Mitsubishi Colt Ralliart. Manual - part 411

 

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Mitsubishi Colt Ralliart. Manual - part 411

 

 

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-152

INSPECTION PROCEDURE J-6: The high-beam indicator lamp does not illuminate.

CAUTION

Whenever the ECU is replaced, ensure that the 
input and output signal circuits are normal.

COMMENTS ON TROUBLE SYMPTOM

If the high beam indicator does not illuminate nor-
mally, connector(s), wiring harness in the CAN bus 
lines, the ETACS-ECU or the combination meter may 
be defective.

POSSIBLE CAUSES

• Malfunction of the combination meter

• Malfunction of the ETACS-ECU

• Damaged harness wires and connectors

DIAGNOSIS PROCEDURE

Step 1. Check the headlamps.
When the lighting switch is operated, check that the 
headlamps illuminate/go off normally.

Q: Are the headlamps in good condition?

YES : 

Go to Step 2.

NO : 

First, repair the headlamps. Refer to 
Inspection Procedure J-3 "The high-beam 
headlamps do not illuminate normally 

P.54C-143

."

Step 2. M.U.T.-III CAN bus diagnostics.
Use the M.U.T.-III to diagnose the CAN bus lines.

Q: Is the check result normal?

YES : 

Go to Step 3.

NO : 

Repair the CAN bus line (Refer to GROUP 
54D, Diagnosis 

P.54D-13

).

Step 3. M.U.T.-III other system diagnosis code.
Check whether the combination meter-related diag-
nosis code is set.

Q: Is the diagnosis code set?

YES : 

Diagnose the combination meter (Refer to 

GROUP 54A 

− Troubleshooting 

P.54A-31

).

NO : 

Go to Step 4.

Step 4. ECU check by using the SWS monitor
Check that the power supply and earth lines to the 
ETACS-ECU and the SWS communication lines are 
normal.

• Ignition switch: OFF

ECU TO BE CHECKED

• ETACS ECU

OK: "OK" is displayed on the "ETACS ECU" 
menu.

Q: Is the check result normal?

YES : 

Go to Step 5.

NO : 

Refer to Inspection Procedure A-3 
"Communication with the ETACS-ECU is 
not possible 

P.54C-41

."

INPUT SIGNAL

ETACS-ECU

DIMMER SWITCH

COMBINATION
METER

CAN COMMUNICATION LINE
(CAN_L LINE)

CAN COMMUNICATION LINE
(CAN_H LINE)

High-Beam Indicator Lamp Circuit

Main

Index

Group

TOC

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-153

Step 5. M.U.T.-III actuator test
Perform the actuator test for the combination meter, 
and check that the high-beam indicator illuminates 
(Refer to GROUP 54A 

− Combination Meter 

P.54A-62

).

Q: Is the check result normal?

YES : 

Replace the ETACS-ECU.

NO : 

Replace the combination meter.

Main

Index

Group

TOC

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-154

INSPECTION PROCEDURE J-7: Any of tail lamps, position lamps or licence plate lamp does not 
illuminate.

CAUTION

Whenever the ECU is replaced, ensure that the 
input and output signal circuits are normal.

COMMENTS ON TROUBLE SYMPTOM

If the tail lamps, the position lamps or the licence 
plate lamps do not illuminate, the wiring harness con-
nector(s), the bulb or the fuse may be defective or 
burned out.

POSSIBLE CAUSES

• Burned-out bulb

• Damaged harness wires and connectors

FRONT
COMBINATION
LAMP
(POSITION: LH)

REAR 
COMBINATION
LAMP (TAIL: LH)

ETACS-ECU

LICENCE
PLATE
LAMP

FRONT
COMBINATION
LAMP
(POSITION: RH)

TAIL LAMP RELAY

REAR 
COMBINATION
LAMP (TAIL: RH)

J/B SIDE

Tail Lamps, Position Lamps and Licence Plate Lamp Circuit

Wire colour code
B : Black     LG : Light green     G : Green     L : Blue     W : White     Y : Yellow     SB : Sky blue
BR : Brown     O : Orange     GR : Grey     R : Red     P : Pink     V : Violet     PU : Purple

Main

Index

Group

TOC

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-155

DIAGNOSTIC PROCEDURE

Step 1. Connector check: E-12 rear combination 
lamp (tail: LH) connector or E-03 rear 
combination lamp (tail: RH) connector, A-12 front 
combination lamp (position: LH) connector or 
A-25 front combination lamp (position: RH) 
connector or E-07 licence plate lamp (LH) 
connector

Q: Is the check result normal?

YES : 

Go to Step 2.

NO : 

Repair the defective connector.

Step 2. Check the bulbs of the tail lamps, the 
position lamps or the licence plate lamps.
Check the bulb of the lamp which does not illumi-
nate.

Q: Is the check result normal?

YES : 

Go to Step 3.

NO : 

Replace the bulb of the lamp which does not 
illuminate.

AC509191

Connector: A-12

Harness side

AB

A-12 (B)

AC509176

Connector: A-25

Harness side

AC

A-25(B)

AC401047

Connectors: E-03, E-07, E-12

Harness side

E-03

AB

E-03(B)

E-07

E-12(B)

Harness side

E-12

Harness side

E-07

Main

Index

Group

TOC

 

 

 

 

 

 

 

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