Vehicle Stability Control System (For Hydraulic Brake Booster) Data List / Active Test

  1. DATA LIST

  1. ACTIVE TEST

Vehicle Stability Control System (For Hydraulic Brake Booster) -- Data List / Active Test



DATA LIST
HINT:
Using the GTS to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.
NOTICE:
In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

  1. Warm up the engine.

  2. Turn the ignition switch off

  3. Connect the GTS to the DLC3.

  4. Turn the ignition switch to ON.

  5. Turn ON the GTS.

  6. Enter the following menus: Chassis / ABS/VSC/TRC / Data List.

  7. According to the display on the GTS, read the Data List.

    ABS/VSC/TRC
    Tester Display
    		Measurement Item/Range
    		Normal Condition
    		Diagnostic Note
    ABS Warning Light
    		ABS warning light/ ON or OFF
    		OFF
    		-
    Brake Warning Light
    		Brake warning light/ ON or OFF
    		OFF
    		-
    Downhill Assist Control Light
    		Downhill assist control indicator light/ ON or OFF
    		ON: Indicator light on
    OFF: Indicator light off
    		-
    Buzzer
    		Buzzer/ ON or OFF
    		ON: Buzzer on
    OFF: Buzzer off
    		The combination meter has a built-in buzzer.
    Stop Light SW
    		Stop light switch / ON or OFF
    		ON: Brake pedal depressed
    OFF: Brake pedal released
    		-
    Parking Brake SW
    		Parking brake switch / ON or OFF
    		ON: Parking brake applied
    OFF: Parking brake released
    		-
    Reservoir Warning SW
    		Brake fluid level warning switch/ ON or OFF
    		OFF
    		-
    Main Idle SW
    		Main idle switch/ ON or OFF
    		ON: Accelerator pedal released
    OFF: Accelerator pedal depressed
    		-
    Gear Position
    		Gear position/ Fail, 1st-8th, "P,N", R, Not R
    		Actual gear position
    		-
    Shift Lever Position
    		Shift lever position/ Fail, 1st-6th/B, D/M, "P,N", R
    		Actual shift lever position
    		-
    Shift Information
    		Shift information/ ON or OFF
    		ON: During gear change
    OFF: Not during gear change
    		-
    Inspection Mode
    		Inspection mode/ Other or Inspect
    		Other: Normal mode
    Inspect: Inspection mode
    		-
    Number of IG ON(Inspection)
    		Number of times ignition switch turned to ON after entering inspection mode/ Min.: 0, Max.: 255
    		-
    		-
    Downhill Assist Control SW
    		Downhill assist control switch/ ON or OFF
    		ON: Downhill assist control on
    OFF: Downhill assist control off
    		-
    Pre Crash Brake OFF Switch*1
    		Pre-crash brake cancel switch/ ON or OFF
    		ON: Pre-crash brake cancel switch on
    OFF: Pre-crash brake cancel switch off
    		-
    Master Cylinder Sensor
    		Master cylinder pressure sensor reading/ Min.: 0.00 V, Max.: 5.00 V
    		When brake pedal released: 0.3 to 0.9 V
    		The value increases when the brake pedal is depressed.
    Zero Point of M/C
    		Memorized zero value/ Min.: -12.50 MPa, Max.: 12.40 Mpa
    		-
    		-
    Accumulator Sensor
    		Accumulator pressure sensor reading/ Min.: 0.00 V, Max.: 5.00 V
    		3.58 to 5.00 V
    		If the value is constant regardless of the pump operation, an accumulator pressure sensor malfunction is suspected.
    Deceleration Sensor
    		Acceleration sensor reading/ Min.: -18.525 m/s2, Max.: 18.387 m/s2
    		-
    		Changes continuously during acceleration/deceleration.
    Zero Point of Decele
    		Memorized zero value/ Min.: -25.10 m/s2, Max.: 24.90 m/s2
    		-
    		-
    Deceleration Sensor2
    		Acceleration sensor 2 reading/ Min.: -18.525 m/s2, Max.: 18.387 m/s2
    		-
    		Changes continuously during acceleration/deceleration.
    Zero Point of Decele2
    		Memorized zero value/ Min.: -25.10 m/s2, Max.: 24.90 m/s2
    		-
    		-
    Yaw Rate Sensor
    		Yaw rate sensor 1/ Min.: -128°/s, Max.: 127°/s
    		Vehicle stationary: 0°/s
    Right turn: -128 to 0°/s
    Left turn: 0 to 127°/s
    		-
    Zero Point of Yaw Rate
    		Memorized zero value/ Min.: -128°, Max.: 127°
    		-
    		-
    Zero Point of Yaw Rate2
    		Memorized zero value/ Min.: -128°/s, Max.: 127°/s
    		-
    		-
    Steering Angle Sensor
    		Steering angle sensor/ Min.: -3276.8°, Max.: 3276.7°
    		Left turn: Increases
    Right turn: Decreases
    		-
    Zero Point of Steering Angle
    		Memorized zero value/ Min.: -3276.8°, Max.: 3276.7°
    		-
    		-
    Lateral G
    		Lateral G/ Min.: -25.10 m/s2, Max.: 24.90 m/s2
    		-
    		Changes in proportion with acceleration during turning.
    Forward and Rearward G
    		Forward and rearward G/ Min.: -25.10 m/s2, Max.: 24.90 m/s2
    		-
    		Changes in proportion with acceleration during acceleration/deceleration.
    Yaw Rate Value
    		Yaw rate value/ Min.: -128°/s, Max.: 127°/s
    		-
    		Changes in proportion with yaw during turning.
    Steering Angle Value
    		Steering angle value/ Min.: -3276.8°, Max.: 3276.7°
    		-
    		Changes in proportion with the amount of steering wheel rotation during steering operation.
    Stop Light Relay
    		Stop light control ECU / ON or OFF
    		ON: Stop light control ECU on
    OFF: Stop light control ECU off
    		-
    Crawl Control Light
    		Crawl indicator light/ ON or OFF
    		ON: Indicator light on
    OFF: Indicator light off
    		-
    Slip Indicator Light
    		Slip indicator light/ ON or OFF
    		ON: Indicator light on
    OFF: Indicator light off
    		-
    Rear Diff Lock Switch
    		Rear differential lock detection switch/ ON or OFF
    		ON: Rear differential lock detection switch on
    OFF: Rear differential lock detection switch off
    		-
    L4 Switch
    		Transfer L4 detection switch/ ON or OFF
    		ON: L4
    OFF: except L4
    		-
    FR Wheel Speed
    		Front wheel speed sensor RH reading/ Min.: 0 km/h (0 mph), Max.: 326 km/h (202 mph)
    		Actual wheel speed
    		No large fluctuations when driving at a constant speed.
    FL Wheel Speed
    		Front wheel speed sensor LH reading/ Min.: 0 km/h (0 mph), Max.: 326 km/h (202 mph)
    		Actual wheel speed
    		No large fluctuations when driving at a constant speed.
    RR Wheel Speed
    		Rear wheel speed sensor RH reading/ Min.: 0 km/h (0 mph), Max.: 326 km/h (202 mph)
    		Actual wheel speed
    		No large fluctuations when driving at a constant speed.
    RL Wheel Speed
    		Rear wheel speed sensor LH reading/ Min.: 0 km/h (0 mph), Max.: 326 km/h (202 mph)
    		Actual wheel speed
    		No large fluctuations when driving at a constant speed.
    Vehicle Speed
    		Maximum wheel speed sensor reading/ Min.: 0 km/h (0 mph), Max.: 326 km/h (202 mph)
    		Actual vehicle speed
    		No large fluctuations when driving at a constant speed.
    FR Wheel Acceleration
    		Front wheel acceleration RH/ Min.: -200.84 m/s2, Max.: 199.27 m/s2
    		-
    		Changes continuously during acceleration/deceleration.
    FL Wheel Acceleration
    		Front wheel acceleration LH/ Min.: -200.84 m/s2, Max.: 199.27 m/s2
    		-
    		Changes continuously during acceleration/deceleration.
    RR Wheel Acceleration
    		Rear wheel acceleration RH/ Min.: -200.84 m/s2, Max.: 199.27 m/s2
    		-
    		Changes continuously during acceleration/deceleration.
    RL Wheel Acceleration
    		Rear wheel acceleration LH/ Min.: -200.84 m/s2, Max.: 199.27 m/s2
    		-
    		Changes continuously during acceleration/deceleration.
    FR Wheel Direction
    		Front wheel direction RH/ Forward or Back
    		Forward: Forward
    Back: Back
    		-
    FL Wheel Direction
    		Front wheel direction LH/ Forward or Back
    		Forward: Forward
    Back: Back
    		-
    RR Wheel Direction
    		Rear wheel direction RH/ Forward or Back
    		Forward: Forward
    Back: Back
    		-
    RL Wheel Direction
    		Rear wheel direction LH/ Forward or Back
    		Forward: Forward
    Back: Back
    		-
    Stop Switch History*1
    		Stop light switch history/ OFF, ON, WITHOUT or UNKNOWN
    		-
    		-
    Stop Light Relay Output
    		Stop light control ECU output/ ON or OFF
    		ON: Stop light control ECU on (Stop light on)
    OFF: Stop light control ECU off (Stop light off)
    		-
    EBS Relay
    		Stop light control ECU (Emergency brake signal)/ ON or OFF
    		ON: Stop light control ECU on
    OFF: Stop light control ECU off
    		-
    Crawl Control Switch
    		Crawl speed selector switch status/ LOW, MIDLOW, MID, MIDHIGH or HIGH
    		Actual crawl speed selector switch position
    		-
    FR Wheel ABS Ctrl Status
    		Front wheel RH ABS control status/ ON or OFF
    		ON: During control
    OFF: Not during control
    		-
    FL Wheel ABS Ctrl Status
    		Front wheel LH ABS control status/ ON or OFF
    		ON: During control
    OFF: Not during control
    		-
    RR Wheel ABS Ctrl Status
    		Rear wheel RH ABS control status/ ON or OFF
    		ON: During control
    OFF: Not during control
    		-
    RL Wheel ABS Ctrl Status
    		Rear wheel LH ABS control status/ ON or OFF
    		ON: During control
    OFF: Not during control
    		-
    RR Wheel EBD Ctrl Status
    		Rear wheel RH EBD control status/ ON or OFF
    		ON: During control
    OFF: Not during control
    		-
    RL Wheel EBD Ctrl Status
    		Rear wheel LH EBD control status/ ON or OFF
    		ON: During control
    OFF: Not during control
    		-
    BA Ctrl Status
    		BA control status/ ON or OFF
    		ON: During control
    OFF: Not during control
    		-
    PBA Ctrl Status*1
    		Pre-crash brake assist control status/ ON or OFF
    		ON: During control
    OFF: Not during control
    		-
    TRC(TRAC) Ctrl Status
    		Traction control status/ ON or OFF
    		ON: During control
    OFF: Not during control
    		-
    TRC(TRAC) Engine Ctrl Status
    		Traction control (engine control) status/ ON or OFF
    		ON: During control
    OFF: Not during control
    		-
    TRC(TRAC) Brake Ctrl Status
    		Traction control (brake control) status/ ON or OFF
    		ON: During control
    OFF: Not during control
    		-
    FR Wheel VSC Ctrl Status
    		Front wheel RH VSC control status/ ON or OFF
    		ON: During control
    OFF: Not during control
    		-
    FL Wheel VSC Ctrl Status
    		Front wheel LH VSC control status/ ON or OFF
    		ON: During control
    OFF: Not during control
    		-
    RR Wheel VSC Ctrl Status
    		Rear wheel RH VSC control status/ ON or OFF
    		ON: During control
    OFF: Not during control
    		-
    RL Wheel VSC Ctrl Status
    		Rear wheel LH VSC control status/ ON or OFF
    		ON: During control
    OFF: Not during control
    		-
    Engine Revolutions
    		Engine speed/ Min.: 0 rpm, Max.: 65535 rpm
    		Actual engine speed
    		-
    Real Engine Torque
    		Actual engine torque/ Min.: -1024.0 Nm, Max.: 1023.0 Nm
    		-
    		-
    Accelerator Opening Angle %
    		Percentage of accelerator pedal opening angle/ Min.: 0.0%, Max.: 128.0%
    		When accelerator pedal released: 0%
    		Changes in proportion with the movement of the pedal during accelerator pedal operation.
    Solenoid Relay
    		Solenoid relay/ ON or OFF
    		ON: Solenoid relay on
    OFF: Solenoid relay off
    		-
    ECB*2 Motor Relay
    		Motor relay/ ON or OFF
    		ON: Motor relay on
    OFF: Motor relay off
    		-
    TR(A)C/VSC Solenoid (SRM2)
    		TRC/VSC solenoid (SRM2)/ ON or OFF
    		ON: Operating
    OFF: Not operating
    		-
    TR(A)C/VSC Solenoid (SRM1)
    		TRC/VSC solenoid (SRM1)/ ON or OFF
    		ON: Operating
    OFF: Not operating
    		-
    TR(A)C/VSC Solenoid (SRC2)
    		TRC/VSC solenoid (SRC2)/ ON or OFF
    		ON: Operating
    OFF: Not operating
    		-
    TR(A)C/VSC Solenoid (SRC1)
    		TRC/VSC solenoid (SRC1)/ ON or OFF
    		ON: Operating
    OFF: Not operating
    		-
    ABS Solenoid (SFRH)
    		ABS solenoid (SFRH)/ ON or OFF
    		ON: Operating
    OFF: Not operating
    		-
    ABS Solenoid (SFRR)
    		ABS solenoid (SFRR)/ ON or OFF
    		ON: Operating
    OFF: Not operating
    		-
    ABS Solenoid (SFLH)
    		ABS solenoid (SFLH)/ ON or OFF
    		ON: Operating
    OFF: Not operating
    		-
    ABS Solenoid (SFLR)
    		ABS solenoid (SFLR)/ ON or OFF
    		ON: Operating
    OFF: Not operating
    		-
    ABS Solenoid (SRRH)
    		ABS solenoid (SRRH)/ ON or OFF
    		ON: Operating
    OFF: Not operating
    		-
    ABS Solenoid (SRRR)
    		ABS solenoid (SRRR)/ ON or OFF
    		ON: Operating
    OFF: Not operating
    		-
    ABS Solenoid (SRLH)
    		ABS solenoid (SRLH)/ ON or OFF
    		ON: Operating
    OFF: Not operating
    		-
    ABS Solenoid (SRLR)
    		ABS solenoid (SRLR)/ ON or OFF
    		ON: Operating
    OFF: Not operating
    		-
    FR Speed Open
    		Front speed sensor RH open circuit detection/ Error or Normal
    		Normal
    		-
    FL Speed Open
    		Front speed sensor LH open circuit detection/ Error or Normal
    		Normal
    		-
    RR Speed Open
    		Rear speed sensor RH open circuit detection/ Error or Normal
    		Normal
    		-
    RL Speed Open
    		Rear speed sensor LH open circuit detection/ Error or Normal
    		Normal
    		-
    EFI Communication Open
    		ECM communication open circuit detection/ Error or Normal
    		Normal
    		-
    Yaw Rate Open
    		Yaw rate and acceleration sensor open circuit detection/ Error or Normal
    		Normal
    		-
    Deceleration Open
    		Deceleration sensor open circuit detection/ Error or Normal
    		Normal
    		-
    Steering Open
    		Steering angle sensor open circuit detection/ Error or Normal
    		Normal
    		-
    Master Cylinder Open
    		Master cylinder pressure sensor open circuit detection/ Error or Normal
    		Normal
    		-
    IG1 Voltage Value
    		IG1 voltage value/ Min.: 0.00 V, Max.: 20.00 V
    		Ignition switch ON: 11 to 14 V
    		-
    IG2 Voltage Value
    		IG2 voltage value/ Min.: 0.00 V, Max.: 20.00 V
    		Ignition switch ON: 11 to 14 V
    		-
    TRC/VSC Off Mode
    		TRC/VSC off mode/ Normal, TRC OFF, Unknown or VSC OFF
    		Normal: Normal
    TRC OFF: TRC OFF mode
    VSC OFF: VSC OFF mode
    		-
    Number of DTC
    		Number of DTCs/ Min.: 0, Max.: 255
    		0
    		-
    IG Voltage Value Decreased
    		IG1 voltage value decreased/ Error or Normal
    		Normal
    		-
    IG Voltage Value Increased
    		IG1 voltage value increased/ Error or Normal
    		Normal
    		-
    FR Speed Sensor Voltage Open
    		Front speed sensor RH voltage open circuit detection/ Error or Normal
    		Normal
    		-
    FL Speed Sensor Voltage Open
    		Front speed sensor LH voltage open circuit detection/ Error or Normal
    		Normal
    		-
    RR Speed Sensor Voltage Open
    		Rear speed sensor RH voltage open circuit detection/ Error or Normal
    		Normal
    		-
    RL Speed Sensor Voltage Open
    		Rear speed sensor LH voltage open circuit detection/ Error or Normal
    		Normal
    		-
    M/C Pressure Sensor Noise
    		Master cylinder pressure sensor noise detection/ Error or Normal
    		Normal
    		-
    Yaw Rate Sensor Voltage Open
    		Yaw rate and acceleration sensor voltage open circuit detection/ Error or Normal
    		Normal
    		-
    EFI Communication Invalid
    		ECM communication invalid detection/ Error or Normal
    		Normal
    		-
    Hazard Switch History
    		Hazard warning switch history/ Incomplete or Complete
    		-
    		-
    DSS Signal Buzzer*1
    		Skid control buzzer/ ON or OFF
    		ON: Buzzer on
    OFF: Buzzer off
    		-

    1. *1: w/ Dynamic Radar Cruise Control System
    2. *2: Electronically Controlled Brake

  8. Enter the following menus: Body Electrical / D-SEAT SW / Data List.

  9. According to the display on the GTS, read the Data List.

    D-SEAT SW
    Tester Display
    		Measurement Item/Range
    		Normal Condition
    		Diagnostic Note
    IG
    		Power source input status/ ON or OFF
    		ON: Power source input
    OFF: Power source not input
    		-
    Off-road Guidance Switch
    		Multi-terrain select switch/ ON or OFF
    		ON: Switch on
    OFF: Switch off
    		-
    Crawl Control Main Switch
    		Crawl on/off switch/ ON or OFF
    		ON: Switch on
    OFF: Switch off
    		-
    Vehicle Speed
    		Vehicle speed/ Min.: 0 km/h (0 mph), Max.: 255 km/h (158 mph)
    		Actual vehicle speed
    		Driving at constant speed: No large fluctuations
    Dial Switch Signal 1
    		Crawl speed selector/Multi-terrain select road mode selector signal 1/ ON or OFF
    		Switches between ON and OFF according to the ON/OFF Combination Chart (LandCruiser RM00000452G01FX_04_0009.html)
    		-
    Dial Switch Signal 2
    		Crawl speed selector/Multi-terrain select road mode selector signal 2/ ON or OFF
    		-
    Dial Switch Signal 3
    		Crawl speed selector/Multi-terrain select road mode selector signal 3/ ON or OFF
    		-
    +B terminal voltage
    		+B terminal voltage/ Min.: 0.0 V, Max.: 25.5 V
    		11 to 14 V
    		-
    Number of Trouble Codes
    		Number of DTCs/ Min.: 0, Max.: 255
    		0
    		-


ACTIVE TEST
HINT:
Using the GTS to perform Active Tests allows relays, VSVs, actuators and other items to be operated without removing any parts. This non-intrusive functional inspection can be very useful because intermittent operation may be discovered before parts or wiring is disturbed. Performing Active Tests early in troubleshooting is one way to save diagnostic time. Data List information can be displayed while performing Active Tests.

  1. Warm up the engine.

  2. Turn the ignition switch off.

  3. Connect the GTS to the DLC3.

  4. Turn the ignition switch to ON.

  5. Turn ON the GTS.

  6. Enter the following menus: Chassis / ABS/VSC/TRC / Active Test.

  7. According to the display on the GTS, perform the Active Test.


ABS/VSC/TRC
Tester Display
Test Part
Control Range
Diagnostic Note
ABS Warning Light
ABS warning light
Warning light ON/OFF
Observe the combination meter.
Brake Warning Light
Brake warning light
Warning light ON/OFF
Observe the combination meter.
Downhill Assist Control Light
Downhill assist control indicator light
Indicator light ON/OFF
Observe the combination meter.
Buzzer
Buzzer
Buzzer ON/OFF
The buzzer can be heard.
Solenoid Relay
Solenoid relay
Relay ON/OFF
An operating sound of the solenoid (clicking sound) can be heard.
Motor Relay
Motor relay
Relay ON/OFF
An operating sound of the solenoid of the motor can be heard.
Stop Light Relay
Stop light control ECU
ECU ON/OFF
Observe the stop light (does not come on for 2 to 5 seconds).
ABS Solenoid (SRLR)
ABS solenoid (SRLR)
Solenoid ON/OFF
An operating sound of the solenoid (clicking sound) can be heard.
ABS Solenoid (SRLH)
ABS solenoid (SRLH)
Solenoid ON/OFF
An operating sound of the solenoid (clicking sound) can be heard.
ABS Solenoid (SRRR)
ABS solenoid (SRRR)
Solenoid ON/OFF
An operating sound of the solenoid (clicking sound) can be heard.
ABS Solenoid (SRRH)
ABS solenoid (SRRH)
Solenoid ON/OFF
An operating sound of the solenoid (clicking sound) can be heard.
ABS Solenoid (SFLR)
ABS solenoid (SFLR)
Solenoid ON/OFF
An operating sound of the solenoid (clicking sound) can be heard.
ABS Solenoid (SFLH)
ABS solenoid (SFLH)
Solenoid ON/OFF
An operating sound of the solenoid (clicking sound) can be heard.
ABS Solenoid (SFRR)
ABS solenoid (SFRR)
Solenoid ON/OFF
An operating sound of the solenoid (clicking sound) can be heard.
ABS Solenoid (SFRH)
ABS solenoid (SFRH)
Solenoid ON/OFF
An operating sound of the solenoid (clicking sound) can be heard.
VSC/TRC Solenoid (SRMR)
VSC/TRC solenoid (SRM2)
Solenoid ON/OFF
An operating sound of the solenoid (clicking sound) can be heard.
VSC/TRC Solenoid (SRMF)
VSC/TRC solenoid (SRM1)
Solenoid ON/OFF
An operating sound of the solenoid (clicking sound) can be heard.
VSC/TRC Solenoid (SRCR)
VSC/TRC solenoid (SRC2)
Solenoid ON/OFF
An operating sound of the solenoid (clicking sound) can be heard.
VSC/TRC Solenoid (SRCF)
VSC/TRC solenoid (SRC1)
Solenoid ON/OFF
An operating sound of the solenoid (clicking sound) can be heard.
Crawl Control Light
Crawl indicator light
Indicator light ON/OFF
Observe the combination meter.
TRC(TRAC) OFF Indicator Light
TRC OFF indicator light
Indicator light ON/OFF
Observe the combination meter.
VSC OFF Indicator Light
VSC OFF indicator light
Indicator light ON/OFF
Observe the combination meter.
Slip Indicator Light
Slip indicator light
Indicator light ON/OFF
Observe the combination meter.
EBS Relay
Stop light control ECU (Emergency brake signal)
Stop light control ECU assembly ON/OFF
Make sure the hazard warning switch is off and the stop light switch is on when performing this Active Test.
ABS Solenoid
Selection of multiple ABS solenoids (SFRH, SFLH, SRRH, SRLH, SFRR, SFLR, SRRR and SRLR) possible
Start/Stop
Start: When Start is selected, the selected solenoids turn ON.
Stop: When Stop is selected, the selected solenoids turn OFF.
VSC/TRC(TRAC) Solenoid
Selection of multiple VSC/TRC solenoids [SRMR (SRM2), SRMF (SRM1), SRCR (SRC2) and SRCF (SRC1)] possible
Start/Stop
Start: When Start is selected, the selected solenoids turn ON.
Stop: When Stop is selected, the selected solenoids turn OFF.
DSS Signal Buzzer*
Skid control buzzer assembly
Buzzer ON/OFF
The buzzer can be heard.
  1. *: w/ Dynamic Radar Cruise Control System