Anti-Lock Brake System Tc And Cg Terminal Circuit

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK CAN COMMUNICATION SYSTEM

INSPECT DLC3

CHECK HARNESS AND CONNECTOR (TC of DLC3 - ECM)

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

CHECK ECM (TC of DLC3 INPUT)

DESCRIPTION

WIRING DIAGRAM

HINT:

When the warning lights continue to blink, a ground short in the wiring of terminal TC of the DLC3 or an internal ground short in one or more ECUs is suspected.

INSPECTION PROCEDURE

1. Check if the CAN communication system DTC is output (COROLLA_ZRE142 RM000000XHV0F3X.html).
   
   

   Result:

   
   

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

1. Turn the ignition switch to ON.
   

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

   Standard Voltage:

   Tester Connection	Switch Condition	Specified Condition
   E11-13 (TC) - E11-4 (CG)	Ignition switch ON	11 to 14 V

   
   

   Result:

   
   

   Result	Proceed to
   NG	A
   OK	B

1. Turn the ignition switch off.
   

2. Disconnect the ECM connector.
   

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

   Standard Resistance:

   Tester Connection	Condition	Specified Condition
   E11-13 (TC) - A50-41 (TC)	Always	Below 1 Ω
   E11-13 (TC) - Body ground	Always	10 kΩ or higher

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

   Standard Resistance:

   Tester Connection	Condition	Specified Condition
   E11-4 (CG) - Body ground	Always	Below 1 Ω

1. Turn the ignition switch off.
   

2. Reconnect the ECM connector.
   

3. Using SST, connect terminals TC and CG of the DLC3.
   

SST

09843-18040

4. Turn the ignition switch to ON.
   

5. Check that the check engine warning light is blinking.
   
   

   Result:

   
   

   Result	Proceed to
   Check engine warning light is blinking	A
   Check engine warning light is not blinking	B

   HINT:

   If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step before replacing the part (COROLLA_ZRE142 RM000000XHN0DVX.html).