Turn ignition switch OFF and disconnect stop lamp switch connector E38 and ABS actuator and electric unit (control unit) connector E26, check terminal for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or replace terminal.
Reconnect connectors securely.
Start engine.
Repeat pumping brake pedal carefully several times, and perform self-diagnosis. Is the Inspection result normal?
YES >> Inspection end.
NO >> GO TO 2 2.CHECK STOP LAMP SWITCH CIRCUIT
Turn ignition switch OFF and disconnect ABS actuator and electric unit (control unit) connector E26.
Check voltage between ABS actuator and electric unit (control unit) harness connector E26 terminal 20 and ground.
Is the Inspection result normal?
YES >> Perform self-diagnosis.
NO >>
Repair or replace stop lamp switch circuit.
Perform the self-diagnosis, and make sure that the result shows "NO DTC IS DETECTED".
Component Inspection 1.CHECK STOP LAMP SWITCH
Turn ignition switch OFF.
Disconnect stop lamp switch connector.
Check continuity between stop lamp switch connector terminals.
Is the Inspection result normal?
YES >> Inspection END.
NO >> Replace stop lamp switch.