Inspection Procedure

Check self-diagnosis results.

Is the above displayed in the self-diagnosis display item? 

YES: GO TO 2.

NO: INSPECTION END

1. Disconnect ABS actuator and electric unit (control unit) connector E51 and stop lamp switch connector E112, check the terminal for deformation, disconnection, looseness, and so on. If there is an error, repair or replace the terminal.
2. Securely reconnect the connector and conduct self-diagnosis.
3. Start engine.
4. Repeat Pumping brake pedal carefully several times, then perform self-diagnosis again.

Is the result of self-diagnosis normal? 

YES: The connector terminal contact is loose, damaged, open or shorted.

NO: GO TO 3.

1. Turn ignition switch OFF and disconnect stop lamp switch connector E111.
2. Disconnect stop lamp switch connector
3. Check continuity between stop lamp switch connector terminal 3 and 4.
   STOP LAMP SWITCH CONTINUITY CHART
   
   

   Stop lamp switch	Condition	Continuity
   3 - 4	Release stop lamp switch (When brake pedal is depressed.)	Yes
   	Push stop lamp switch (When brake pedal is released.)	No

   Fig 1: Checking Continuity Between Stop Lamp Switch Connector Terminal 3 And 4

   

OK or NG 

OK: GO TO 4.

NG: Replace stop lamp switch. Refer to "COMPONENTS ".

1. Turn ignition switch OFF and disconnect ABS actuator and electric unit (control unit) connector E51.
2. Check voltage between ABS actuator and electric unit (control unit) connector terminal and ground.
   Fig 2: Checking Voltage Between ABS Actuator Connector Terminal 17 And Ground

   
   ABS ACTUATOR AND ELECTRIC UNIT SPECIFICATION
   
   

   ABS actuator and electric unit (control unit)	Ground	Measurement condition	Voltage
   17	-	Brake pedal depressed.	Battery voltage (Approx. 12 V)
   		Brake pedal not depressed.	Approx. 0 V

OK or NG 

OK: INSPECTION END

NG: Open or short in harness between ABS actuator and electric unit and stop lamp switch. Repair or replace the harness.