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

NOTE: When replacing the ABS and TRACTION actuator assembly, perform zero point calibration (Programming and Relearning).

PROCEDURE

1. PERFORM ACTIVE TEST BY TECHSTREAM (SKID CONTROL BUZZER)
(a) Connect Techstream to the DLC3.
(b) Start the engine.
(c) Select the "VSC H/B Warning Buzzer" in the Actve Test and operate the skid control buzzer by Techstream.

ABS / VSC / TRAC:

(d) Check that skid control buzzer sounds by operating Techstream.
OK:
The skid control buzzer sounds in accordance with operation of Techstream.
NG -- INSPECT SKID CONTROL BUZZER
OK -- REPLACE ABS AND TRACTION ACTUATOR ASSEMBLY
2. INSPECT SKID CONTROL BUZZER

(a) Disconnect the skid control buzzer connector.
(b) Apply a battery negative voltage to terminal 1 and 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:

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE ABS AND TRACTION ACTUATOR ASSEMBLY