Lancer Evolution L4-2.0L Turbo (4B11T/C) (2010)
1. Disconnect joint connector (CAN1) C-105 and A/C-ECU connector C-22 [vehicles with A/C] or heater control unit connector C-53 [vehicles
without A/C], and check the wiring harness.
2. Check the wiring harness between joint connector (CAN1) C-105 (terminal 1) and A/C-ECU connector C-22 [vehicles with A/C] or heater control
unit connector C-53 [vehicles without A/C] (terminal 11)
OK: Continuity exists (2 ohms or less)
3. Check the wiring harness between joint connector (CAN1) C-105 (terminal 12) and A/C-ECU connector C-22 [vehicles with A/C] or heater
control unit connector C-53 [vehicles without A/C] (terminal 12)
OK: Continuity exists (2 ohms or less)
Q: Is the wiring harness between joint connector (CAN1) C-105 and A/C-ECU connector C-22 [vehicles with A/C] or heater control unit connector
C-53 [vehicles without A/C] in good condition?
YES : Check the power supply circuit of the A/C-ECU [vehicles with A/C] or heater control unit [vehicles without A/C]. Refer to Diagnosis See:
Heating and Air Conditioning/Testing and Inspection/Symptom Related Diagnostic Procedures/Symptom Chart [vehicles with A/C] or See:
Heating and Air Conditioning/Testing and Inspection/Symptom Related Diagnostic Procedures/Symptom Chart [Vehicles Without A/C] [vehicles
without A/C].
NO : Repair the wiring harness between joint connector (CAN1) C-105 and A/C-ECU connector C-22 [vehicles with A/C] or heater control unit
connector C-53 [vehicles without A/C].
Diagnostic Item 20
DIAGNOSTIC ITEM 20: Diagnose When The Scan Tool Cannot Receive The Data Sent By Radio And CD Player Or CD Changer.
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.