If the diagnosis
code No. U1195 is set, diagnose the CAN bus lines.
Before replacing the electric tailgate control unit, ensure that the power supply
circuit, the earth circuit and the communication circuit are normal.
DIAGNOSTIC FUNCTION
If the vehicle information data is not registered to the electric tailgate control unit,
the electric tailgate control unit sets the diagnosis code No. U1195.
JUDGMENT CRITERIA
With the global coding counter value "0," if all the global coding data (vehicle information)
are not stored, the electric tailgate control unit determines that a problem has occurred.
PROBABLE CAUSES
Malfunction of CAN bus line
Malfunction of electric tailgate control unit
Malfunction of the ETACS-ECU
DIAGNOSIS PROCEDURE
STEP 1. M.U.T.-III CAN bus diagnostics
Use the M.U.T.-III to diagnose the CAN bus lines.
Q.
Is the check result normal?
Go to Step 2.
Repair the CAN bus line (Refer to GROUP 54C -
Troubleshooting ).
STEP 2. M.U.T.-III other system diagnosis code
Check if diagnosis code is set to the ETACS-ECU.
Q.
Is the diagnosis code set?
Troubleshoot the ETACS-ECU. (Refer to GROUP 54A -
Troubleshooting ).
Go to Step 3.
STEP 3. Check whether the diagnosis code is reset.
Check again if the diagnosis code is set to the electric tailgate control unit.
(1)Erase the diagnosis code.
(2)Turn the ignition switch from "LOCK" (OFF) position to "ON" position.
(3)Check if diagnosis code is set.
Q.
Is the diagnosis code set?
Replace the electric tailgate control unit.
The trouble can be an intermittent malfunction (Refer to GROUP 00 -
How
to use Troubleshooting/inspection Service Points -
How to Cope with Intermittent Malfunction ).