Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM100000001HEA8
Model Year Start: 2020 Model: GR Corolla Prod Date Range: [01/2019 - 09/2022]
Title: THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): B2282,B2283; Vehicle Speed Signal Malfunction; 2020 - 2022 MY Corolla Corolla Hatchback GR Corolla [01/2019 - 09/2022]

DTC

B2282

Vehicle Speed Signal Malfunction

DTC

B2283

Vehicle Speed Sensor Malfunction

DESCRIPTION

DTC B2282 is stored when the vehicle speed signal sent from the skid control ECU via direct line and sent from the combination meter assembly via CAN communication do not match.

DTC B2283 is stored when a malfunction in the vehicle speed sensor is detected.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Note

B2282

Vehicle Speed Signal Malfunction

The vehicle speed signal sent from the skid control ECU via direct line and sent from the combination meter assembly via CAN communication do not match. (1-trip detection logic*)
  • Meter/gauge system
  • Vehicle stability control system
  • Certification ECU (smart key ECU assembly)
  • Wire harness or connector

DTC Output Confirmation Operation:

  • Drive the vehicle at a vehicle speed of 25 km/h (16 mph) or more for 20 seconds, and then drive the vehicle at a vehicle speed of less than 5 km/h (3 mph) for 20 seconds.

B2283

Vehicle Speed Sensor Malfunction

Either of the of the following malfunctions is detected (a vehicle speed sensor malfunction is detected) (1-trip detection logic*):

  • Vehicle speed signal malfunction detection 1: Excessive deceleration is detected
  • Vehicle speed signal malfunction detection 2: Engine speed linked malfunction detected
  • Meter/gauge system
  • Vehicle stability control system
  • Certification ECU (smart key ECU assembly)
  • Wire harness or connector

DTC Output Confirmation Operation:

  • Run the engine at an engine speed of 2000 rpm or more for 300 seconds.
  • Drive the vehicle at a vehicle speed of 50 km/h (31 mph) or more for 10 seconds, and then drive the vehicle at a vehicle speed of less than 50 km/h (31 mph).
  • *: Only detected while a malfunction is present and the engine switch is on (IG).

Vehicle Condition and Fail-safe Function when Malfunction Detected

DTC Code

Vehicle Condition when Malfunction Detected

Fail-safe Function when Malfunction Detected

B2282
  • When the signal sent via either direct line or CAN communication is malfunctioning and indicates that the vehicle speed is 0 km/h (0 mph), there is no effect on vehicle behavior.
  • When the signal sent via either direct line or CAN communication is malfunctioning and indicates that the vehicle is moving, the engine switch cannot be turned from on (IG) to off.

-

B2283
  • The power source mode is changed to off (the engine is stopped) by pressing the engine switch while the vehicle is being driven.
  • With the electrical key transmitter sub-assembly in the cabin, even if an engine start operation is performed, the engine will not start.

Steering lock motor operation is prohibited.

Related Data List and Active Test Items

DTC No.

Data List and Active Test

B2282

B2283

Power Source Control

  • Vehicle Speed Signal
  • Engine Condition
  • Power Supply Condition

Starting Control

  • Engine Speed

Combination Meter

  • Vehicle Speed Meter

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • When using the Techstream with the engine switch off, connect the Techstream to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the Techstream and the vehicle begins. Then select the vehicle type under manual mode and enter the following menus Body Electrical Smart Key. While using the Techstream, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the Techstream and the vehicle.
  • The smart key system (for Start Function) uses the LIN communication system and CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the smart key system (for Start Function) after confirming that the communication systems are functioning properly.

    Click here 2020 - 2022 MY Corolla Corolla Hatchback GR Corolla [01/2019 - 09/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING

  • Before replacing the certification ECU (smart key ECU assembly), refer to Registration.

    Click here 2020 MY Corolla Corolla Hatchback GR Corolla [01/2019 - 09/2019]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION 2020 MY Corolla Corolla Hatchback GR Corolla [09/2019 - 04/2020]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION 2021 - 2022 MY Corolla Corolla Hatchback GR Corolla [04/2020 - 09/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION

  • After repair, confirm that no DTCs are output by performing "DTC Output Confirmation Operation".

PROCEDURE

1.

READ VALUE USING TECHSTREAM (VEHICLE SPEED SIGNAL)

(a) Enter the following menus: Body Electrical / Power Source Control / Data List.

(b) Read the Data List according to the display on the Techstream.

Body Electrical > Power Source Control > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

Vehicle Speed Signal

Vehicle being driven or stopped

Stop or Run

Stop: Vehicle stopped

Run: Vehicle being driven at 5 km/h (3 mph) or more

-

Body Electrical > Power Source Control > Data List

Tester Display

Vehicle Speed Signal

OK:

The Techstream display changes correctly in response to the vehicle condition.

OK

GO TO METER / GAUGE SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING)

NG

2.

CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) - SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY))

(a) Disconnect the I1 certification ECU (smart key ECU assembly) connector.

(b) Disconnect the A51*1 or A100*2 skid control ECU (brake actuator assembly) connector.

  • *1: w/ Electric Parking Brake System
  • *2: w/o Electric Parking Brake System

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

Standard Resistance:

w/ Electric Parking Brake System

Tester Connection

Condition

Specified Condition

I1-7 (SPD) - A51-34 (SP1)

Always

Below 1 Ω

I1-7 (SPD) or A51-34 (SP1) - Other terminals and body ground

Always

10 kΩ or higher

w/o Electric Parking Brake System

Tester Connection

Condition

Specified Condition

I1-7 (SPD) - A100-2 (SP1)

Always

Below 1 Ω

I1-7 (SPD) or A100-2 (SP1) - Other terminals and body ground

Always

10 kΩ or higher
NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

3.

CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

(a) Connect the I1 certification ECU (smart key ECU assembly) connector.

(b) Connect the A51 skid control ECU (brake actuator assembly) connector.

(c) Using an oscilloscope, check the waveform.

*a

Component with harness connected

(Certification ECU (Smart Key ECU Assembly))

*b

Waveform

OK:

Tester Connection

Condition

Tool Setting

Specified Condition

I1-7 (SPD) - I1-18 (E)

Engine switch on (IG), vehicle being driven at approx. 5 km/h (3 mph)

5 V/DIV., 20 ms./DIV.

Pulse generation

(See waveform)

HINT:

The wavelength becomes shorter as the vehicle speed increases.

OK

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 03/2019]; THEFT DETERRENT / KEYLESS ENTRY: CERTIFICATION ECU: REMOVAL 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 09/2022]; THEFT DETERRENT / KEYLESS ENTRY: CERTIFICATION ECU: REMOVAL

NG

GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING)

w/ Electric Parking Brake System: Click here 2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model with Electric Parking Brake System): HOW TO PROCEED WITH TROUBLESHOOTING

w/o Electric Parking Brake System: Click here 2020 - 2022 MY Corolla Corolla Hatchback GR Corolla [01/2019 - 09/2022]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model without Electric Parking Brake System): HOW TO PROCEED WITH TROUBLESHOOTING