Lancer Sportback L4-2.4L (4B12) (2010)
TROUBLESHOOTING HINTS
-
Malfunction of the connector (data link connector or ETACS-ECU connector improperly connected)
-
Malfunction of the wiring harness (open circuit, short to ground, short to power supply between the data link connector and the ETACS-ECU
connector, line-to-line short, or the power supply circuit of the ETACS-ECU)
-
Malfunction of ETACS-ECU
DIAGNOSIS
Required Special Tools:
-
MB991223: Harness Set
-
MB992006: Extra Fine Probe
-
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
STEP 1. Check data link connector C-34 and ETACS-ECU connector C-301 for loose, corroded or damaged terminals, or terminals pushed
back in the connector.
CAUTION: The strand end of the twisted wire should be within 10 cm (4 inches) from the connector.
Q: Are data link connector C-34 and ETACS-ECU connector C-301 in good condition?
YES : Go to Step 2.
NO : Repair the damaged parts.
STEP 2. Check the wiring harness between data link connector C-34 and ETACS-ECU connector C-301 for open circuit.
CAUTION: Strictly observe the specified wiring harness repair procedure.
1. Disconnect the scan tool and ETACS-ECU connector C-301, and check the wiring harness.
2. Check the wiring harness between data link connector C-34 (terminal 6) and ETACS-ECU connector C-301 (terminal 5) ([CAN_H]
OK: Continuity exists (2 ohm or less)
3. Check the wiring harness between data link connector C-34 (terminal 14) and ETACS-ECU connector C-301 (terminal 4) (CAN_L)