Check that the tailgate lock release handle (open switch) is normal (Refer to GROUP 42A -
Tailgate Handle
and Latch <Vehicles without electric tailgate> or <Vehicles
with electric tailgate>).
Q.
Is the check result normal?
Go to Step 3.
Replace the tailgate lock release handle.
STEP 3. Check of short to power supply, short to earth, and open circuit
in GTOP line between the KOS-ECU connector and the tailgate lock release handle connector.
note
Before the wiring harness check, check the intermediate connector, and repair if necessary.
Q.
Is the check result normal?
Go to Step 4.
Repair the wiring harness.
STEP 4. KOS communication test
Using M.U.T-III, perform the antenna communication test to check that the outside transmission
antenna assembly (tailgate) communicates normally (Refer to ).
Q.
Is the check result normal?
Go to Step 5.
Perform troubleshooting for the diagnosis code No. B240C (Refer to ).
STEP 5. Check of the troubles
Operate the tailgate lock release handle (open switch) to check that the tailgate can
be opened.
Q.
Is the check result normal?
Intermittent malfunction is suspected (Refer to GROUP 00 -
How to Use Troubleshooting/Inspection
Service Points -
How to Deal with Intermittent Malfunction ).
Replace KOS-ECU and register the ID codes (Refer to ).