Mitsubishi Lancer Evolution IX. Manual - part 593

TROUBLESHOOTING <ACD>

MANUAL TRANSMISSION (FF)

22A-55

STEP 2. Measure the voltage at longitudinal 
G-sensor connector D-38.

(1) Disconnect the longitudinal G-sensor connector, 

and measure the voltage between terminal No.1 
and earth.

(2) Turn the ignition switch to the ON position.

OK: System voltage

Q: Is the check result normal?

YES : 

Go to Step 7.

NO : 

Go to Step 3.

STEP 3. Connector check: C-211, C-214 J/B 
connector, D-38 longitudinal G-sensor connector.

Check for the contact with terminals.

Q: Is the check result normal?

YES : 

Go to Step 4.

NO : 

Repair the defective connector.

AC311048

<LH drive vehicles>

Sensor side

D-38 (B)

AB

Connector: D-38

<RH drive vehicles>

D-38 (B)

AC310448

AW

Connector: C-211, C-214 <LH drive vehicles>

Junction block (front view)

C-214

C-211

C-211

C-214

AC310458

AS

Connector: C-211, 
C-214 <RH drive vehicles>

C-214

C-211

C-214

Junction block (front view)

C-211

AC311048

<LH drive vehicles>

Sensor side

D-38 (B)

AB

Connector: D-38

<RH drive vehicles>

D-38 (B)

TROUBLESHOOTING <ACD>

MANUAL TRANSMISSION (FF)

22A-56

STEP 4. Check the harness between J/B 
connector C-214 terminal No.26 and longitudinal 
G-sensor connector D-38 terminal No.1.

Check the power supply line for short or open circuit.

Q: Is the check result normal?

YES : 

Go to Step 5.

NO : 

Repair the wiring harness.

STEP 5. Replace the longitudinal G-sensor and 
then recheck the diagnosis code.
(1) Replace the longitudinal G-sensor.
(2) Test drive the vehicle.
(3) Check the diagnosis code.

Q: Is the diagnosis code set?

YES : 

Go to Step 6.

NO : 

The inspection is complete.

STEP 6. M.U.T.-II/III data list
Item 14: Longitudinal G-sensor voltage (Refer to data 
list reference table 

P.22A-142

).

Q: Is the check result normal?

YES : 

Intermittent malfunction (Refer to GROUP 

00 

− How to Cope with Intermittent 

Malfunction 

P.00-5

).

NO : 

Replace the 4WD-ECU.

STEP 7. Measure the resistance at longitudinal 
G-sensor connector D-38.

Disconnect the longitudinal G-sensor connector, and 
measure the resistance between terminal No.3 and 
earth.

OK: 2 

Ω or less

Q: Is the check result normal?

YES : 

Go to Step 12.

NO : 

Go to Step 8.

AC310448

AU

Connector: C-214 <LH drive vehicles>

Junction block (front view)

Junction block side

C-214

AC310458

AO

Connector: C-214 
<RH drive vehicles>

Junction block (front view)

Junction 
block side

C-214

AC311048

<LH drive vehicles>

Sensor side

D-38 (B)

AB

Connector: D-38

<RH drive vehicles>

D-38 (B)

AC311048

<LH drive vehicles>

Sensor side

D-38 (B)

AB

Connector: D-38

<RH drive vehicles>

D-38 (B)

TROUBLESHOOTING <ACD>

MANUAL TRANSMISSION (FF)

22A-57

STEP 8. Connector check: B-118 ABS-ECU 
connector, C-124 intermediate connector, D-38 
longitudinal G-sensor connector <LH drive 
vehicles> or B-118 ABS-ECU connector, C-122 
intermediate connector, D-38 longitudinal 
G-sensor connector <RH drive vehicles>.

Check for the contact with terminals.

Q: Is the check result normal?

YES : 

Go to Step 9.

NO : 

Repair the defective connector.

AC311020

Harness side

B-118 
(B)

AB

Connector: B-118

<LH drive vehicles>

<RH drive vehicles>

B-118 
(GR)

B-118

AC311015AB

Connector: C-124 <LH drive vehicles>

C-124

AC311016AE

Connector: C-122 <RH drive vehicles>

C-122 (L)

AC311048

<LH drive vehicles>

Sensor side

D-38 (B)

AB

Connector: D-38

<RH drive vehicles>

D-38 (B)

TROUBLESHOOTING <ACD>

MANUAL TRANSMISSION (FF)

22A-58

STEP 9. Check the harness between ABS-ECU 
connector B-118 terminal No.15 and longitudinal 
G-sensor connector D-38 terminal No.3.

Check the earth line for open circuit.

Q: Is the check result normal?

YES : 

Go to Step 10.

NO : 

Repair the wiring harness.

STEP 10. Replace the longitudinal G-sensor and 
then recheck the diagnosis code.
(1) Replace the longitudinal G-sensor.
(2) Test drive the vehicle.
(3) Check the diagnosis code.

Q: Is the diagnosis code set?

YES : 

Go to Step 11.

NO : 

The inspection is complete.

STEP 11. M.U.T.-II/III data list
Item 14: Longitudinal G-sensor voltage (Refer to data 
list reference table 

P.22A-142

).

Q: Is the check result normal?

YES : 

Intermittent malfunction (Refer to GROUP 

00 

− How to Cope with Intermittent 

Malfunction 

P.00-5

).

NO : 

Refer to GROUP 35B 

− Inspection Chart for 

Diagnosis Code 

P.35B-9

.

AC311020

Harness side

B-118 
(B)

AB

Connector: B-118

<LH drive vehicles>

<RH drive vehicles>

B-118 
(GR)

B-118

AC311048

<LH drive vehicles>

Sensor side

D-38 (B)

AB

Connector: D-38

<RH drive vehicles>

D-38 (B)