STEP 1. Using scan tool (M.U.T.-IIISE), read the diagnostic trouble code.
Check if any DTC is set in the KOS-ECU.(1) caution | To prevent damage to scan tool (M.U.T.-IIISE), always turn the power supply mode of the electric motor switch to the OFF before connecting or disconnecting scan tool (M.U.T.-IIISE). |
Connect scan tool (M.U.T.-IIISE). Refer to "How to connect scan tool (M.U.T.-IIISE)
."
(2) Turn the power supply mode of the electric motor switch to ON.
(3) Check if DTC is set.
(4) Turn the power supply mode of the electric motor switch to OFF.
Is the DTC set?
Refer to diagnostic trouble code chart . Go to Step 2.
STEP 2. Liftgate lock release handle (lock switch and open switch) check
STEP 3. Check of open circuit in ground line between the liftgate lock release handle connector and the body ground.
STEP 4. KOS communication test
STEP 5. Check of the troubles