Mitsubishi Evolution X. Manual - part 1145

DIAGNOSIS

TSB Revision

CONTROLLER AREA NETWORK (CAN)

54C-215

STEP 27. Check the wiring harness between joint 
connector (CAN1) C-105 and KOS-ECU connector C-05 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 9 and 22.

OK: No continuity

Q: Is the check result normal?

YES : Go to Step 29.
NO :  Go to Step 49.

STEP 28. Check the wiring harness between joint 
connector (CAN1) C-105 and WCM connector C-07 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 7 and 20.

OK: No continuity

Q: Is the check result normal?

YES : Go to Step 29.
NO :  Go to Step 50.

STEP 29. Check the wiring harness between joint 
connector (CAN1) C-105 and SRS-ECU connector C-37 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 8 and 21.

OK: No continuity

Q: Is the check result normal?

YES : Go to Step 30.
NO :  Go to Step 51.

AC709707

Harness side: C-105

CS

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AC709707

Harness side: C-105

CT

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AC709707

Harness side: C-105

CU

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DIAGNOSIS

TSB Revision

CONTROLLER AREA NETWORK (CAN)

54C-216

STEP 30. Check the wiring harness between joint 
connector (CAN1) C-105 and occupant classification-ECU 
connector D-39-2 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 11 and 24.

OK: No continuity

Q: Is the check result normal?

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

32.

YES (vehicles with hands free system) : Go to Step 31.
NO  :  Go to Step 52.

STEP 31. Check the wiring harness between joint 
connector (CAN1) C-105 and hands free module connector 
C-11 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 10 and 23.

OK: No continuity

Q: Is the check result normal?

YES : Go to Step 32.
NO :  Go to Step 53.

STEP 32. Check the wiring harness between joint 
connector (CAN1) C-105 and A/C-ECU connector C-22 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.

AC709707

Harness side: C-105

CV

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AC709707

Harness side: C-105

CW

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AC709707

Harness side: C-105

CX

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DIAGNOSIS

TSB Revision

CONTROLLER AREA NETWORK (CAN)

54C-217

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.

AC709707

Harness side: C-105

CY

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AC709707

Harness side: C-105

CY

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AC709707

Harness side: C-105

CZ

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DIAGNOSIS

TSB Revision

CONTROLLER AREA NETWORK (CAN)

54C-218

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 proce-
dure. For details refer to 

P.54C-7

.

(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 

Ω 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 

Ω 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.

AC709707

Harness side: C-105

DA

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AC709707

AC709707 DB

Harness side: C-105

Harness side: C-04

TEST HARNESS

TEST HARNESS

AC709707 DC

Harness side: C-105

Harness side: C-04

TEST HARNESS

TEST 
HARNESS