STEP 2. Using scan tool (M.U.T.-IIISE), read the DTC again.
Check again if DTC B1E2A is set in the ETACS-ECU.(1) caution | To prevent damage to scan tool (M.U.T.-IIISE), always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool (M.U.T.-IIISE). |
Connect scan tool (M.U.T.-IIISE). Refer to "How to connect the Scan Tool (M.U.T.-IIISE)
."
(2) Erase the DTC.
(3) Turn on the headlight.
(4) On completion, check that the DTC is not set again.
Is the DTC set?
Replace the ETACS-ECU. The trouble can be an intermittent malfunction (GROUP 00 - How to use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunction ).