Diagnosis Procedure
1.CHECK CONNECTOR
2.CHECK HARNESS FOR OPEN CIRCUIT
Check the resistance between the data link connector terminals.

BCM branch line circuit
M&A branch line circuitHow to enable/disable the RCTA system
Perform the following steps to enable or disable
the RCTA system.
1. Press the button until
"Settings" displays
in the vehicle information display and
then press OK. Use the button to
select "Driver Assistance". Then press the
OK button.
2. Select "Blind Spot" and press the OK ...
U1000 CAN comm circuit
Description
Refer to LAN-24, "CAN Communication Signal Chart".
DTC Logic
DTC DETECTION LOGIC
DTC
Trouble diagnosis name
DTC detecting condition
Possible cause
U1000
CAN COMM CIRCUIT
Driver seat control unit cannot communicate to other control
units.
...
P0456 evap control system
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P0456 is displayed with DTC P0442, first perform the trouble diagnosis
for DTC P0456.
This diagnosis detects very small leakage in the EVAP line between fuel tank
and EVAP canister purge volume
control solenoid valve, using the intake manifold va ...