Mitsubishi Evolution X. Manual - part 1146

DIAGNOSIS

TSB Revision

CONTROLLER AREA NETWORK (CAN)

54C-219

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 

Ω 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 

Ω 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 

Ω or less)

AC709707 DD

Harness side: C-105

Harness side: C-05

TEST HARNESS

TEST HARNESS

AC709707 DE

Harness side: C-105

Harness side: C-05

TEST HARNESS

TEST 
HARNESS

AC709707

AC709707 DF

Harness side: C-105
Harness side: C-07

TEST HARNESS

TEST 
HARNESS

DIAGNOSIS

TSB Revision

CONTROLLER AREA NETWORK (CAN)

54C-220

(3) Check the wiring harness between joint connector (CAN1) 

C-105 (terminal 20) and WCM connector C-07 (terminal 10)

OK: Continuity exists (2 

Ω 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 

Ω 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 

Ω 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.

AC709707 DG

Harness side: C-105

Harness side: C-07

TEST 
HARNESS

TEST 
HARNESS

AC709707

AC709707 BZ

Harness side: C-105

Harness side: C-37

TEST HARNESS

TEST 
HARNESS

AC709707 DH

Harness side: C-105

Harness side: C-37

TEST HARNESS

TEST 
HARNESS

DIAGNOSIS

TSB Revision

CONTROLLER AREA NETWORK (CAN)

54C-221

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 

Ω 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 

Ω or less)

NOTE: Prior to the wiring harness inspection, check inter-
mediate connector C-41 and front seat assembly (LH) con-
nector 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 

Ω or less)

AC709707

AC709707 CB

Harness side: C-105

Harness side: D-39-2

TEST HARNESS

TEST HARNESS

AC709707 CC

Harness side: C-105

Harness side: D-39-2

TEST HARNESS

TEST 
HARNESS

AC709707 DI

Harness side: C-105

Harness side: C-11

TEST HARNESS

TEST 
HARNESS

DIAGNOSIS

TSB Revision

CONTROLLER AREA NETWORK (CAN)

54C-222

(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 

Ω 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 for 
open circuit.
(1) Disconnect joint connector (CAN1) C-105 and A/C-ECU 

connector C-22, 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 (terminal 
11)

OK: Continuity exists (2 

Ω or less)

(3) Check the wiring harness between joint connector (CAN1) 

C-105 (terminal 12) and A/C-ECU connector C-22 (terminal 
12)

OK: Continuity exists (2 

Ω or less)

Q: Is the wiring harness between joint connector (CAN1) 

C-105 and A/C-ECU connector C-22 in good condition?
YES (vehicles without MMCS) : Go to Step 44.
YES (vehicles with MMCS) : Go to Step 45.
NO  :  Go to Step 54.

AC709707 DJ

Harness side: C-105

Harness side: C-11

TEST HARNESS

TEST 
HARNESS

AC709707

AC709707 CD

Harness side: C-105

Harness side: C-22

TEST HARNESS

TEST 
HARNESS

AC709707 CE

Harness side: C-105

Harness side: C-22

TEST 
HARNESS

TEST 
HARNESS