DTC DETECTION LOGIC 
DTC CONFIRMATION PROCEDURE
1.CHECK SELF DIAGNOSTIC RESULT
With CONSULT.
Is DTC C1121, C1123, C1125 or C1127 detected?
YES >> Proceed to diagnosis procedure. Refer to BRC "Diagnosis Procedure".
NO >> Inspection End.
Regarding Wiring Diagram information, refer to BRC "Wiring Diagram".
1.CONNECTOR INSPECTION
Is the inspection result normal?
YES >> GO TO 2
NO >> Repair or replace as necessary.
2.CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) BATTERY POWER SUPPLY
Check voltage between ABS actuator and electric unit (control unit) connector
E33 terminal 25 and ground. 
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace malfunctioning components.
3.CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) GROUND CIRCUIT
Check continuity between ABS actuator and electric unit (control unit)
connector E33 terminals 13, 38 and
ground. 
Is the inspection result normal?
YES >> Replace ABS actuator and electric unit (control unit). Refer to BRC "Removal and Installation".
NO >> Repair or replace malfunctioning components.
Before starting the engine
Make sure the area around the vehicle is
clear.
Check fluid levels such as engine oil, coolant,
brake and clutch fluid (if so equipped),
and windshield-washer fluid as frequently as
possible, or at least whenever you refuel.
Check that all windows and lights are clean.
Visually insp ...
Engine protection control at low engine oil pressure
Engine protection control at low engine oil pressure : system diagram
Engine protection control at low engine
oil pressure : system description
INPUT/OUTPUT SIGNAL CHART
Sensor
Input signal to ECM
ECM function
Actuator
Engine oil pressure sensor
Engine pressure
...