Mitsubishi Evolution X. Manual - part 1156

 

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Mitsubishi Evolution X. Manual - part 1156

 

 

TROUBLESHOOTING

TSB Revision

LOCAL INTERCONNECT NETWORK (LIN)

54B-17

Recheck for diagnostic trouble code.
Check again if the DTC is set to the ETACS-ECU.

AC608435

Data link connector

MB991827

MB991824

MB991910

AB

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) Connect scan tool MB991958. Refer to "How to connect the 

Scan Tool (M.U.T.-III) 

P.54B-4

."

(2) Erase the DTC.
(3) Turn the ignition switch to the "ON" position.
(4) Check if the DTC is set.
(5) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the DTC set?

YES : Replace the lighting switch.
NO :  A poor connection, open circuit, or other intermittent 

malfunctions in the LIN bus lines between the column 
switch and the ETACS-ECU (Refer to GROUP 00, 
How to Cope with Intermittent Malfunction 

P.00-15

).

DTC U150C: P/W SW (DR) checksum error

.

TROUBLE JUDGMENT

The ETACS-ECU will set DTC U150C when abnor-
mal signals are received from the power window 
main switch.

.

TROUBLESHOOTING HINTS

• The power window main switch may be defective.

DIAGNOSIS

Required Special Tools:

• MB991958: Scan Tool (M.U.T.-III Sub Assembly)

• MB991824: Vehicles Communication Interface (V.C.I.)

• MB991827: M.U.T.-III USB Cable

• MB991910: M.U.T.-III Main Harness A (Vehicles with 

CAN communication system)

TROUBLESHOOTING

TSB Revision

LOCAL INTERCONNECT NETWORK (LIN)

54B-18

Recheck for diagnostic trouble code.
Check again if the DTC is set to the ETACS-ECU.

AC608435

Data link connector

MB991827

MB991824

MB991910

AB

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) Connect scan tool MB991958. Refer to "How to connect the 

Scan Tool (M.U.T.-III) 

P.54B-4

."

(2) Erase the DTC.
(3) Turn the ignition switch to the "ON" position.
(4) Check if the DTC is set.
(5) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the DTC set?

YES : Replace the power window main switch.
NO :  A poor connection, open circuit, or other intermittent 

malfunctions in the LIN bus lines between the power 
window main switch and the ETACS-ECU (Refer to 
GROUP 00, How to Cope with Intermittent 
Malfunction 

P.00-15

).

DTC U1511: Sunroof checksum error <Vehicles with sunroof>

.

TROUBLE JUDGMENT

The ETACS-ECU will set DTC U1511 when abnor-
mal signals are received from the sunroof motor 
assembly (sunroof-ECU).

.

TROUBLESHOOTING HINTS

• The sunroof motor assembly may be defective.

DIAGNOSIS

Required Special Tools:

• MB991958: Scan Tool (M.U.T.-III Sub Assembly)

• MB991824: Vehicles Communication Interface (V.C.I.)

• MB991827: M.U.T.-III USB Cable

• MB991910: M.U.T.-III Main Harness A (Vehicles with 

CAN communication system)

TROUBLESHOOTING

TSB Revision

LOCAL INTERCONNECT NETWORK (LIN)

54B-19

Recheck for diagnostic trouble code.
Check again if the DTC is set to the ETACS-ECU.

AC608435

Data link connector

MB991827

MB991824

MB991910

AB

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) Connect scan tool MB991958. Refer to "How to connect the 

Scan Tool (M.U.T.-III) 

P.54B-4

."

(2) Erase the DTC.
(3) Turn the ignition switch to the "ON" position.
(4) Check if the DTC is set.
(5) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the DTC set?

YES : Replace the sunroof motor assembly.
NO :  A poor connection, open circuit, or other intermittent 

malfunctions in the LIN bus lines between the sunroof 
motor assembly and the ETACS-ECU (Refer to 
GROUP 00, How to Cope with Intermittent 
Malfunction 

P.00-15

).

DTC U1512: Rain light sensor checksum error <Vehicles with auto light function>

.

TROUBLE JUDGMENT

The ETACS-ECU will set DTC U1512 when abnor-
mal signals are received from the lighting control 
sensor.

.

TROUBLESHOOTING HINTS

• The lighting control sensor may be defective.

DIAGNOSIS

Required Special Tools:

• MB991958: Scan Tool (M.U.T.-III Sub Assembly)

• MB991824: Vehicles Communication Interface (V.C.I.)

• MB991827: M.U.T.-III USB Cable

• MB991910: M.U.T.-III Main Harness A (Vehicles with 

CAN communication system)

TROUBLESHOOTING

TSB Revision

LOCAL INTERCONNECT NETWORK (LIN)

54B-20

Recheck for diagnostic trouble code.
Check again if the DTC is set to the ETACS-ECU.

AC608435

Data link connector

MB991827

MB991824

MB991910

AB

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) Connect scan tool MB991958. Refer to "How to connect the 

Scan Tool (M.U.T.-III) 

P.54B-4

."

(2) Erase the DTC.
(3) Turn the ignition switch to the "ON" position.
(4) Check if the DTC is set.
(5) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the DTC set?

YES : Replace the lighting control sensor.
NO :  A poor connection, open circuit, or other intermittent 

malfunctions in the LIN bus lines between the lighting 
control sensor and the ETACS-ECU (Refer to 
GROUP 00, How to Cope with Intermittent 
Malfunction 

P.00-15

).

DTC U1514: Bit error (LIN)

.

TROUBLE JUDGMENT

The ETACS-ECU receives and sends data simulta-
neously. If the data contains a fault, the ETACS-ECU 
will set DTC U1514. 

.

TROUBLESHOOTING HINTS

• The slave ECU may be defective.

• The ETACS-ECU may be defective.

• Electrical noise generated in the LIN bus lines

DIAGNOSIS

Required Special Tools:

• MB991958: Scan Tool (M.U.T.-III Sub Assembly)

• MB991824: Vehicles Communication Interface (V.C.I.)

• MB991827: M.U.T.-III USB Cable

• MB991910: M.U.T.-III Main Harness A (Vehicles with 

CAN communication system)

 

 

 

 

 

 

 

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