Electronic Brake Control Module: Testing and Inspection

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.






WORK SUPPORT


CAUTION:
Erase DTC memory of the lane camera unit after implementing work support. CONSULT Function (Lane Camera).






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.
Display Item List
A L L Diagnostic Trouble Codes ( DTC ).
How to Erase Self-diagnosis Results
After erasing DTC memory for "ABS" with CONSULT, start the engine and drive the 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, VDC 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, ABS warning lamp, VDC
warning lamp and brake warning lamp will not turn OFF even when the system is normal unless the vehicle is driven 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 in case of brake fluid level switch operation (when brake fluid is insufficient).
- VDC OFF switch should not stay in "ON" position.

DATA MONITOR

Display Item List
�: Applicable : Optional item
















ACTIVE TEST


CAUTION:
- Do not perform active test while driving vehicle.
- Make sure to completely bleed air from brake system.
- The active test cannot be started when ABS warning lamp, VDC warning lamp and brake warning lamp are ON.
- ABS warning lamp, VDC warning lamp and brake warning lamp are ON during active test.
- Erase memory of ICC system after implementing active test. Scan Tool Testing and Procedures.
- Erase memory of the lane camera unit after implementing active test. CONSULT Function (Lane Camera).
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 the table below.






- Select "Up", "ACT UP" and "ACT KEEP" of "ACTIVE TEST" in "ABS" with CONSULT. Then use screen monitor to check that solenoid valve operates as shown in the table below.





- 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.

SPECIFIC DATA MONITOR

Specific data monitor displays specific LDP operating conditions.