Scan Tool Testing and Procedures

DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)]


CONSULT-III Function


APPLICATION ITEMS
CONSULT-III can display each diagnostic item using the diagnostic test modes as follows.






ECU IDENTIFICATION
ABS actuator and electric unit (control unit) part number can be read.

SELF DIAGNOSTIC RESULT
Testing and Inspection.

When "CRNT" is displayed on self-diagnosis result,
- The system is presently malfunctioning.

When "PAST" is displayed on self-diagnosis result,
- System malfunction in the past is detected, but the system is presently normal.

Freeze frame data (FFD)






DATA MONITOR















Note 1: System Description for ON/OFF conditions of each warning lamp and indicator lamp.
Note 2: Models with 4WD System
Note 3: Models with Advanced Driver Assistance System
Note 4: USS means "hill start assist"

ACTIVE TEST
The active test is used to determine and identify details of a malfunction, based on self-diagnosis test result sand data obtained in the DATA MONITOR. In response to instructions from CONSULT-III, instead of those from ABS actuator and electric unit (control unit) on the vehicle, a drive signal is sent to the actuator to check its operation.

CAUTION:
- Never perform ACTIVE TEST while driving the vehicle.
- Always bleed air from brake system before active test.
- Never perform active test when system is malfunctioning.

NOTE:
- When active test is performed while depressing the pedal, the pedal depressing stroke may change. This is not a malfunction.
- "TEST IS STOPPED" is displayed approx. 10 seconds after operation start.
- When performing active test again after "TEST IS STOPPED" is displayed, select "BACK".
- ABS warning lamp, brake warning lamp and VDC warning lamp may turn ON during active test. This is not a malfunction.

ABS IN Valve and ABS OUT Valve
When "Up", "Keep" or "Down" is selected on display screen, the following items are displayed when system is normal.





*: Immediately after being selected, status is "On". Status changes to "Off" after approx. 2 seconds.

ABS IN Valve (ACT) and ABS OUT Valve (ACT)
When "Up", "ACT KEEP" or "ACT UP" is selected on display screen, the following items are displayed when system is normal.





*: Immediately after being selected, status is "On". Status changes to "Off" after approx. 2 seconds.

Stop Lamp ON Relay
When "On" or "Off" is selected on display screen, the following items are displayed when system is normal.






NOTE:
Display occasionally changes On/Off for a moment after ignition switch is turned ON. This is operation for checking purposes and is not a malfunction.

WORK SUPPORT