Diesel Data: Automotive Repair

TS and CG Terminal Circuit








BRAKE CONTROL: ANTI-LOCK BRAKE SYSTEM: TS and CG Terminal Circuit

TS and CG Terminal Circuit

DESCRIPTION

In the Test Mode (signal check), a malfunction of 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 (IG).

WIRING DIAGRAM





INSPECTION PROCEDURE
HINT: Check the condition of each related circuit connector before troubleshooting Electronic Circuit Inspection Procedure.

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU TO DLC3)




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





(c) Connect the connector.
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (SKID CONTROL ECU TO DLC3)
OK -- Continue to next step.
2. CHECK HARNESS AND CONNECTOR (DLC3 TO BODY GROUND)




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






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (DLC3 TO BODY GROUND)
OK -- Continue to next step.
3. CHECK HARNESS AND CONNECTOR (DLC3 TO BODY GROUND)




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






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (DLC3 TO BODY GROUND)
OK -- REPLACE BRAKE ACTUATOR ASSEMBLY