Brake Override System [11/2015 - 12/2018]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: System Select / Health Check.
5. Check for DTCs.

   Result

   Result	Proceed to
   No DTCs are output.	A
   DTCs are output.	B

6. Turn the power switch off.

Result: 

B 

GO TO  DTC INDEX 

Result: 

A 

See step  2

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (READY).
3. Turn the Techstream on.
4. Enter the following menus: Powertrain / Hybrid Control / Data List / Master Cylinder Control Torque.

   Powertrain > Hybrid Control > Data List 

   Tester Display
   Master Cylinder Control Torque

   Powertrain > Hybrid Control > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Master Cylinder Control Torque	Braking torque equivalent to master cylinder brake fluid pressure Total braking torque Master cylinder brake fluid pressure control torque = hydraulic brake control torque + rear regenerative brake torque	-	Brake pedal depressed: Changes with the brake pedal pressure	Master cylinder pressure sensor

   Result

   Result	Proceed to
   Display changes according to brake pedal depression force.	A
   Display does not change according to brake pedal depression force.	B

5. Turn the power switch off.

Result: 

B 

CHECK BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY. Refer to  ON-VEHICLE INSPECTION [11/2015 - ] 

Result: 

A 

See step  3

Refer to ON-VEHICLE INSPECTION [11/2015 - ]

Result

Result: 

NG 

REPLACE ACCELERATOR PEDAL SENSOR ASSEMBLY. Refer to  REMOVAL [11/2015 - 12/2018] 

Result: 

OK 

See step  4

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (READY).
3. Turn the Techstream on.
4. Enter the following menus: Powertrain / Hybrid Control / Data List / Vehicle Speed.

   Powertrain > Hybrid Control > Data List 

   Tester Display
   Vehicle Speed

5. Read the value of "Vehicle Speed" displayed on the Techstream.

   Standard

   Inspection Condition	Specified Condition
   Vehicle stopped	0 km/h (0 mph)
   Vehicle being driven at a constant speed (16 to 64 km/h (10 to 40 mph))	No large fluctuations in displayed speed

   WARNING:

   Perform this road test only in an appropriate safe location, in accordance with all local laws.

   HINT: 

   Data can be captured relatively easily by using the snapshot function in the Data List. Confirm the data after performing the drive test.

6. Turn the power switch off.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO METER / GAUGE SYSTEM (SPEED SIGNAL CIRCUIT). Refer to  Speed Signal Circuit [11/2015 - 12/2018] 

Result: 

OK 

See step  5

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (READY).
3. Turn the Techstream on.
4. Enter the following menus: Chassis / ABS/VSC/TRC / Data List / All Data / FR Wheel Speed, FL Wheel Speed, RR Wheel Speed and RL Wheel Speed.

   Chassis > ABS/VSC/TRAC > Data List 

   Tester Display
   FR Wheel Speed
   FL Wheel Speed
   RR Wheel Speed
   RL Wheel Speed

5. Read the value of "FR Wheel Speed", "FL Wheel Speed", "RR Wheel Speed" and "RL Wheel Speed" displayed on the Techstream.

   Standard

   Inspection Condition	Specified Condition
   Vehicle stopped	0 km/h (0 mph)
   Vehicle being driven at a constant speed (16 to 64 km/h (10 to 40 mph))	No large fluctuations in displayed speed

   WARNING:

   Perform this road test only in an appropriate safe location, in accordance with all local laws.

   HINT: 

   Data can be captured relatively easily by using the snapshot function in the Data List. Confirm the data after performing the drive test.

6. Turn the power switch off.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END 

Result: 

NG 

INSPECT FRONT OR REAR SPEED SENSOR. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2015 - 12/2018]