Lancer Evolution L4-2.0L Turbo (4B11T/C) (2010)
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3. Diagnose CAN bus lines, and check if the scan tool MB991958 screen is as shown in the figure.
OK: The display of the scan tool MB991958 is as shown in the figure.
Q: Does scan tool MB991958 screen correspond to the illustration?
YES : The trouble can be an intermittent malfunction.
NO : Check the ETACS-ECU connector C-301, and repair if necessary. If the ETACS-ECU connector is in good condition, replace the
ETACS-ECU.
Diagnostic Item 26
DIAGNOSTIC ITEM 26: Diagnose The ETACS-ECU, Joint Connector (CAN1) Or Lines Between ETACS-ECU And Joint Connector (CAN1).
CAUTION: When servicing a CAN bus line, ground yourself by touching a metal object such as an unpainted water pipe. If you fail to do so, a
component connected to the CAN bus line may be damaged.
