Pressure Sensor System Inspection

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS

Pressure Sensor System Inspection


1. SELF-DIAGNOSIS RESULT CHECK

Check the self-diagnosis results.





Is the above displayed in the self-diagnosis display items?
YES- GO TO 2.
NO- Inspection End.

2. CONNECTOR INSPECTION

1.Turn ignition switch OFF.
2.Disconnect ABS actuator and electric unit (control unit) connector and stop lamp switch connector.
3.Check terminals for deformation, disconnection, looseness and damage. If any malfunction is found, repair or replace terminals.
4.Reconnect connectors securely.
5.Start engine.
6.Pump brake pedal carefully several times, and perform self-diagnosis.
Is the inspection result normal?
YES- GO TO 3
NO- Poor connection of connector terminal. Repair or replace connector.

3. CHECK STOP LAMP SWITCH






1.Turn ignition switch OFF.
2.Disconnect stop lamp switch connector.
3.Check continuity between stop lamp switch (A) (without M/T) or (B) (with M/T) terminals 1 and 2.





Is the inspection result normal?
YES- GO TO 4
NO- Replace stop lamp switch.

4. CHECK STOP LAMP SWITCH CIRCUIT






1.Disconnect ABS actuator and electric unit (control unit) connector.
2.Connect stop lamp switch connector.
3.Check voltage between ABS actuator and electric unit (control unit) connector E33 terminal 20 and ground.





Is the inspection result normal?
YES- GO TO 5
NO- Repair or replace malfunctioning components.

5. CHECK DATA MONITOR

On "DATA MONITOR", select "PRESS SENSOR" and check the brake fluid pressure.





Is the inspection result normal?
YES- Replace ABS actuator and electric unit (control unit). Service and Repair.
NO- Inspection End.