Lancer Sportback L4-2.4L (4B12) (2010)
CAN-C Communication Circuit [RALLIART] (Part 2)
FUNCTION
If the scan tool MB991958 cannot communicate with the TCM, this diagnosis result will be set.
TROUBLE JUDGEMENT CONDITIONS
If a communication flag is not set for the steering wheel sensor, the ETACS-ECU determines that there is a failure.
TROUBLESHOOTING HINTS
-
Malfunction of the connector [joint connector (CAN2) or steering wheel sensor connector improperly connected]
-
Malfunction of the wiring harness [open circuit between the steering wheel sensor and the joint connector (CAN2), power supply circuit to the
steering wheel sensor]
-
Malfunction of the steering wheel sensor
DIAGNOSIS
Required Special Tools:
-
MB991223: Harness Set
-
MB992006: Extra Fine Probe
STEP 1. Check joint connector (CAN2) C-05 and steering wheel sensor connector C-211 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 joint connector (CAN2) C-05 and steering wheel sensor connector C-211 in good condition?
YES : Go to Step 2.
NO : Repair the damaged parts.
STEP 2. Check the wiring harness between joint connector (CAN2) C-05 and steering wheel sensor connector C-211 for open circuit.
CAUTION: Strictly observe the specified wiring harness repair procedure.
1. Disconnect joint connector (CAN2) C-05 and steering wheel sensor connector C-211, and check the wiring harness.