STEP 1. Scan tool (M.U.T.-III) CAN bus diagnostics
(1) caution | To prevent damage to scan tool (M.U.T.-III), always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool (M.U.T.-III). |
Connect scan tool (M.U.T.-III). Refer to "How to connect the Scan Tool (M.U.T.-III)
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(2) Turn the ignition switch to the "ON" position.
(3) Diagnose the CAN bus line.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Is the check result normal?
Go to Step 3. Repair the CAN bus lines (Refer to GROUP 54C - CAN Bus Diagnostics Table ). On completion, go to Step 2.
STEP 2. DTC recheck after resetting CAN bus lines
STEP 3. Scan tool (M.U.T.-III) other system DTC
STEP 4. Check part number of ASC-ECU
STEP 5. ETACS-ECU coding data check
STEP 6. Check part number of ETACS-ECU
STEP 7. Engine control module coding data check
STEP 8. Check whether the DTC is set again.
STEP 9. Check whether the DTC is set again.