Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001XOFS
Model Year Start: 2022 Model: Avalon Prod Date Range: [08/2021 -           ]
Title: PARKING BRAKE: ELECTRIC PARKING BRAKE SYSTEM (for Gasoline Model): FREEZE FRAME DATA; 2022 MY Avalon [08/2021 -        ]

FREEZE FRAME DATA

FREEZE FRAME DATA

HINT:

  • When a DTC is stored, the freeze frame data stores the current vehicle (sensor) state as.
  • The freeze frame data cannot be cleared or updated until the recorded DTCs are cleared.

Chassis > Brake/EPB

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

IG1 Voltage Value

IG1 terminal voltage value (value detected by ECU)

Min.: 0.0 V, Max.: 25.5 V

Engine switch ON: 11.0 to 14.0 V

Changes in proportion to battery voltage

BS1 Voltage Value

+BS terminal voltage value (value detected by ECU)

Min.: 0.0 V, Max.: 25.5 V

Engine switch ON: 11.0 to 14.0 V

Changes in proportion to battery voltage

FR Wheel Speed

Front wheel speed sensor RH reading

Min.: 0.0 km/h (0.0 mph), Max.: 6553.5 km/h (4072 mph)

Vehicle stopped: 0.0 km/h (0.0 mph)

When driving at constant speed: No large fluctuations

FL Wheel Speed

Front wheel speed sensor LH reading

Min.: 0.0 km/h (0.0 mph), Max.: 6553.5 km/h (4072 mph)

Vehicle stopped: 0.0 km/h (0.0 mph)

When driving at constant speed: No large fluctuations

RR Wheel Speed

Rear wheel speed sensor RH reading

Min.: 0.0 km/h (0.0 mph), Max.: 6553.5 km/h (4072 mph)

Vehicle stopped: 0.0 km/h (0.0 mph)

When driving at constant speed: No large fluctuations

RL Wheel Speed

Rear wheel speed sensor LH reading

Min.: 0.0 km/h (0.0 mph), Max.: 6553.5 km/h (4072 mph)

Vehicle stopped: 0.0 km/h (0.0 mph)

When driving at constant speed: No large fluctuations

Forward and Rearward G

Forward and rearward G

Min.: -25.105 m/s2, Max.: 24.908 m/s2

During deceleration: -25.105 to 0.000 m/s2

During acceleration: 0.000 to 24.908 m/s2

During acceleration/deceleration: Changes in proportion with acceleration

Accelerator Opening Angle %

Percentage of accelerator pedal opening angle

Min.: 0.0%, Max.: 127.5%

Accelerator pedal released: 0.0%

During accelerator pedal operation: Changes in proportion with the pedal movement

Shift Lever Position

Shift lever position information

fail / 1st / 2nd / 3rd / 4th / 5th / 6th / B / D/M / N / P / R / No input

Actual shift lever position

-

Brake Hold Control Mode

Brake hold control mode

Out of control mode /

Pressure hold mode /

Pressure release mode /

EPB lock mode

Out of control mode: Brake hold control system is off or brake hold control system is stand-by mode (brake hold standby indicator light is illuminated)

Pressure hold mode: Brake hold control is operating (brake hold operated indicator light is illuminated)

Pressure release mode: Brake hold control is released (brake hold standby indicator light not illuminated)

EPB lock mode: Parking brake is engaged during brake hold control

HINT:

  • EPB stands for electric parking brake
  • If the brake pedal is not depressed for 3 minutes or more after entering pressure hold mode, the system automatically changes to EPB lock mode

Vehicle Speed

Vehicle speed (vehicle speed used for each control)

Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph)

Vehicle stopped: 0.0 km/h (0.0 mph)

When driving at constant speed: No large fluctuations

Vehicle Speed Grade

Vehicle speed grade

Min.: -25.105 m/s2, Max.: 24.908 m/s2

Vehicle stopped: 0.000 m/s2

During deceleration: -25.105 to 0.000 m/s2

During acceleration: 0.000 to 24.908 m/s2

During deceleration/acceleration: Changes continuously

IG Switch

Engine switch ON status

OFF / ON

-

-

Parking Brake SW

Parking brake switch assembly

OFF / ON

OFF: Parking brake released

ON: Parking brake applied

-

EFI Communication Open

ECM communication open detection

Error / Normal

Error: Momentary interruption

Normal: Normal

-

Deceleration Open

Acceleration sensor open detection

Error / Normal

Error: Momentary interruption

Normal: Normal

-

ECU +B1 Voltage

Skid control ECU (brake actuator assembly) +B1 voltage

Min.: 0.0 V, Max.: 25.5 V

11 to 14 V

-

RH Actuator Motor Input Voltage

Parking brake motor RH (parking brake actuator assembly RH) input voltage

Min.: 0.0 V, Max.: 25.5 V

-

-

LH Actuator Motor Input Voltage

Parking brake motor LH (parking brake actuator assembly LH) input voltage

Min.: 0.0 V, Max.: 25.5 V

-

-

RH Actuator Motor +Terminal Voltage

Parking brake motor RH (parking brake actuator assembly RH) positive (+) terminal side voltage

Min.: 0.0 V, Max.: 25.5 V

-

-

LH Actuator Motor +Terminal Voltage

Parking brake motor LH (parking brake actuator assembly LH) positive (+) terminal side voltage

Min.: 0.0 V, Max.: 25.5 V

-

-

RH Actuator Motor -Terminal Voltage

Parking brake motor RH (parking brake actuator assembly RH) negative (-) terminal side voltage

Min.: 0.0 V, Max.: 25.5 V

-

-

LH Actuator Motor -Terminal Voltage

Parking brake motor LH (parking brake actuator assembly LH) negative (-) terminal side voltage

Min.: 0.0 V, Max.: 25.5 V

-

-

EPB Switch

Electric parking brake switch input

OFF / Lock / Release / Unknown

OFF: Lock switch and release switch are off

Lock: Lock switch on

Release: Release switch on

When not normal, electric parking brake switch release side system may be malfunctioning

HINT:

EPB stands for electric parking brake.

RH Actuator Motor Actual Current

Parking brake motor RH (parking brake actuator assembly RH) current value

Min.: -5.0362 A, Max.: 50.5004 A

-

-

LH Actuator Motor Actual Current

Parking brake motor LH (parking brake actuator assembly LH) current value

Min.: -5.0362 A, Max.: 50.5004 A

-

-

RH Actuator Status

Parking brake actuator assembly RH condition

Park Applied / Hold Applied / Released / Applying / Releasing / Completely Released / Unknown

-

-

LH Actuator Status

Parking brake actuator assembly LH condition

Park Applied / Hold Applied / Released / Applying / Releasing / Completely Released / Unknown

-

-

EPB Warning Light

Brake system warning light (yellow indicator) output signal

OFF / ON

OFF: Brake system warning light (yellow indicator) turns off

ON: Brake system warning light (yellow indicator) illuminates

-

Auto Mode Request

Auto mode request status

OFF / ON

-

-

Brake Hold Ready

Brake hold control permission status

Not in stand-by mode / Stand-by mode

Not in stand-by mode: Brake hold function not operating (brake hold indicator not illuminated)

Stand-by mode: Brake hold function stand-by state (brake hold indicator illuminated)

-

EPB Lock Request

Lock demand status

OFF / ON

OFF: Not requested

ON: Requested

HINT:

EPB stands for electric parking brake.

Auto Mode

AUTO (shift-linked) mode permission status

OFF / ON

OFF: Manual mode.

ON: AUTO (shift-linked) mode

-

Dynamic PKB Mode

Dynamic parking brake operation status

OFF / ON

OFF: Dynamic parking brake is not operating

ON: Dynamic parking brake is operating

-

RH Actuator Motor Relay1

Parking brake motor relay 1 RH condition

OFF / ON

-

-

RH Actuator Motor Relay2

Parking brake motor relay 2 RH condition

OFF / ON

-

-

RH Actuator Motor Relay3

Parking brake motor relay 3 RH condition

OFF / ON

-

-

RH Actuator Motor Relay4

Parking brake motor relay 4 RH condition

OFF / ON

-

-

LH Actuator Motor Relay1

Parking brake motor relay 1 LH condition

OFF / ON

-

-

LH Actuator Motor Relay2

Parking brake motor relay 2 LH condition

OFF / ON

-

-

LH Actuator Motor Relay3

Parking brake motor relay 3 LH condition

OFF / ON

-

-

LH Actuator Motor Relay4

Parking brake motor relay 4 LH condition

OFF / ON

-

-

RH Actuator Current Status

Parking brake actuator assembly RH monitoring current condition

Normal / Invalid

-

-

LH Actuator Current Status

Parking brake actuator assembly LH monitoring current condition

Normal / Invalid

-

-

Permission of RH Interlocking PKB Lock

Parking brake actuator assembly RH parking brake lock control permission status

Available / Not available

-

-

Permission of RH Interlocking PKB Release

Parking brake actuator assembly RH parking brake release control permission status

Available / Not available

-

-

Permission of RH Interlocking Dynamic PKB

Parking brake actuator assembly RH dynamic parking control permission status

Available / Not available

-

-

Permission of RH Interlocking PKB Full Release

Parking brake actuator assembly RH parking brake full release permission status

Available / Not available

-

-

Permission of LH Interlocking PKB Lock

Parking brake actuator assembly LH parking brake lock control permission status

Available / Not available

-

-

Permission of LH Interlocking PKB Release

Parking brake actuator assembly LH parking brake release control permission status

Available / Not available

-

-

Permission of LH Interlocking Dynamic PKB

Parking brake actuator assembly LH dynamic parking control permission status

Available / Not available

-

-

Permission of LH Interlocking PKB Full Release

Parking brake actuator assembly LH parking brake full release permission status

Available / Not available

-

-

RH Actuator Motor Current High

Parking brake motor RH (parking brake actuator assembly RH) overcurrent status

OFF / ON

-

-

RH Actuator Motor Driver Operation Status

Parking brake motor RH (parking brake actuator assembly RH) driver status

OFF / ON

-

-

LH Actuator Motor Current High

Parking brake motor LH (parking brake actuator assembly LH) overcurrent status

OFF / ON

-

-

LH Actuator Motor Driver Operation Status

Parking brake motor LH (parking brake actuator assembly LH) driver status

OFF / ON

-

-

(a) Using the Techstream, the state of the vehicle (sensors) when the system is operating or when a DTC was stored can be checked.