When the full latch switch signal of tailgate latch is not detected, the electric tailgate
control unit sets diagnosis code No. B2483.
JUDGMENT CRITERIA
During the electric tailgate close operation, if the signal of tailgate latch full latch
switch is not detected consecutively for five times, the electric tailgate control unit sets
diagnosis code No. B2483.
PROBABLE CAUSES
Damaged wiring harness and connectors
Malfunction of the electric tailgate control unit
Malfunction of tailgate latch
DIAGNOSIS PROCEDURE
STEP 1. Full-latch switch check.
Check the tailgate latch (refer to ).
Q.
Is the check result normal?
Go to Step 2.
Replace the tailgate latch.
STEP 2. Resistance measurement at tailgate latch connector (full-latch
switch earth line terminal).
(1)Disconnect the connector, and measure at the wiring harness side.
(2)Measure the resistance between the tailgate latch connector (full-latch switch
earth line terminal) and body earth. OK: Continuity exists (2 Ω or less)
Q.
Is the check result normal?
Go to Step 4.
Go to Step 3.
STEP 3. Check of open circuit in earth line between tailgate latch
connector (full-latch switch terminal) and body earth.
Q.
Is the check result normal?
Go to Step 5.
Repair the connector(s) or wiring harness.
STEP 4. Check of open circuit in FULL line between electric tailgate
control unit connector and tailgate latch connector.
Q.
Is the check result normal?
Go to Step 5.
Repair the connector(s) or wiring harness.
STEP 5. Diagnosis code recheck
(1)Clear all the diagnosis codes stored in the electric tailgate control unit.
(2)Operate the electric tailgate.
(3)Check whether a diagnosis code is set in the electric tailgate control unit.