15-12 (TS) - D15-4 (CG)
    		Ignition switch ON
    		11 to 14 V
    Text in Illustration
    *a
    		Front view of DLC3
    Result
    Result
    		Proceed to
    NG
    		A
    OK
    		B


B
Go to step 5
A


3.CHECK HARNESS AND CONNECTOR (TS of DLC3 - POWER STEERING ECU ASSEMBLY)

  1. Turn the ignition switch off.

  1. Disconnect the D31 power steering ECU connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    D15-12 (TS) - D31-11 (TS)
    		Always
    		Below 1 Ω
    D15-12 (TS) - Body ground
    		Always
    		10 kΩ or higher

  1. Reconnect the D31 power steering ECU connector.



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


4.CHECK HARNESS AND CONNECTOR (CG of DLC3 - BODY GROUND)

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    D15-4 (CG) - Body ground
    		Always
    		Below 1 Ω
HINT:
If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step before replacing the part (YARIS_NCP93 RM000000XHN0AWX.html).


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


5.INSPECT POWER STEERING ECU ASSEMBLY
Yaris. Ncp93, 131.Brake Control Dynamic Control Systems.Anti-Lock Brake System (For Sedan).Anti-Lock Brake System (For Sedan) Ts And Cg Terminal Circuit
SST
09843-18040

  1. Turn the ignition switch off.

  1. Using SST, connect terminals TS and CG of the DLC3.

  1. Turn the ignition switch to ON.

  1. Check that the PS warning light is blinking.

    Text in Illustration
    *a
    		Front view of DLC3
Result
Result
Proceed to
Check PS warning light is not blinking
A
Check PS warning light is blinking
B


B
REPLACE BRAKE ACTUATOR ASSEMBLY (YARIS_NCP93 RM000001BXP02FX.html)
A

CHECK POWER STEERING ECU ASSEMBLY (YARIS_NCP93 RM000001EEX046X.html)