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.
   ITEM DIAGNOSTIC NOTE
   
   

   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 positive voltage to terminals 1 and 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 

Fig 2: Checking Harness And Connector (Skid Control Buzzer - Skid Control ECU)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the skid control buzzer connector and the skid control ECU connector.
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) - V6-1 (BZ)	Below 1 Ω

3. 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