Inspection Procedure

1. Select the Active Test, generate a control command, and then check that the ABS motor relay operates.

   ABS/VSC/TRAC: 

   CONTROL RANGE AND DIAGNOSTIC NOTE
   
   

   Tester Display	Test Part	Control Range	Diagnosis Note
   Motor Relay	ABS motor relay Relay	ON / OFF	Operation sound of motor can be heard

   OK: Operation sound of ABS motor is heard. 

NG: Go to step   3

OK: Go to next step. 

1. Clear the DTC (see DTC CHECK / CLEAR  ).
2. Start the engine.
3. Drive the vehicle at a speed of 6 km/h (4 mph) or more for several seconds.
4. Check if the same DTC is output (see DTC CHECK / CLEAR  ).

   Result 

   DTC RESULT DESCRIPTION
   
   

   Result	Proceed to
   DTC is output	A
   DTC is not output	B

B: END 

A: REPLACE ABS AND TRACTION ACTUATOR ASSEMBLY 

1. Remove the ABS1 H-fuse from the engine room No. 1 relay block.
2. Measure the resistance of the fuse.

   Standard resistance: Below 1 Ω 

NG: REPLACE FUSE 

OK: Go to next step. 

1. Disconnect the A19 connector.
Fig 1: Identifying A19 Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance of the wire harness side connector.

   Standard resistance 

   TESTER CONNECTION AND SPECIFIED CONDITION
   
   

   Tester Connection	Specified Condition
   A19-32 (GND1) - Body ground	Below 1 Ω
   A19-1 (GND2) - Body ground	Below 1 Ω

3. Measure the voltage of the wire harness side connector.

   Standard voltage 

   TESTER CONNECTION AND SPECIFIED CONDITION
   
   

   Tester Connection	Specified Condition
   A19-2 (BM) - Body ground	10 to 14 V

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK: REPLACE ABS AND TRACTION ACTUATOR ASSEMBLY