TROUBLESHOOTING HINT
Malfunction of the ETACS-ECU
Required Special Tools
- MB991958: Scan Tool (M.U.T.-III Sub Assembly) MB991824: Vehicle Communication Interface (V.C.I.) MB991827: M.U.T.-III USB Cable MB991910: M.U.T.-III Main Harness A
Recheck for other system diagnostic trouble code.
| CAUTION | To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991958. |
Check whether ETACS-ECU-related DTC is set.
- Connect scan tool MB991958 to the data link connector.
- Turn the ignition switch to the "ON" position.
- Check if the DTC is set.
- Turn the ignition switch to the "LOCK" (OFF) position. Q: Is the DTC set? YES (The DTC other than the U code is set.): Troubleshoot the ETACS-ECU. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(/mitsubishi/lancer-evolution/x-2007-2016/remont/communication-devices/#electronic-time-and-alarm-control-system-etacs-lancer-evolution__diagnostic-trouble-code-chart) . YES (Only U-code DTC is set.): Check the power supply circuit of the ETACS-ECU. Refer to «TROUBLE SYMPTOM CHART»(/mitsubishi/lancer-evolution/x-2007-2016/remont/communication-devices/#electronic-time-and-alarm-control-system-etacs-lancer-evolution__trouble-symptom-chart) . NO (The DTC is not set.): Check the power supply circuit of the ETACS-ECU. Refer to «TROUBLE SYMPTOM CHART»(/mitsubishi/lancer-evolution/x-2007-2016/remont/communication-devices/#electronic-time-and-alarm-control-system-etacs-lancer-evolution__trouble-symptom-chart) .