TC and CG Terminal Circuit

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DESCRIPTION
Connecting terminals TC and CG of the DLC3 causes the skid control ECU to display the DTC by blinking the ABS warning light.

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 ECU is suspected.

WIRING DIAGRAM

INSPECTION PROCEDURE

1.CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - TC of DLC3)

Detail

Disconnect the skid control ECU connector.
Measure the resistance according to the value (s) in the table below.

Standard resistance:

Tester Connection Condition Specified Condition

S13-19 (TC) - D3-4 (TC) Always Below 1 Ω

REPAIR OR REPLACE HARNESS OR CONNECTOR

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

Tester Connection	Condition	Specified Condition
S13-19 (TC) - D3-4 (TC)	Always	Below 1 Ω

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

Detail

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

Standard resistance:

Tester Connection Condition Specified Condition

D3-13 (CG) - Body ground Always Below 1 Ω

REPAIR OR REPLACE HARNESS OR CONNECTOR

[3] CHECK HARNESS AND CONNECTOR
(TC of DLC3 - BODY GROUND)

Tester Connection	Condition	Specified Condition
D3-13 (CG) - Body ground	Always	Below 1 Ω

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

Detail

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

Standard resistance:

Tester Connection Condition Specified Condition
D3-13 (CG) - Body ground Always Below 1Ω

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 (See PROBLEM SYMPTOMS TABLE).
　

REPAIR OR REPLACE WIRE HARNESS OR EACH ECU

REPLACE SKID CONTROL ECU