Diagnosis Procedure
Regarding Wiring Diagram information, refer to BCS "Wiring Diagram".
1.CHECK FUSES AND FUSIBLE LINK
Check that the following fuses and fusible link are not blown. 
Is the fuse blown?
YES >> Replace the blown fuse or fusible link after repairing the affected circuit.
NO >> GO TO 2.
2.CHECK POWER SUPPLY CIRCUIT

Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair harness or connector.
3.CHECK GROUND CIRCUIT
Check continuity between BCM connector and ground.
Is the inspection result normal?
YES >> Inspection End.
NO >> Repair harness or connector
U1000 CAN COMMDTC Logic DTC DETECTION LOGIC NOTE: U1000 can be set if a module harness was disconnected and reconnected, perhaps during a repair. Confirm that there are actual CAN diagnostic symptoms and a ...

Description Detects door open/close condition. ...
Engine control system
ENGINE CONTROL SYSTEM : System Diagram
NOTE:
Battery current sensor is used in CVT models.
ENGINE CONTROL SYSTEM : System Description
ECM performs various controls such as fuel injection control and ignition
timing control.
ENGINE CONTROL SYSTEM : Fail Safe
NON DTC RELATED ITEM
...
Additional service when replacing
TCM
Description
Always perform the following items when the TCM is replaced.
LOADING OF THE CALIBRATION DATA
The TCM acquires calibration data (individual characteristic value) of
each solenoid that is stored in the
ROM assembly (in the control valve). This enables the TCM to perform
accur ...