Mitsubishi Outlander GS45X. Manual - part 1182

DIAGNOSIS

TSB Revision

WIRELESS CONTROL MODULE (WCM)

42C-95

Inspection Procedure 7: The timer lock function does not work after the doors have been unlocked by 
the keyless entry system.

CAUTION

Before replacing the ECU, ensure that the power supply 
circuit, the ground circuit and the communication circuit 
are normal.

.

COMMENTS ON TROUBLE SYMPTOM

If the timer lock function does not work normally, the keyless 
entry transmitter input signal circuit or ETACS-ECU may be 
faulty.

.

PROBABLE CAUSES

• Malfunction of keyless entry transmitter

• Malfunction of ETACS-ECU

• Damaged wiring harness and connectors

DIAGNOSTIC PROCEDURE

STEP 1. Verify the keyless entry system.
Q: Does the keyless entry system work normally?

YES : Go to Step 2.
NO :  Refer to 

P.42C-80

.

STEP 2. Check the customize function.
The "Timer lock timer" has been set to one of the followings 
with the customization function. Check if the doors are locked 
at the set period.

• 30sec

• 60sec

• 120sec

• 180sec

Q: Is the check result normal?

YES : Go to Step 3.
NO :  Set "Timer lock timer" to one of the time above with a 

customization function (Refer to 

P.42B-199

).

STEP 3. Check of the troubles
Check that the keyless entry system works normally.
Q: Is the check result normal?

YES : Intermittent malfunction (Refer to GROUP 00 

− How 

to Use Troubleshooting/Inspection Service Points - 
How to Cope with Intermittent Malfunction 

P.00-15

).

NO :  Replace ETACS-ECU.

DIAGNOSIS

TSB Revision

WIRELESS CONTROL MODULE (WCM)

42C-96

Inspection Procedure 8: Power door locks with selective unlocking does not work.

CAUTION

Before replacing the ECU, ensure that the power 
supply circuit, the ground circuit and the com-
munication circuit are normal.

.

COMMENT ON TROUBLE SYMPTOM

If the keyless entry function works normally and only 
the power door locks with selective unlocking does 
not work normally, ETACS-ECU may be defective. In 
addition, it is possible that the function has been dis-
abled by using the customization function.

.

PROBABLE CAUSES

• Malfunction of ETACS-ECU

• Damaged wiring harness and connectors

DIAGNOSIS PROCEDURE

STEP 1. Check the customization
Q: Are the power door locks with selective unlocking 

enabled by the customization function?
YES : Go to Step 2.
NO :  Set the power door locks with selective unlocking to 

"Enabled" by using the customization function. Refer 
to 

P.42C-112

.

STEP 2. Keyless entry system operation check
Press the unlock switch of the transmitter and check that only 
the driver's door is unlocked. Then, press the unlock switch 
once again within 2 seconds after that to check that the front 
passenger's door, the rear doors and the liftgate are unlocked.
Q: Does the keyless entry system work normally?

YES : Go to Step 3.
NO (Only the driver's door is not unlocked.) : Replace 

the ETACS-ECU.

NO (The driver's door, front passenger's door, rear 
doors and liftgate are not unlocked.) : Refer to Inspection 

Procedure 5: "Keyless entry system does not work 

P.42C-89

."

STEP 3. Check of the troubles
Check that the power door locks with selective unlocking works 
normally.
Q: Is the check result normal?

YES : Intermittent malfunction (Refer to GROUP 00 

− How 

to Use Troubleshooting/Inspection Service Points 

− 

How to Cope with Intermittent Malfunction 

P.00-15

).

NO :  Replace ETACS-ECU.

DIAGNOSIS

TSB Revision

WIRELESS CONTROL MODULE (WCM)

42C-97

DATA LIST REFERENCE TABLE

M1427501000108

Item No.

Scan tool MB991958 
display

Check conditions

Normal conditions

1

Received key data(ID)

−

Key ID for stored ignition key

2

Received key 
data(button)

−

Switch display of transmitter

13

Number of registered 
IMMOB.key

−

Number of stored ignition keys 
(Number of registered ignition 
keys that can start the engine)

21

Air pressure, Tire 1

−

−

22

Air pressure, Tire 2

23

Air pressure, Tire 3

24

Air pressure, Tire 4

25

*

Air pressure, Tire 5

31

Acceleration, Tire 1

−

−

32

Acceleration, Tire 2

33

Acceleration, Tire 3

34

Acceleration, Tire 4

35

*

Acceleration, Tire 5

36

Threshold of PRS. 
warning

The tire pressure is within the 
specified value range.

OFF

The tire pressure is not within 
the specified value range.

ON

37

Threshold of PRS. 
warning release

The tire pressure is within the 
specified value range.

ON

The tire pressure is not within 
the specified value range.

OFF

38

Number of registered 
TPMS ID

−

Number of stored TPMS

39

Ignition signal(CAN data) Ignition switch status 

information received from 
ETACS-ECU via CAN:ON

ON

Ignition switch status 
information received from 
ETACS-ECU via CAN:OFF

OFF

40

Ignition signal(Port input) Ignition switch: ON

ON

Ignition switch: OFF

OFF

41

VSS

Drive the vehicle

The scan tool and the 
speedometer readings are 
approximately the same

50

Registered ID reception, 
Tier1 

Ignition switch: ON

Yes

Ignition switch: OFF

No

51

Registered ID reception, 
Tier2 

Ignition switch: ON

Yes

Ignition switch: OFF

No

DIAGNOSIS

TSB Revision

WIRELESS CONTROL MODULE (WCM)

42C-98

NOTE: 

*

 shows that it is displayed but not used.

CHECK AT ECU TERMINALS

M1427500900227

52

Registered ID reception, 
Tier3 

Ignition switch: ON

Yes

Ignition switch: OFF

No

53

Registered ID reception, 
Tier4 

Ignition switch: ON

Yes

Ignition switch: OFF

No

54

*

Registered ID reception, 
Tier5

−

−

−

−

61

Air pressure, Tire1(not 
adjusted)

−

−

62

Air pressure, Tire2(not 
adjusted)

63

Air pressure, Tire3(not 
adjusted)

64

Air pressure, Tire4(not 
adjusted)

65

*

Air pressure, Tire5(not 
adjusted)

Item No.

Scan tool MB991958 
display

Check conditions

Normal conditions

ACA02747

C-29

AB

Terminal 
No.

Check items

Check conditions

Normal conditions

1 

− 5

−

−

−

6

Power supply (Battery)

Always

Battery positive 
voltage

7

Ground

Always

1 V or less

8

−

−

−

9

Power supply (Ignition switch: IG1) Ignition switch: ON

Battery positive 
voltage

10

CAN L

−

−

11

CAN H

−

−