Toyota RAV4 manuals

Toyota Sienna Service Manual: TC and CG Terminal Circuit

DESCRIPTION

Connecting terminals TC and CG of the DLC3 causes the ECU to display the DTC by blinking the ABS warning light and/or VSC warning light.

WIRING DIAGRAM

TC and CG Terminal Circuit

INSPECTION PROCEDURE

NOTICE: When replacing the brake actuator assembly, perform zero point calibration (See page BC-70).

1 CHECK CAN COMMUNICATION SYSTEM

(a) Check if the CAN communication system DTC is output (See page BC-82).

Result

2 INSPECT DLC3

 INSPECT DLC3

(a) Turn the ignition switch to the ON position.

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

Standard voltage

Result

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

CHECK HARNESS AND CONNECTOR (TC of DLC3 - ECM)

(a) Turn the ignition switch off.

(b) Disconnect the ECM connector.

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

Standard resistance

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

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

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

Standard resistance

5 CHECK ECM (TC of DLC3 INPUT)

 CHECK ECM (TC of DLC3 INPUT)

(a) Reconnect the ECM connector.

(b) Using SST, connect terminals TC and CG of the DLC3.

SST 09843-18040

(c) Turn the ignition switch to the ON position.

(d) Check that the check engine warning light is blinking.

Result

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 (See page BC-79).

REPLACE BRAKE ACTUATOR ASSEMBLY

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