Inspection Procedure

1. Check DTC.

   Result 

   RESULT CHART
   
   

   Result	Proceed to
   DTC C1300/62 is output (only C1300/62)	A
   Other DTC is output	B

B : REPAIR CIRCUIT INDICATED BY OUTPUT DTC 

A: Go to next step 

1. Disconnect the skid control ECU connector.
2. Turn the ignition switch on (IG).
3. Measure the voltage according to the value(s) in the table below.

   Voltage 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   A40-18 (IG1) - Body ground	Ignition switch on (IG)	10 to 14 V

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (IG1 CIRCUIT) 

Fig 1: Identifying Skid Control ECU Connector Terminals (IG1 Terminal Voltage)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to next step 

1. Disconnect the skid control ECU connector.
2. Measure the resistance according to the value(s) in the table below.

   Resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Specified Condition
   A40-4 (GND1) - Body ground	Below 1 Ω
   A40-1 (GND2) - Body ground	Below 1 Ω

NG: CHECK AND REPAIR HARNESS AND CONNECTOR (GND CIRCUIT) 

Fig 2: Identifying Skid Control ECU Connector Terminals (GND Terminal Continuity)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to next step 

1. Connect Telecaster to the DLC3.
2. Start the engine.
3. Select "DATA LIST" on Telecaster.

   DATA LIST: ABS / VSC / TRAC 

   DATA LIST
   
   

   Item	Measurement Item / Range (Display)	Normal condition
   ECU IG Power Voltage	ECU power supply voltage / TOO LOW, NORMAL or TOO HIGH	TOO HIGH: 14.0 V or over NORMAL: 9.5 V to 14.0 V TOO LOW: Below 9.5 V

4. Read the voltage condition output from the ECU displayed on Telecaster.

   OK: 

   "NORMAL" is displayed. 

NG: REPLACE BRAKE ACTUATOR ASSEMBLY 

OK : END