ABS

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

CONSULT Function


FUNCTION

CONSULT can display each diagnostic item using the diagnostic test modes shown following.






SELF DIAGNOSTIC RESULT

Operation Procedure
Before performing the self-diagnosis for "ABS" with CONSULT, start engine and drive vehicle at 30 km/h (19
MPH) or more for approximately 1 minute.
How to Erase Self-diagnosis Results
After erasing DTC memory for "ABS" with CONSULT, start engine and drive vehicle at 30 km/h (19 MPH) or more for approximately 1 minute as the final inspection, and make sure that the ABS warning lamp and brake warning lamp turn OFF.

CAUTION:
If memory cannot be erased, perform applicable diagnosis.
NOTE:
- When the wheel sensor malfunctions, after inspecting the wheel sensor system, the ABS warning lamp and brake warning lamp will not turn OFF even when the system is normal unless the vehicle is driving at approximately 30 km/h (19 MPH) or more for approximately 1 minute.
- Brake warning lamp will turn ON in case of parking brake operation (when switch is ON) or of brake fluid level switch operation (when brake fluid is insufficient).
Display Item List
Refer to "DTC Index" Testing and Inspection.

DATA MONITOR

Display Item List
NOTE:
The following table includes information (items) inapplicable to this vehicle. For information (items) applicable to this vehicle, refer to CONSULT display items.
x: Applicable : Optional item











ACTIVE TEST


CAUTION:
- Never perform active test while driving vehicle.
- Make sure to completely bleed air from brake system.
- The active test cannot be performed with the ABS warning lamp and brake warning lamp are on.
- ABS warning lamp and brake warning lamp are on during active test.
NOTE:
- When active test is performed while depressing the pedal, the pedal depression amount will change. This is normal. (Only solenoid valve and ABS motor.)
- "TEST IS STOPPED" in "ABS" with CONSULT is displayed 10 seconds after operation start.
- After "TEST IS STOPPED" in "ABS" with CONSULT is displayed, to perform test again.
Test Item
- Select "Up", "Keep" and "Down" of "ACTIVE TEST" in "ABS" with CONSULT. Then use screen monitor to check that solenoid valve operates as shown in solenoid valve operation chart.





- Select "On" and "Off" of "ACTIVE TEST" in "ABS" with CONSULT on screen. Make sure motor relay and actuator relay operates as shown in table below.






ECU IDENTIFICATION

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