Mitsubishi Lancer Evolution X. Manual - part 56

DIAGNOSIS

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CONTROLLER AREA NETWORK (CAN)

54C-249

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 Ω 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 Ω or less)

NOTE: Prior to the wiring harness inspection, check inter-
mediate 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.

AC709707

AC709707 CH

Harness side: C-105

Harness side: C-15

TEST 
HARNESS

TEST HARNESS

AC709707 CI

Harness side: C-105

Harness side: C-15

TEST 
HARNESS

TEST 
HARNESS

DIAGNOSIS

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CONTROLLER AREA NETWORK (CAN)

54C-250

STEP 46. Check the wiring harness between joint 
connector (CAN1) C-105 and satellite radio tuner 
connector C-18 for open circuit.
(1) Disconnect joint connector (CAN1) C-105 and satellite radio 

tuner connector C-18, and check the wiring harness.

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

C-105 (terminal 2) and satellite radio tuner connector C-18 
(terminal 4)

OK: Continuity exists (2 Ω or less)

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

C-105 (terminal 13) and satellite radio tuner connector C-18 
(terminal 11)

OK: Continuity exists (2 Ω or less)

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

C-105 and satellite radio tuner connector C-18 in good 
condition?
YES : Go to Step 47.
NO :  Go to Step 57.

AC709707 CJ

Harness side: C-105

Harness side: C-18

TEST 
HARNESS

TEST 
HARNESS

AC709707 CK

Harness side: C-105

Harness side: C-18

TEST 
HARNESS

TEST HARNESS

DIAGNOSIS

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CONTROLLER AREA NETWORK (CAN)

54C-251

STEP 47. Check the wiring harness between joint 
connector (CAN1) C-105 and ETACS-ECU connector C-301 
for open circuit.
(1) Disconnect joint connector (CAN1) C-105 and ETACS-ECU 

connector C-301, and check the wiring harness.

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

C-105 (terminal 6) and ETACS-ECU connector C-301 
(terminal 6)

OK: Continuity exists (2 Ω or less)

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

C-105 (terminal 19) and ETACS-ECU connector C-301 
(terminal 7)

OK: Continuity exists (2 Ω or less)

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

C-105 and ETACS-ECU connector C-301 in good 
condition?
YES : Go to Step 58.
NO :  Repair the wiring harness between joint connector 

(CAN1) C-105 and ETACS-ECU connector C-301.

AC709707 CP

Harness side: C-105

Harness side: C-301

TEST 
HARNESS

TEST 
HARNESS

AC709707 CQ

Harness side: C-105

Harness side: C-301

TEST 
HARNESS

TEST 
HARNESS

DIAGNOSIS

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CONTROLLER AREA NETWORK (CAN)

54C-252

STEP 48. Using scan tool MB991958, diagnose the CAN 
bus line. (checking the combination meter for internal 
failure)

CAUTION

Strictly observe the specified wiring harness repair proce-
dure. For details refer to 

P.54C-7

.

CAUTION

To prevent damage to scan tool MB991958, always turn the 
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
(1) Disconnect combination meter connector C-04.
(2) Connect scan tool MB991958 to the data link connector.
(3) Turn the ignition switch to the "ON" position.

AC608435

Data link connector

MB991827

MB991824

MB991910

AB