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Home >> Mitsubishi >> 2010 >> Lancer Evolution L4-2.0L Turbo (4B11T/C) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Information Bus >> Testing and Inspection >> Component Tests and General Diagnostics >> CAN Bus Diagnostics >> Diagnostic Item 27 >> Part 2

Part 2

STEP 32. Check 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] For Line-to-line Short. Measure The Resistance At Joint Connector (CAN1) C-105.

1. Disconnect joint connector (CAN1), and check that there is continuity at the harness side of joint connector (CAN1)







2. Check that there is continuity between joint connector (CAN1) terminals 1 and 12.

OK: No continuity

Q: Is the check result normal?

YES (vehicles without MMCS) : Go to Step 33.

YES (vehicles with MMCS) : Go to Step 34.

NO : Go to Step 54.

STEP 33. Check the wiring harness between joint connector (CAN1) C-105 and radio and CD player or CD changer connector C-107 for line-to-line short. Measure the resistance at joint connector (CAN1) C-105.

1. Disconnect joint connector (CAN1), and check that there is continuity at the harness side of joint connector (CAN1)







2. Check that there is continuity between joint connector (CAN1) terminals 5 and 16.

OK: No continuity

Q: Is the check result normal?

YES (vehicles without satellite radio) : Go to Step 36.

YES (vehicles with satellite radio) : Go to Step 35.

NO : Go to Step 55.

STEP 34. Check the wiring harness between joint connector (CAN1) C-105 and CAN box unit connector C-15 for line-to-line short. Measure the resistance at joint connector (CAN1) C-105.

1. Disconnect joint connector (CAN1), and check that there is continuity at the harness side of joint connector (CAN1)







2. Check that there is continuity between joint connector (CAN1) terminals 5 and 16.

OK: No continuity

Q: Is the check result normal?

YES (vehicles without satellite radio) : Go to Step 36.

YES (vehicles with satellite radio) : Go to Step 35.

NO : Go to Step 56.

STEP 35. Check the wiring harness between joint connector (CAN1) C-105 and satellite radio tuner connector C-18 for line-to-line short. Measure the resistance at joint connector (CAN1) C-105.

1. Disconnect joint connector (CAN1), and check that there is continuity at the harness side of joint connector (CAN1)







2. Check that there is continuity between joint connector (CAN1) terminals 2 and 13.

OK: No continuity

Q: Is the check result normal?

YES : Go to Step 36.

NO : Go to Step 57.

STEP 36. Check the wiring harness between joint connector (CAN1) C-105 and EATCS-ECU connector C-301 for line-to-line short. Measure the resistance at joint connector (CAN1) C-105.

1. Disconnect joint connector (CAN1) and ETACS-ECU connector C-301, and check that there is continuity at the harness side of joint connector (CAN1).







2. Check that there is continuity between joint connector (CAN1) terminals 6 and 19.

OK: No continuity

Q: Is the check result normal?

YES : Go to Step 58.

NO : Repair the wiring harness between joint connector (CAN1) C-105 and ETACS-ECU connector C-301.

STEP 37. Check the wiring harness between joint connector (CAN1) C-105 and combination meter connector C-04 for open circuit.

CAUTION: Strictly observe the specified wiring harness repair procedure.

1. Disconnect joint connector (CAN1) C-105 and combination meter connector C-301, and check the wiring harness







2. Check the wiring harness between joint connector (CAN1) C-105 (terminal 3) and combination meter connector C-04 (terminal 14)

OK: Continuity exists (2 ohms or less)







3. Check the wiring harness between joint connector (CAN1) C-105 (terminal 14) and combination meter connector C-04 (terminal 15)

OK: Continuity exists (2 ohms or less)

Q: Is the wiring harness between joint connector (CAN1) C-105 and combination meter connector C-04 in good condition?

YES (vehicles with KOS) : Go to Step 38.

YES (vehicles with WCM) : Go to Step 39.

NO ((vehicles with KOS or WCM) : Go to Step 48.

STEP 38. Check the wiring harness between joint connector (CAN1) C-105 and KOS-ECU connector C-05 for open circuit.

1. Disconnect joint connector (CAN1) C-105 and KOS-ECU connector C-05, and check the wiring harness.







2. Check the wiring harness between joint connector (CAN1) C-105 (terminal 9) and KOS-ECU connector C-05 (terminal 1)

OK: Continuity exists (2 ohms or less)







3. Check the wiring harness between joint connector (CAN1) C-105 (terminal 22) and KOS-ECU connector C-05 (terminal 2)

OK: Continuity exists (2 ohms or less)

Q: Is the wiring harness between joint connector (CAN1) C-105 and KOS-ECU connector C-05 in good condition?

YES : Go to Step 40.

NO : Go to Step 49.

STEP 39. Check the wiring harness between joint connector (CAN1) C-105 and WCM connector C-07 for open circuit.

1. Disconnect joint connector (CAN1) C-105 and WCM connector C-07, and check the wiring harness







2. Check the wiring harness between joint connector (CAN1) C-105 (terminal 7) and WCM connector C-07 (terminal 11)

OK: Continuity exists (2 ohms or less)







3. Check the wiring harness between joint connector (CAN1) C-105 (terminal 20) and WCM connector C-07 (terminal 10)

OK: Continuity exists (2 ohms or less)

Q: Is the wiring harness between joint connector (CAN1) C-105 and WCM connector C-07 in good condition?

YES : Go to Step 40.

NO : Go to Step 50.

STEP 40. Check the wiring harness between joint connector (CAN1) C-105 and SRS-ECU connector C-37 for open circuit.

1. Disconnect joint connector (CAN1) C-105 and SRS-ECU connector C-37, and check the wiring harness.







2. Check the wiring harness between joint connector (CAN1) C-105 (terminal 8) and SRS-ECU connector C-37 (terminal 15)

OK: Continuity exists (2 ohms or less)







3. Check the wiring harness between joint connector (CAN1) C-105 (terminal 21) and SRS-ECU connector C-37 (terminal 16)

OK: Continuity exists (2 ohms or less)

Q: Is the wiring harness between joint connector (CAN1) C-105 and SRS-ECU connector C-37 in good condition?

YES : Go to Step 41.

NO : Go to Step 51.

STEP 41. Check the wiring harness between joint connector (CAN1) C-105 and occupant classification-ECU connector D-39-2 for open circuit.

1. Disconnect joint connector (CAN1) C-105 and occupant classification-ECU connector D-39-2, and check the wiring harness.







2. Check the wiring harness between joint connector (CAN1) C-105 (terminal 11) and occupant classification-ECU connector D-39-2 (terminal 24)

OK: Continuity exists (2 ohms or less)







3. Check the wiring harness between joint connector (CAN1) C-105 (terminal 24) and occupant classification-ECU connector D-39-2 (terminal 25)

OK: Continuity exists (2 ohms or less)

NOTE: Prior to the wiring harness inspection, check intermediate connector C-41 and front seat assembly (LH) connector D-39, and repair if necessary.

Q: Is the wiring harness between joint connector (CAN1) C-105 and occupant classification-ECU connector D-39-2 in good condition?

YES (vehicles without hands free system) : Go to Step 43.

YES (vehicles with hands free system) : Go to Step 42.

NO : Go to Step 52.

STEP 42. Check the wiring harness between joint connector (CAN1) C-105 and hands free module connector C-11 for open circuit.

1. Disconnect joint connector (CAN1) C-105 and occupant hands free module connector C-11, and check the wiring harness.







2. Check the wiring harness between joint connector (CAN1) C-105 (terminal 10) and hands free module connector C-11 (terminal 4)

OK: Continuity exists (2 ohms or less)







3. Check the wiring harness between joint connector (CAN1) C-105 (terminal 23) and hands free module connector C-11 (terminal 16)

OK: Continuity exists (2 ohms or less)

Q: Is the wiring harness between joint connector (CAN1) C-105 and hands free module connector C-11 in good condition?

YES : Go to Step 43.

NO : Go to Step 53.

STEP 43. Check 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] for open circuit.

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 (vehicles without MMCS) : Go to Step 44.

YES (vehicles with MMCS) : Go to Step 45.

NO : Go to Step 54.

STEP 44. Check the wiring harness between joint connector (CAN1) C-105 and radio and CD player or CD changer connector C-107 for open circuit.

1. Disconnect joint connector (CAN1) C-105 and radio and CD player or CD changer connector C-107, and check the wiring harness.







2. Check the wiring harness between joint connector (CAN1) C-105 (terminal 5) and radio and CD player or CD changer connector C-107 (terminal 23)

OK: Continuity exists (2 ohms or less)







3. Check the wiring harness between joint connector (CAN1) C-105 (terminal 16) and radio and CD player or CD changer connector C-107 (terminal 33)

OK: Continuity exists (2 ohms or less)

Q: Is the wiring harness between joint connector (CAN1) C-105 and radio and CD player or CD changer connector C-107 in good condition?

YES (vehicles without satellite radio) : Go to Step 47.

YES (vehicles with satellite radio) : Go to Step 46.

NO :Go to Step 55.

STEP 45. Check the wiring harness between joint connector (CAN1) C-105 and CAN box unit connector C-15 for open circuit.

1. Disconnect joint connector (CAN1) C-105 and CAN box unit connector C-15, and check the wiring harness.







2. Check the wiring harness between joint connector (CAN1) C-105 (terminal 5) and CAN box unit connector C-15 (terminal 8)

OK: Continuity exists (2 ohms or less)







3. Check the wiring harness between joint connector (CAN1) C-105 (terminal 16) and CAN box unit connector C-15 (terminal 9)

OK: Continuity exists (2 ohms or less)

NOTE: Prior to the wiring harness inspection, check intermediate connector C-108, and repair if necessary.

Q: Is the wiring harness between joint connector (CAN1) C-105 and CAN box unit connector C-15 in good condition?

YES (vehicles without satellite radio) : Go to Step 47.

YES (vehicles with satellite radio) : Go to Step 46.

NO : Go to Step 56.
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