2007 MITSUBISHI LANCER EVOLUTION warning light

CHASSIS ELECTRICAL-Hazard Warning Lamp Switch/Horn/Cigarette Lighter
ILL
ILL
54A-37
INSPECTION
HAZARD WARNING LAMP SWITCH CONTINUITY
CHECK
Switch PositionTerminal No.
1234
OFF
ON
HORN
INSPECTION
HORN RELAY CONTINUITY CHECK
Switch PositionTerminal No.
1432
De-energized
Energized
CIGARETTE LIGHTER
INSPECTION
DRemove plug and check for wear on spot.
DCheck for residual cigarette or foreign object on element.
DWith circuit tester, check for element continuity.

Horn relay
Spot
Element

SWS -Troubleshooting54B-3
INPUT SIGNAL CHECK
1. Check the inputs using MUT-II or a voltmeter. (Refer to GROUP 00 - How to Use
Troubleshooting/Inspection Service Points.)
2. The following input signals can be checked using MUT-II or a voltmeter connected to the diagnosis
connector.
NOTE
When fault is detected during input signal inspection, refer to Trouble Symptom Chart to perform
troubleshooting. (Refer to P.54B-7).
Input Signal Check Function
Input signalBuzzer operation condition
Ignition switch (ACC)When ignition switch turned from “LOCK” (OFF)
to ACC.
Ignition switch (IG1)When ignition switch turned from “ACC” to “ON”.
Hazard warning lamp switchWhen switch turned from OFF to ON.
Rear fog lamp switch
Driver’s door switchWhen driver’s door opened from closed
All door switchesWhen any door opened when all doors were
closed.
Driver’s door lock actuatorWhen the driver’s side key cylinder or inside lock
knob is moved from the locked to unlocked
position or vice versa.
Vehicle speed signalVehicle speed changes from less than 10 km/h to
10 km/h or more.
Column switchesTail lamp switchWhen lighting switch turned from automatic
lighting to tail lamp position.
Headlamp switchWhen lighting switch turned from tail lamp to
headlamp position.
Dimmer switchWhen switch turned from OFF to ON.
Passing switch
Left-hand turn signal lamp switch
Right-hand turn signal lamp switch
Windshield mist wiper switch
Windshield wiper intermittent timing switch
Windshield wiper LO speed switch
Windshield wiper HI speed switch
Windshield washer switchWhen switch turned from OFF to ON.
Power window
main switchAll switchesWhen switch turned from OFF to ON.
DIAGNOSIS CODE CHART
Code No.Diagnosis itemReference page
11ETACS-ECU-related failure54B-4
12Column switch-related failure or fault in connecting to ETACS-ECU54B-4
13Front-ECU-related failure or fault in connecting to ETACS-ECU54B-5
21Short circuit in communication lines54B-6

SWS -Troubleshooting54B-7
TROUBLE SYMPTOM CHART
Trouble symptomInspection
procedureReference
page
No communication with MUT-IIA-154B-10
BuzzersLights left ON reminder warning function not working normally.B-154B-10
Central lockingCentral door locking system not working at all.C-154B-11g
Some doors not locking or unlocking.C-254B-11
Power windowPower windows not working at all.D-154B-12
Power windows are not operated with the power window main
switch.
Driver’s power window not responding to power window main
switch.D-254B-13
Windows not responding to passenger or rear power window
switches.D-354B-14
Passenger or rear power windows not responding to power window
main switch.D-454B-15
Power window timer function not working normally.D-554B-15
While the window is winding up, it suddenly starts coming down
again.D-654B-16
Safety mechanism (to prevent jamming of fingers, etc.) not
working.D-754B-16
Windshield wipers
dh
The windshield wipers do not work at all.E-154B-17p
and washerThe windshield wipers only operate at LO speed (though the wipers
and washer can be switched OFF).E-254B-17
The windshield wipers do not respond to any switch position.E-354B-18
The windshield wipers do not stop in the normal predetermined
position.E-454B-18
The windshield washer does not work at all.E-554B-19
Windshield wipers are not operated with the switch in INT,
WASHER and MIST positions, and operated in a low mode with the
switch in Lo and Hi positions.E-654B-19
Headlamps, tail lampsExcept for lighting switch“OFF,” the headlamps only respond to the
“low-beam” position.
F-154B-20
The tail lamps do not work.F-254B-20
The headlamps (low-beam) do not light.F-354B-21
The headlamps (high-beam) do not light.F-454B-21
The headlamps (low or high-beam) do not work when the passing
switch is ON.F-554B-22
The headlamp automatic cut-off function is not working normally.F-654B-22
Rear fog lampRear fog lamp is not properly illuminated.G-154B-23
Flasher timerThe turn signal lamps do not light.H-154B-24
The hazard warning lamps do not light up.H-254B-24
Room lampsThe room lamps do not come ON or OFF normally.I-154B-25

SWS -Troubleshooting54B-10
INSPECTION PROCEDURE FOR TROUBLE SYMPTOMS
Inspection Procedure A-1
No communication with MUT-II
Probable cause
Either the ETACS-ECU power supply circuit system or the harness or connector
between the diagnosis connector and ETACS-ECU may be defective.DHarness or connector fault
DETACS-ECU fault
NG
Check the harness between ETACS-ECU and the body earth,
and repair if necessary.
NG
Repair
NG
Repair
OK
Replace ETACS-ECU.
NG
Check the harness between ETACS-ECU and diagnosis
connector.NG
Repair
OK
Check the trouble
symptoms.
OK
Check the following connectors:
C - 228, C - 26, C - 22
C-228, C-28, C-22
OK
Check the trouble
symptoms.
NO
Measure at the ETACS-ECU connector C-228.
DDisconnect the connector and test on the junction box
side.
DContinuity between terminal 56 and body earth.
OK :Continuity confirmed.NGCheck the following connectors:C-228, C-08
YES
Is communication, by MUT-II, possible with other systems?YESCheck ETACS-ECU battery power circuit system (Refer to
P.54B-33, Inspection Procedure K-1).
Is communication by MUT-II possible when the ignition switch
is ON?NOCheck the MUT-II diagnosis circuit, and repair if necessary.
NOTE:
When failure is detected on the harness between ETACS-ECU and the body earth, check No. 3 terminal
(C-226) of ETACS-ECU as well. Repair, if required.
Inspection Procedure B-1
Lights left ON reminder warning function not working
normally.
Probable cause
The ETACS-ECU controls the headlamp automatic cut-off function based on input
signals from the following switches.
DIgnition switch (IG1)
DDriver’s door switch
DTail lamp switch
DHeadlamp switchDDriver’s door switch fault
DColumn switch fault
DETACS-ECU fault
DHarness or connector fault
OK
Replace ETACS-ECU.
YES
Check the MUT-II input signals.
DIgnition switch (IG1)
DDriver’s door switch
DTail lamp switch
DHeadlamp switchNGCheck the defective input circuit. (Refer to P.54B-7, Defects
Found by Input Signal Check).
Do all of the following functions operate when the ignition
switch is in the LOCK (OFF) position?
DCentral locking
DHazard lampsNOCheck ETACS-ECU battery power circuit system (Refer to
P.54B-33, Inspection Procedure K-1).

SWS -Troubleshooting54B-11
Inspection Procedure C-1
Central door locking system not working at all.
Probable cause
A change in the input signal from the driver’s door lock actuator activates all the
door lock actuators, causing the ETACS-ECU to lock or unlock all the doors.
If the central locking is not working normally, the driver’s door lock actuator or
the ETACS-ECU may be defective.DDriver’s door lock actuator fault
DETACS-ECU fault
DHarness or connector fault
NG
Repair
OK
Replace ETACS-ECU.
NG
Check the harness between ETACS-ECU and battery.NG
Repair
OK
Check the trouble
symptoms.
OK
Check the following connectors:C-226, C-211, C-35, C-132
YES
Check the driver’s door lock actuator (Refer to GROUP 42 -
Doors).NG
Repair
Do all of the following functions operate when the ignition
switch is in the LOCK (OFF) position?
DLights left ON reminder warning function
DHazard warning lamps
DRoom lampsNOCheck ETACS-ECU battery power circuit system (Refer to
P.54B-33, Inspection Procedure K-1). OK
Check the MUT-II input signals.
DDriver’s door lock actuatorNGCheck the driver’s door lock actuator input circuit system
(Refer to P.54B-30, Inspection Procedure J-6).
Inspection Procedure C-2
Some doors not locking or unlocking.
Probable cause
The door lock actuator of the door(s) that are not responding may be defective.DDoor lock actuator fault
DHarness or connector fault
NG
Check the harness between ETACS-ECU and the door lock
actuator of the door(s) not responding, and repair if necessary.
OK
Check the trouble symptoms.
OK
Check the following connectors:

C-227, C-110, C-213, C-226, E-08
C-226, C-213, C-24, E-18
C-226, C-216, D-12, E-12
C-226, C-213, C-112, D-02, E-23

C-227, C-24, C-28, C-213, C-226, E-08
C-226, C-213, C-110, C-28, E-18
C-226, C-213, C-28, C-133, D-12, E-12
C-226, C-216, D-02, E-23NG
Repair
Check the driver’s door lock actuator that are not responding
(Refer to GROUP 42 - Doors).NG
Replace

SWS -TroubleshootingSWS -Troubleshooting54B-24
Inspection Procedure H-1
The turn signal lamp do not light.
Probable cause
The ETACS-ECU controls the turn signal lamps based on input signals from the
following switches.
DIgnition switch (IG1)
DTurn signal lamp left-hand switch
DTurn signal lamp right-hand switch
If none of the turn signal lamps are operating normally, either one of the above
input circuit systems or the ETACS-ECU may be defective.DColumn switch fault
DETACS-ECU fault
DHarness or connector fault
NG
Check the defective
input circuit. (Refer to
P.54B-8, Defects Found
by Input Signal Check).
OK
Replace ETACS-ECU.
NG
Repair
NG
Check the harness between the ETACS-ECU and the battery,
and repair if necessary.Replace ETACS-ECU.
OK
OK
Check the trouble
symptoms.
NO
Measure at ETACS-ECU connector C-226.
DDisconnect the connector and test on the junction box
side.
DVoltage between terminal 11 and the body earth.
OK :System voltageNGCheck the following connectors:C-226, C-209, C-135
Are the hazard warning lamps lighting up normally?YESCheck the MUT-II input signals.
DIgnition switch (IG1)
DTurn signal lamp left-hand switch
DTurn signal lamp right-hand switch
NOTE
If only one of the turn signal lamps is not lighting, check the bulb and the harness between the ETACS-ECU
and the lamp, and between the lamp and the body earth.
Inspection Procedure H-2
The hazard warning lamps do not light up.
Probable cause
The ETACS-ECU controls the hazard warning lamps based on input signals from
the hazard warning lamp switch.
If the hazard warning lamps are not operating normally, either the hazard
warning lamp switch input circuit system or the ETACS-ECU may be defective.DHazard warning lamp switch fault
DETACS-ECU fault
DHarness or connector fault
OK
Replace ETACS-ECU.
OK
Check the MUT-II input signals.
DHazard lamp switchNGCheck the hazard lamp switch input circuit (Refer to P.54B-27,
Inspection Procedure J-3).
YES
Do all of the following functions operate when the ignition
switch is in the LOCK (OFF) position?
DLights left ON reminder warning function
DCentral lockingNGCheck ETACS-ECU battery power circuit system (Refer to
P.54B-33, Inspection Procedure K-1).
Are the turn signal lamps operating normally?NOCheck the turn signal lamps (Refer to P.54B-24, Inspection
Procedure H-1).

SWS -Troubleshooting54B-26
Inspection Procedure J-1
No ignition switch (ACC) signal input to ETACS-ECU.
Probable cause
As the ignition switch (ACC) input signal is used to control the operation of the
following functions, any abnormality in this signal prevents these functions
operating normally.
DWindshield wiper and washerDETACS-ECU fault
DHarness or connector fault
NG
Repair
NG
Check the harness between the ETACS-ECU and the ignition
switch (ACC), and repair if necessary.
OK
Replace ETACS-ECU.
OK
Check the trouble
symptoms.
Measure at ETACS-ECU connector C-226.
DDisconnect the connector and test on the junction box
side.
DIgnition switch: ACC
DVoltage between terminal 18 and body earth.
OK :System voltageNGCheck the following connectors:C-226, C-210
Inspection Procedure J-2
No ignition switch (IG1) signal input to ETACS-ECU.
Probable cause
As the ignition switch (IG1) input signal is used to control the operation of the
following functions, any abnormality in this signal prevents these functions
operating normally.
DLights left ON reminder warning function
DPower window timer function
DHeadlamp automatic cut-off function
DTurn signal lamps
DRoom lampsDETACS-ECU fault
DHarness or connector fault
NG
Repair
NG
Check the harness between ETACS-ECU and the ignition
switch (IG1), and repair if necessary.
OK
Replace ETACS-ECU.
OK
Check the trouble
symptoms.
Measure at ETACS-ECU connector C-226.
DDisconnect the connector and test on the junction box
side.
DIgnition switch: ON
DVoltage between terminal 8 and body earth.
OK :System voltageNGCheck the following connectors:C-226, C-210

SWS -Troubleshooting54B-29
Inspection Procedure J-5
No driver’s door switch signal input to ETACS-ECU.
Probable cause
No door switch signals input to ETACS-ECU.
Driver’s door switch
As the driver’s door switch input signal is used to control the operation of the
following functions, any abnormality in this signal prevents these functions
operating normally.
DLights left ON reminder warning function
DPower window timer function
DHeadlamp automatic cut-off function
DRoom lamps
Door switches
As the door switch input signals are used to control the operation of the
following functions, any abnormality in these signals prevents the functions
operating normally.
DRoom lampsDDoor switch fault
DETACS-ECU fault
DHarness or connector fault
OK
Replace ETACS-ECU.
NG
Check the harness between the door switches and
ETACS-ECU.NG
Repair
OK
Check the trouble symptoms.
OK
Check the following connectors:
D-13, C-133, C-213, C-226
D-01, C-217, C-226
D-08, C-133, C-213, C-226
D-06, C-217, C-226NG
Repair
OK
Check the connection of the door switches to the body.NG
Repair
Check door switches (Refer to GROUP 42 - Doors).NG
Replace