Skid Control Buzzer Circuit

BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM: Skid Control Buzzer Circuit
- Skid Control Buzzer Circuit

DESCRIPTION

The skid control buzzer sounds and SLIP indicator blinking during VSC operation.

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1. PERFORM ACTIVE TEST USING TECHSTREAM (SKID CONTROL BUZZER)

(a) Connect Techstream to the DLC3.

(b) Start the engine.

(c) Select the item "Buzzer" in the Active Test and operate the skid control buzzer on Techstream.

ABS / VSC / TRAC:

(d) Check that skid control buzzer sounds by operating with Techstream.

OK:

The skid control buzzer sounds in accordance with operation of Techstream.

NG -- INSPECT SKID CONTROL BUZZER

OK -- REPLACE BRAKE ACTUATOR ASSEMBLY

2. INSPECT SKID CONTROL BUZZER

(a) Disconnect the skid control buzzer connector.

(b) Apply battery negative voltage to terminal 1, and battery positive voltage to terminal 2 of the skid control buzzer connector, and check that the buzzer sounds.

OK:

The skid control buzzer sound should be heard.

NG -- REPLACE SKID CONTROL BUZZER
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (SKID CONTROL BUZZER - SKID CONTROL ECU)

(a) Disconnect the skid control buzzer connector and the skid control ECU connector.

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

Standard resistance:

NOTICE:
When replacing the brake actuator assembly, perform zero point calibration Vehicle Stability Control System

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE BRAKE ACTUATOR ASSEMBLY