Inspection Procedure

1. Connect the intelligent tester to the DLC3.
2. Turn the ignition switch on and turn the intelligent tester main switch on.
3. Select ACTIVE TEST mode on the intelligent tester.

   ABS/VSC/TRAC: 

   ITEM DIAGNOSTIC NOTE CHART
   
   

   Item (Display)	Vehicle Condition/Test Details	Diagnostic Note
   BUZZER	Turns skid control buzzer ON/OFF	Buzzer can be heard

4. Check that the buzzer sounds/stops when turning the skid control buzzer on/off using the intelligent tester.

   Result 

   RESULT CHART
   
   

   Condition	Proceed To
   Buzzer sounds/stops	A
   Buzzer does not sound or sounds constantly	B

   HINT:

   If troubleshooting has been carried out , refer and proceed to the next step PROBLEM SYMPTOMS TABLE  .

A: END 

B: Go to Next Step 

1. Disconnect the skid control buzzer connector.
   Fig 1: Inspecting Skid Control Buzzer (Power Source Terminal)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Turn the ignition switch on.
3. Measure the voltage according to the value(s) in the table below.

   Voltage 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   V8-2 - Body ground	Ignition switch on	10 to 14 V

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to Next Step 

1. Disconnect the skid control buzzer connector.
   Fig 2: Inspecting Skid Control Buzzer

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Apply battery negative voltage to terminal 1, and battery positive voltage to terminal 2 of the skid control buzzer, and then check that the buzzer sounds.

   OK: 

   Skid control buzzer sounds. 

NG: REPLACE SKID CONTROL BUZZER 

OK: Go to Next Step 

1. Disconnect the skid control buzzer connector and the skid control ECU connector.
   Fig 3: Checking Harness And Connector (Between Skid Control ECU And Skid Control Buzzer)

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

   Resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Specified Condition
   S38-33 (VBZ) - V8-2 (VBZ)	Below 1 Ω
   S38-12 (BZ) - V8-1 (BZ)	Below 1 Ω

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

   Resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Specified Condition
   S38-33 (VBZ) - Body ground	10 kΩ or higher
   S38-12 (BZ) - Body ground	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to Next Step 

1. Measure the resistance according to the value(s) in the table below.
   Fig 4: Inspecting Skid Control ECU (GND Terminal)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Specified Condition
   S37-1 (GND1) - Body ground	Below 1 Ω
   S38-2 (GND2) - Body ground	Below 1 Ω
   S38-1 (GND3) - Body ground	Below 1 Ω
   S39-2 (GND4) - Body ground	Below 1 Ω
   S39-1 (GND5) - Body ground	Below 1 Ω
   S40-4 (GND6) - Body ground	Below 1 Ω

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: REPLACE SKID CONTROL ECU