turn signal MITSUBISHI LANCER EVOLUTION 2007 Service User Guide

INDEX - In order of parts nameC-19
Wiring diagram
page Circuit diagram page Connector
No. Parts name
PPurge control solenoid valveB-23B-91,99B-11,15
RRadiator fan relayA-09XB-73,102,176,182B-6,8
Rear combination lamp (LH)F-16B-110,114,126,134,138,143,144,145B-38,39
Rear combination lamp (RH)F-09B-111,115,129,134,138,142,144,145B-38,39
Rear fog lamp relayC-219B-54,55,126,129B-23,29
Rear room lampD-05B-118,122B-30,32
Remote controlled mirror (LH)E-02B-192,193B-34,36
Remote controlled mirror (RH)E-13B-192,193B-34,36
Remote controlled mirror switchC-138B-192,193B-21,27
ResistorB-138B-89,97B-13,17
ResistorC-16B-174,180B-18,24
Roof antennaC-141B-196B-21,27
Roof wiring harness (RH) and J/B
combinationC-218B-54,55,118,119,122,123B-23,29
Room lampD-03B-118,122B-30,32
SSeat belt pretensioner (LH)D-28B-249,251B-31,33
Seat belt pretensioner (RH)D-26B-249,251B-31,33
Secondary air control solenoid valveB-142B-91,99B-13,17
Side turn signal lamp (LH)A-02B-134,138B-6,8
Side turn signal lamp (RH)A-01B-135,139B-6,8
Spare connector (for front fog lamp
relay)A-04XB-73,258B-6,8
Spare connector (for front fog lamp
switch)C-101B-258B-20,26
Spare connector (for front fog lamp)A-31B-258B-7,9
Spare connector (for radio)C-104B-196,197B-20,26
Spare connector speaker (LH)>E-04B-196B-34,36
Spare connector speaker (RH)>E-21B-196B-35,37
Spare connector (LH)>F-01B-197B-38,39
Spare connector (RH)>F-08B-197B-38,39
SRS-ECUC-21B-248,249,250,251B-18,24

GENERAL -How to Use Troubleshooting/Inspection Service Points00-8
WHEN USING THE WARNING LAMP
1. Use the special tool to earth No.1 terminal (diagnosis
control terminal) of the diagnosis connector.
2. Turn the ignition switch to “ON” position.
3. Read out a diagnosis code by observing how the warning
lamp flashes.
Applicable systems
System nameWarning lamp name
ACD, AYCACD mode indicator lamp
ABSABS warning lamp
Indication of diagnosis code by warning lamp
When the diagnosis code No.24 is outputWhen no diagnosis code is output*
On
Off
1.5 secs.0.5 sec.
0.5 sec.
Pause
time 3
secs.Tens
signalPlace
division
2 secs.Units
signal
On
Off
0.25 sec.
METHOD OF ERASING DIAGNOSIS CODES
WHEN USING THE MUT-II
Connect the MUT-IIto the diagnosis connector and erase the diagnosis code.
Caution
Turn the ignition switch to “LOCK”(OFF) position before connecting or disconnecting the MUT-II.
WHEN NOT USING THE MUT-II
1. Turn the ignition switch to “LOCK”(OFF) position.
2. After disconnecting the battery cable from the battery ( - ) terminal for 10 seconds or more, reconnect
the cable.
3. After the engine has warmed up, run it at idle for about 15 minutes.
MB991529

GENERAL -How to Use Troubleshooting/Inspection Service Points00-9
INPUT SIGNAL CHECK
WHEN USING THE MUT-II
1. Connect the MUT-IIto the diagnosis connector and erase
the diagnosis code.
Caution
Turn the ignition switch to “LOCK”(OFF) position
before connecting or disconnecting the MUT-II.
2. If the MUT-IIbuzzer sounds once when each switch is
operated (ON/OFF), the input signal for that switch circuit
system is normal.
WHEN USING A VOLTMETER
1. Use the special tool to connect the ETACS terminal
(terminal 9) and the earth terminals (terminals 4 and 5)
of the diagnosis connector to the voltage meter.
2. If the needle of the voltage meter flickers once when
each switch is operated (ON/OFF), the input signal for
that switch circuit system is normal.MUT-˜
MB991529

ENGINE -On-vehicle ServiceENGINE -On-vehicle Service11A-10
Standard value: 5_BTDC±3_
5. Run the engine at idle for 2 minutes.
6. Check the idle speed. Select item No. 22 and take a
reading of the idle speed.
Curb idle speed: 850±100 r/min
NOTE
The idle speed is controlled automatically by the idle speed
control (ISC) system.
7. If the idle speed is outside the standard value, check
the MPI components by referring to GROUP 13A -
Troubleshooting.
8. Remove the timing light.
9. Turn the ignition switch to the “LOCK” (OFF) position
and then remove the MUT-II.
IDLE MIXTURE CHECK
1. Before inspection, set the vehicle to the pre-inspection
condition.
2. Turn the ignition switch to the “LOCK” (OFF) position,
and then connect the MUT-IIto the diagnosis connector.
3. Set the timing light.
4. Check that the basic ignition timing is within the standard
value.
Standard value: 5_BTDC±3_
5. Run the engine at 2,500 r/min for 2 minutes.
6. Set the CO, HC tester.
7. Check the CO contents and the HC contents at idle.
Standard value
CO contents: 0.1% or less
HC contents: 100 ppm or less
8. If there is a deviation from the standard value, check the
following items:
DDiagnosis output
DClosed-loop control (When the closed-loop control
is normal, the output signal of the oxygen sensor
changes between 0 - 400 mV and 600 - 1,000 mV
at idle.)
DFuel pressure
DInjector
DIgnition coil, spark plug cable, spark plug
DEvaporative emission control system
DCompression pressure
NOTE
Replace the three way catalyst when the CO and HC
contents are not within the standard value, even though
the result of the inspection is normal on all items.
9. Remove the timing light.
MUT-II

MPI -General Information13A-3
GENERAL INFORMATION
The Multipoint Fuel Injection System consists
of sensors which detect the engine conditions,
the engine-ECU which controls the system
based on signals from these sensors, and
actuators which operate under the control of
the engine-ECU. The engine-ECU carries outactivities such as fuel injection control, idle
speed control and ignition timing control. In
addition, the engine-ECU is equipped with
several diagnosis modes which simplify
troubleshooting when a problem develops.
FUEL INJECTION CONTROL
The injector drive times and injector timing are
controlled so that the optimum air/fuel mixture
is supplied to the engine to correspond to the
continually-changing engine operation condi-
tions.
A single injector is mounted at the intake port
of each cylinder. Fuel is sent under pressure
from the fuel tank by the fuel pump, with the
pressure being regulated by the fuel pressure
regulator. The fuel thus regulated is distributed
to each of the injectors.
Fuel injection is normally carried out once for
each cylinder for every two rotations of the
crankshaft. The firing order is 1-3-4-2. This iscalled sequential fuel injection. The
engine-ECU provides a richer air/fuel mixture
by carrying out “open-loop” control when the
engine is cold or operating under high load
conditions in order to maintain engine
performance. In addition, when the engine is
warm or operating under normal conditions,
the engine-ECU controls the air/fuel mixture
by using the oxygen sensor signal to carry out
“closed-loop” control in order to obtain the
theoretical air/fuel mixture ratio that provides
the maximum cleaning performance from the
three way catalyst.
IDLE AIR CONTROL
The idle speed is kept at the optimum speed
by controlling the amount of air that bypasses
the throttle valve in accordance with changes
in idling conditions and engine load during
idling. The engine-ECU drives the idle speed
control motor to keep the engine running at
the pre-set idle target speed in accordance
with the engine coolant temperature and airconditioner load. In addition, when the air
conditioner switch is turned off and on while
the engine is idling, the idle speed control motor
operates to adjust the throttle valve bypass
air amount in accordance with the engine load
conditions in order to avoid fluctuations in the
engine speed.
IGNITION TIMING CONTROL
The power transistor located in the ignition
primary circuit turns ON and OFF to control
the primary current flow to the ignition coil. This
controls the ignition timing in order to provide
the optimum ignition timing with respect to theengine operating conditions. The ignition timing
is determined by the engine-ECU from the
engine speed, intake air volume, engine coolant
temperature and barometric pressure.
SELF-DIAGNOSIS FUNCTION
DWhen an abnormality is detected in one
of the sensors or actuators related to
emission control, the engine warning lamp
(check engine lamp) illuminates as a
warning to the driver.
DWhen an abnormality is detected in one
of the sensors or actuators, a diagnosis
code corresponding to the abnormality is
output.DThe RAM data inside the engine-ECU that
is related to the sensors and actuators can
be read by means of the MUT-II. In addition,
the actuators can be force-driven under
certain circumstances.

MPI -TroubleshootingMPI -Troubleshooting13A-11
CONFIRMING FREEZE FRAME DATA
When the engine-ECU detects a malfunction and stores a diagnosis code, it also stores a current status
of the engine. This function is called “Freeze frame” data. By analyzing this “Freeze frame” data with
MUT-II, an effective troubleshooting can be performed.
NOTE
If mulfunctions have been detected in multiple systems, engine-ECU stores one malfunction only, which
has been detected first.
Item No.Data itemUnit/StateItem No.Data itemUnit/State
21Engine coolant temperature
sensor_C81Learn value%
22Crank angle sensorr/min82Feedback%
24Vehicle speedkm/h87Engine load%
FAIL-SAFE FUNCTION REFERENCE TABLE
When the main sensor malfunctions are detected by the diagnosis function, the vehicle is controlled
by means of the pre-set control logic to maintain safe conditions for driving.
Malfunctioning itemControl contents during malfunction
Air flow sensor1. Uses the throttle position sensor signal and engine speed signal (crank angle sensor
signal) to take reading of the basic injector drive time and basic ignition timing from
the pre-set mapping.
2. Fixes the idle speed control servo in the appointed position so idle control is not
performed.
Intake air temperature
sensorControls as if the intake air temperature is 25_C.
Throttle position
sensorNo increase in fuel injection amount during acceleration due to the throttle position sensor
signal.
Engine coolant
temperature sensor1. Controls as if the engine coolant temperature is 80_C.
(Even after sensor signal is correctly recovered, continues until the ignition switch
is set to the “LOCK” (OFF) position.)
2. Rotates radiator fan and condenser fan at high speed.
Camshaft position
sensor1. Inject all fuel cylinders simultaneously. (However, when the No.1 cylinder top dead
centre is not detected at all after the ignition switch is turned to “ON” position.)
2. Shuts off fuel supply after 4 seconds have passed since a failure was detected.
(However, when the No.1 cylinder top dead centre is not detected at all after the
ignition switch is turned to “ON” position.)
Barometric pressure
sensorControls as if the barometric pressure is 101 kPa.
Detonation sensorSwitches the ignition timing from ignition timing for super petrol to ignition timing for standard
petrol.
Alternator FR terminalDoes not control the output of the alternator according to an electrical load. (works as a
normal alternator)

MPI -Troubleshooting13A-52
INSPECTION CHART FOR TROUBLE SYMPTOMS
Inspection
procedureCheck itemsReference page
1Communication between MUT-IIand entire system is not possible.13A-54
2Only communication between MUT-IIand engine-ECU is not possible.13A-55
3Engine warning lamp does not illuminate immediately after ignition switch is set to ON position.13A-56
4Engine warning lamp stays illuminated and does not turn OFF.13A-57
5Starting disabled (Starter does not rotate.)13A-58
6Starting disabled (Starter rotates but initial combustion does not occur.)13A-59
7Starting disabled (Initial combustion occurs but is incomplete.)13A-61
Improper starting (Starting time is long.)
8Unstable idling (Rough idling, hunting)13A-63
Inappropriate idling speed (High or low idling speed)
Engine stalls (Die out) during idling
9Engine stalls when starting travel. (Pass out)13A-66
10Engine stalls during deceleration13A-67
11Pulsation (Hesitation, sag)13A-68
Poor acceleration
Stumbling
Surging
12Shock during acceleration13A-70
13Shock during deceleration13A-71
14Knocking13A-72
15Deviation of ignition interval13A-73
16Run on (Dieseling)13A-74
17Abnormal odor, white smoke, black smoke, high CO or HC concentration when idling13A-75
18Battery dies13A-77
19Overheating13A-79
20Abnormal radiator fan motor rotation13A-80
21A/C ineffective13A-81
22Engine-ECU power supply, engine control relay, ignition switch-IG1 system13A-82
23Fuel pump system13A-85
24Radiator fan control relay system13A-87
25Condenser fan relay system13A-89
26A/C switch system13A-92
27A/C compressor relay system13A-93
28A/C load signal system13A-95
29Secondary air control solenoid valve system13A-96
30Intercooler water spray circuit system13A-97
31Intercooler water spray lamp system13A-99
32Ignition coil (integrated power transistor) system13A-100

MPI -Troubleshooting13A-64
OK
To the next page
OK
Measure at the C-39 engine-ECU connector.
DMeasure the engine-ECU terminal voltage.
DEngine: Idling
DA/C switch: ON (A/C compressor driven state)
DVoltage between terminal No .24 and earth
(A/C setting temperature: Minimum temperature)
(Air volume: Maximum)
OK:1 V or less
(A/C setting temperature: indoor temperature)
(Air volume: Minimum)
OK:System voltageNGCheck the Inspection Procedure 28: A/C load signal system.
(Refer to P.13A-95.)
NG
Replace the alternator.
OK
Check the trouble symptoms.OKIntermittent malfunction
(Refer to GROUP 00 - Points to Note
for Intermittent Malfunctions.) NG
OK
Check the harness between the
alternator and engine-ECU.
DCheck for disconnection,
short-circuit and damage of the
output cable.Repair
OK
Measure at the C-40 engine-ECU
connector.
DMeasure the engine-ECU terminal
voltage.
DEngine: Idling (after warm-up)
DRadiator fan: Stopped
DVoltage between terminal No. 33
and earth
OK:Voltage rises 0.2 to 3.5 V when
headlamp is turned OFF and
ON.
DVoltage between terminal No. 41
and earth
OK:Voltage drops whenheadlamp
is turned OFF and ON.NGCheck the following connectors:
C-40, B-21, B-03NG
Repair
OK
Check the harness between the
engine-ECU and earth joint.
DCheck for disconnection and
damage of the earth cable.
(2) NGCheck the following connector:
C-39NG
Repair
NG
Replace the engine-ECU.
OK
Check the trouble symptoms.OKIntermittent malfunction
(Refer to GROUP 00 - Points to Note
for Intermittent Malfunctions.) NG
OK
Check the harness between the
engine-ECU and battery.
DCheck for disconnection,
short-circuit and damage of the
power cable.Repair
OK
Measure at the C-115 and C-126
engine-ECU connectors.
DMeasure the engine-ECU terminal
voltage.
(1) Voltage between terminal No. 80
and earth
OK:System voltage
(2) Voltage between terminal No. 13
and earth
Voltage between terminal No. 26
and earth
(Ignition switch: ON)
OK:0.5 V or less(1) NGCheck the following connectors:
C-115, C-129, C-05, C-135NG
Repair
OK
MUT-IIData list
DNo. 59: Oxygen sensor (rear)
(Refer to P.13A-105.)NGCheck the Code No. P0136: Oxygen sensor (rear) system.
(Refer to P.13A-27.)
From the previous page

MPI -Troubleshooting13A-82
Inspection Procedure 22
Engine-ECU power supply, engine control relay, ignition
switch-IG1 system
Probable cause
When the ignition switch ON signal is input to the engine-ECU, the engine-ECU
turns the engine control relay ON.
This starts the supply of the battery voltage to the engine-ECU, sensor and
actuator.DIgnition switch malfunction
DEngine control relay malfunction
DEngine-ECU malfunction
OK
Check the engine control relay. (Refer to P.13A-132.)NGReplace the engine control relay.
OK
Check the following connector:B-11XNG
Check the battery. (Refer to GROUP 54 - Battery.)NGReplace the battery.
Repair
OK
OK
Measure at the B-11X engine control
relay connector.
DRemove the relay, and measure
at the connector side.
DVoltage between terminal No. 2
and earth
DVoltage between terminal No. 1
and earth
OK:System voltageNGCheck the following connector:A-13NG
OK
Check the harness between the
battery and engine control relay.
DCheck for disconnection and
short-circuit of the power cable.NGRepair
Repair
NGOK
Check and repair the following
connector:C-126Measure at the C-126 engine-ECU
connector.
DMeasure the engine-ECU terminal
voltage.
DIgnition switch: ON
DVoltage between terminal No. 12
and earth
DVoltage between terminal No. 25
and earth
OK:System voltage
To the next page

MPI -Troubleshooting13A-87
Inspection Procedure 24
Radiator fan control relay system
Probable cause
When the engine control relay turns ON, the radiator fan control relay turns ON
simultaneously, and power is supplied to the fan controller.
The radiator fan motor is driven when the fan motor drive signal is input to the
fan controller from the engine-ECU.DRadiator fan control relay malfunction
DFan controller malfunction
DRadiator fan motor malfunction
DEngine-ECU malfunction
OK
(1) NG
OK
DCheck the radiator fan control relay. (Refer to GROUP 14
- On-vehicle Service.)NGReplace the radiator fan control relay.
Check the following connector:A-09XNG
Repair
OK
OK
(2) NGCheck the following connectors:
C-136 , A-13
, C-108, B-11XNG
OK
Check and repair the harness
between the radiator fan control relay
and body earth.
DCheck for disconnection and
damage of the earth cable.
Repair
OK
Check the following connector:A-21
Check and repair the harness
between the radiator fan control relay
and engine control relay.
DCheck for disconnection and
short-circuit of the power cable.
(3) NGCheck and repair the harness
between the battery and radiator fan
control relay.
DCheck for disconnection and
short-circuit of the power cable.
Measure at the A-09X radiator fan
control relay connector.
DRemove the relay, and measure
at the connector side.
(1) Resistance between terminal No.
3 and earth
OK:2Ωor less
(2) Voltage between terminal No. 1
and earth
(Ignition switch: ON)
OK:System voltage
(3) Voltage between terminal No. 4
and earth
OK:System voltage
NG
Repair
OK
Measure at the A-21 fan controller
connector.
DDisconnect the connector to
measure at the harness side.
DIgnition switch: ON
DVoltage between terminal No. 3
and earth
OK:System voltage
To the next pageNG
OK
Check the harness between the
radiator fan control relay and fan
controller.
DCheck for disconnection and
short-circuit of the output cable.NG
Repair
OK
Check the following connectors:
C-136 , A-13
, C-108, B-11XNG
Repair
OK
OK
Check the harness between the
radiator fan control relay and engine
control relay.
DCheck for damage of the power
cable.NG
Repair
Check and repair the harness
between the radiator fan control relay
and body earth.
DCheck for damage of the earth
cable.