DTC Set Conditions: Diagnosis

STEP 1. Using scan tool (M.U.T.-IIISE), diagnose the CAN bus line.
CAUTION: To prevent damage to scan tool (M.U.T.-IIISE), always turn off the power supply mode of the electric motor switch before connecting or disconnecting scan tool (M.U.T.-IIISE).
1. Connect scan tool (M.U.T.-IIISE). Refer to "HOW TO CONNECT THE SCAN TOOL (M.U.T.-IIISE) ."
2. Press the electric motor switch to turn on the power supply mode.
3. Diagnose the CAN bus line.
4. Press the electric motor switch to turn off the power supply mode.
Q: Is the CAN bus line found to be normal?

YES: Go to Step 2.

NO: Repair the CAN bus line (Refer to CAN BUS DIAGNOSTICS TABLE ).
STEP 2. Using scan tool (M.U.T.-IIISE), read the other system DTC.
Check if DTC is set in the electric liftgate control unit.

Q: Is the DTC set?

YES: Troubleshoot the electric liftgate control unit. Refer to DIAGNOSTIC TROUBLE CODE CHART .

NO: Go to Step 3.
STEP 3. Using scan tool (M.U.T.-IIISE), read the other system DTC.
Check if a DTC, which relates to CAN communication-linked systems below, is set.

ETACS-ECU
- DTC No.U0230: Power Gate CAN timeout
Q: Is the DTC set?

YES: Go to Step 4.

NO: Go to Step 5.
STEP 4. Check whether the DTC is set again.
Recheck if the DTC is set.
1. Erase the DTC.
2. Press the electric motor switch to turn the power supply mode from "OFF" to "ON."
3. On completion, check that the DTC is not set again.
Q: Is the DTC set?

YES: Replace electric liftgate control unit.

NO: A poor connection, open circuit or other intermittent malfunction is present in the CAN bus lines between the electric liftgate control unit and the combination meter (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTIONS ).
STEP 5. Check whether the DTC is set again.
Recheck if the DTC is set.
1. Erase the DTC.
2. Press the electric motor switch to turn the power supply mode from "OFF" to "ON."
3. On completion, check that the DTC is not set again.
Q: Is the DTC set?

YES: Replace combination meter.

NO: A poor connection, open circuit or other intermittent malfunction is present in the CAN bus lines between the electric liftgate control unit and the combination meter (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTIONS ).