Tire Pressure Warning System (For Hatchback) Tc And Cg Terminal Circuit

Suspension. Yaris. Ncp93, 131
Tire Pressure Monitoring. Yaris. Ncp93, 131

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK CAN COMMUNICATION SYSTEM

CHECK DTC (C2179/79)

CHECK HARNESS AND CONNECTOR (TC of DLC3 - ECM)

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

INSPECT DLC3 (TC VOLTAGE)

TIRE PRESSURE WARNING SYSTEM (for Hatchback) - TC and CG Terminal Circuit


DESCRIPTION

DTC output mode is set by connecting terminals 13 (TC) and 4 (CG) of the DLC3. The DTCs are indicated by the blinking of the tire pressure warning light.

WIRING DIAGRAM


Yaris. Ncp93, 131.Tire Pressure Monitoring.Tire Pressure Warning System (For Sedan).Tire Pressure Warning System (For Hatchback) Tc And Cg Terminal Circuit


INSPECTION PROCEDURE

1.CHECK CAN COMMUNICATION SYSTEM

  1. Check if a CAN communication system DTC is output.

    Yaw Rate Sensor Type
    		See Page
    for Hatchback except Separate Type Yaw Rate Sensor
    		YARIS_NCP93 RM000001RSW02LX.html
    for Hatchback with Separate Type Yaw Rate Sensor
    		YARIS_NCP93 RM000001RSW02PX.html
    Result
    Result
    		Proceed to
    DTCs is not output
    		A
    DTCs is output (for Hatchback except Separate Type Yaw Rate Sensor)
    		B
    DTCs is output (for Hatchback with Separate Type Yaw Rate Sensor)
    		C


B
GO TO CAN COMMUNICATION SYSTEM (YARIS_NCP93 RM000001RSO05UX.html)

C
GO TO CAN COMMUNICATION SYSTEM (YARIS_NCP93 RM000001RSO066X.html)
A


2.CHECK DTC (C2179/79)

  1. Check if DTC C2179/79 is output (YARIS_NCP93 RM000003B9X020X.html).

    Result:
    Result
    		Proceed to
    DTC C2179/79 is not output.
    		A
    DTC C2179/79 is output.
    		B


B
GO TO DTC C2179/79 (YARIS_NCP93 RM000003B9X020X.html)
A


3.CHECK HARNESS AND CONNECTOR (TC of DLC3 - ECM)

  1. Disconnect the ECM connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    D102-13 (TC) - A72-23 (TC)
    		Always
    		Below 1 Ω
    D102-13 (TC) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


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


    Yaris. Ncp93, 131.Tire Pressure Monitoring.Tire Pressure Warning System (For Sedan).Tire Pressure Warning System (For Hatchback) Tc And Cg Terminal Circuit

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    D102-4 (CG) - Body ground
    		Always
    		Below 1 Ω
    Text in Illustration
    *a
    		Front view of DLC3


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


5.INSPECT DLC3 (TC VOLTAGE)


    Yaris. Ncp93, 131.Tire Pressure Monitoring.Tire Pressure Warning System (For Sedan).Tire Pressure Warning System (For Hatchback) Tc And Cg Terminal Circuit

  1. Connect the ECM connector.

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

    Standard Voltage:
    Tester Connection
    		Switch Condition
    		Specified Condition
    D102-13 (TC) - D102-4 (CG)
    		Ignition switch ON
    		11 to 14 V
    Text in Illustration
    *a
    		Front view of DLC3


NG
REPLACE ECM (YARIS_NCP93 RM000001CN002IX.html)
OK

REPLACE PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (YARIS_NCP93 RM000000XMT06SX.html)