Diagnosis Procedure
CAUTION:
The stopping distance on slippery road surfaces might be longer with the ABS operating than when the ABS is not operating.
1.CHECK ABS FUNCTION
Turn ignition switch OFF.
Disconnect ABS actuator and electric unit (control unit) connector to deactivate ABS.
Check stopping distance.
After inspection, reconnect connector.
Is the inspection result normal? YES >> Inspection End.
NO >> Check brake system.
Unexpected pedal reaction
ABS function does not operateEcm branch line circuit
Diagnosis Procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the ECM for damage, bend and loose
connection (unit side and
connector side).
Is the inspection result normal?
YES > ...
P0520 EOP System
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0520
EOP SENSOR/SWITCH
(Engine oil pressure sensor/
switch circuit)
ECM detects the following status continuously
for 5 seconds ...
Additional service when replacing ecm
Description
When replacing ECM, the following procedure must be performed. (For details,
refer to EC-135, "Work Procedure".)
PROGRAMMING OPERATION
NOTE:
After replacing with a blank ECM, programming is required to write ECM
information. Be sure to follow the procedure
to perform t ...