Lancer Evolution L4-2.0L Turbo (4B11T/C) (2010)
1. Scan tool CAN bus diagnostics
Scan tool MB991958 diagnoses CAN bus lines in accordance with the following strategy.
NOTE: After you determine whether the CAN-C lines are in good condition, then determine whether the CAN-B lines are in good condition.
Then confirm each judgment result on the scan tool screen.
1. Check that the ETACS-ECU sets a diagnostic trouble code.
You can narrow down the points to be diagnosed by confirming an ETACS-ECU diagnostic trouble code.
2. Checking the communication condition of ECUs
Scan tool MB991958 narrows down troubles in circuit by itself. Its strategies are as follows.