U1117 lost communication (ABS)
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
U1117
LOST COMM (ABS)
(Lost Communication With ABS)
When the ignition switch is ON, TCM is unable to receive the CAN
communications
signal from ...
ABS actuator and electric unit (control unit)
Exploded View
ABS actuator and electric unit (control unit)
Connector
Bracket
To front LH brake caliper
To rear RH brake caliper
From master cylinder secondary side
From master cylinder primary side
To rear LH brake caliper
To front RH brake ...
Parking brake switch signal circuit
Component Function Check
1.CHECK PARKING BRAKE SWITCH OPERATION
Check that brake warning lamp in combination meter turns ON/OFF when parking
brake is actuated.
Is the inspection result normal?
YES >> Inspection End.
NO >> Proceed to diagnosis procedure. Refer to WCS-45, " ...