DTC Description
DTC DETECTION LOGIC
DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition |
U1044 | ENG COMM CIRCUIT (Engine communication circuit | A signal voltage of LIN communication between ECM and generator is excessively low or excessively high |
POSSIBLE CAUSE
FAIL-SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted. always perform the following procedure before conducting the next test.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
Is DTC detected? YES >> Proceed to EC-173, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK LIN COMMUNICATION CIRCUIT
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace error-detected parts.
2.REPLACE GENERATOR
Is DTC detected again? YES >> Replace ECM. Refer to EC-499, "Removal and Installation".
NO >> INSPECTION END
Monitor, climate, audio, phone and voice recognition systems
WARNING
Positioning of the heating or air conditioning
controls and display controls
should not be done while driving in order
that full attention may be given to
the driving operation.
Do not disassemble or modify this system.
If you do, it may result ...
P2127, P2128 APP sensor
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P2127
APP SEN 2/CIRC
(Throttle/pedal position sensor/switch ″E″
circuit low)
An excessively low voltage from the APP sensor 2 is sen ...
Preparation
Commercial Service Tool
Tool name
Description
Ball joint remover
Removing wheel stud
Power tools
Loosening nuts, screws, and bolts
...