Inspection Procedure

1. Connect the intelligent tester to the DLC3.
2. Start the engine.
3. Select the "VSC / BR WARN BUZ" in the ACTIVE TEST and operate the skid control buzzer by the intelligent tester.
   VEHICLE CONDITION REFERENCE CHART
   
   

   Item	Vehicle Condition / Test Details	Diagnostic Note
   VSC / BR WARN BUZ	Turns skid control buzzer ON / OFF	Buzzer can be heard

4. Check that skid control buzzer sounds by operating the intelligent tester.

   OK: The skid control buzzer sounds in accordance with operation of the intelligent tester. 

NG: Go to step 2 

OK : REPLACE ABS AND TRACTION ACTUATOR ASSEMBLY 

Fig 1: Inspecting Skid Control Buzzer

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the skid control buzzer connector.
2. 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 : Go to Next Step 

1. Disconnect the skid control buzzer connector and the skid control ECU connector.
   Fig 2: Identifying Skid Control Buzzer Connector And Skid Control ECU Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Specified Condition
   S1-30 (BZ) - V10-1 (BZ)	Below 1 Ω

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

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Specified Condition
   S1-30 (BZ) - Body ground	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK : REPLACE ABS AND TRACTION ACTUATOR ASSEMBLY