Inspection
1.CHECK IGNITION TIMING
: Timing indicator
Specification : EC-486, "Ignition Timing"
>> INSPECTION END
Service data and specifications (SDS)
Service Data and Specification (SDS)
COMPRESSOR
OIL
REFRIGERANT
...
U1117 Lost communication (ABS)
DTC Logic
DTC DETECTION LOGIC
DTC
CONSULT screen terms
[Trouble diagnosis content]
DTC detection condition
Possible causes
U1117
LOST COMM (ABS)
[Lost Communication With
ABS]
When the ignition switch is ON, TCM is unable
to receive the CAN communications ...
Ecm 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 > ...