Brake Override System [10/2024 - ]: Procedure

1. Perform the Health Check using the GTS.
2. Check the DTCs.

   Result

   Result	Proceed to
   DTCs are not output	A
   DTCs are output	B

Result: 

B 

GO TO DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2024 - ] 

Result: 

A 

See step  2

1. Start the engine.
2. Read the value displayed on the GTS.

   Chassis > Brake/EPB > Data List 

   Tester Display
   Master Cylinder Sensor 1

   Standard

   -1.00 to 0.00 MPa (Brake pedal released).

   Standard

   Condition	Specified Condition
   Brake pedal depressed	Display changes according to brake pedal depression force

   Result

   Proceed to
   OK
   NG

Result: 

NG 

CHECK BRAKE ACTUATOR ASSEMBLY 

Result: 

OK 

See step  3

1. Turn the ignition switch to ON.
2. Read the value displayed on the GTS.

   Powertrain > Engine > Data List 

   Tester Display
   Stop Light SW

   OK

   Condition	Specified Condition
   Brake pedal depressed	ON
   Brake pedal released	OFF

   Result

   Proceed to
   OK
   NG

Result: 

NG 

INSPECT STOP LIGHT SWITCH ASSEMBLY. Refer to  ON-VEHICLE INSPECTION [10/2022 - ] 

Result: 

OK 

See step  4

1. Inspect and adjust the brake pedal.

   Refer to ADJUSTMENT [10/2022 - ]

   HINT: 

   If the stop light switch turns ON too late, the start of brake override system control may be delayed; if it turns ON too soon, brake override system control may begin too early, so conduct inspection of the brake pedal and stop light switch assembly.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE BRAKE PEDAL SUPPORT ASSEMBLY. Refer to  REMOVAL [10/2022 - ] 

Result: 

OK 

See step  5

1. Turn the ignition switch to ON.
2. Read the value displayed on the GTS.

   Powertrain > Engine > Data List 

   Tester Display
   Accelerator Position Sensor No. 1 Voltage %
   Accelerator Position Sensor No. 2 Voltage %

   Standard

   Condition	Specified Condition
   Accelerator Pedal Released → Depressed	Changes continuously

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE ACCELERATOR PEDAL SENSOR ASSEMBLY. Refer to  REMOVAL [10/2022 - ] 

Result: 

OK 

See step  6

1. Start the engine.
2. Read the value displayed on the GTS.

   Powertrain > Engine > Data List 

   Tester Display
   Vehicle Speed

   Standard

   Condition	Specified Condition
   Vehicle stopped, engine running	0 km/h (0 mph)
   Vehicle being driven at constant speed between 16.1 to 64.4 km/h (10 to 40 mph)	No large fluctuations when driving at a constant speed

   WARNING:

   When performing a drive test, obey all speed limits and traffic 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.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO METER / GAUGE SYSTEM (SPEED SIGNAL CIRCUIT). Refer to  Speed Signal Circuit [10/2022 - ] 

Result: 

OK 

See step  7

1. Start the engine.
2. Read the value displayed on the GTS.

   Chassis > Brake/EPB > Data List 

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

   Standard

   Condition	Specified Condition
   Vehicle stopped, engine running	0 km/h (0 mph)
   Vehicle being driven at constant speed between 16.1 to 64.4 km/h (10 to 40 mph)	No large fluctuations when driving at a constant speed

   WARNING:

   When performing a drive test, obey all speed limits and traffic 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.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END 

Result: 

NG 

INSPECT FRONT OR REAR SPEED SENSOR