Mitsubishi Space Star. Manual — part 19
GDI –
General/General Information
13A-3
GENERAL
OUTLINE OF CHANGES
Due to the changes shown below, the service procedures regarding the different description from the
previous version have been established.
On-board Diagnostics System has been adopted to expand the diagnostic items and to change diagnosis
code numbering system.
Fuel pressure regulator (high-pressure) incorporate fuel pump (high-pressure) has been adopted.
An oxygen sensor (rear) has been added.
A ignition failure sensor has been added.
Lead cables of the crank angle sensor have been contained in the timing belt cover.
An accelerator pedal position sensor attached to the accelerator pedal has been adopted.
An engine-ECU has been changed.(Change of terminal layout) <Vehicles with M/T>
An engine-A/T-ECU has been adopted. <Vehicles with A/T>
GENERAL INFORMATION
SELF-DIAGNOSIS FUNCTION
Following functions have been added.
The engine-ECU records the engine operating condition when the diagnosis code is set.
This data is called “freeze frame” data.
This data can be read by using the MUT-
II
, are can then be used in simulation tests for troubleshooting.
GENERAL SPECIFICATIONS
Items
Specifications
Engine-ECU <M/T>
Identification No.
E2T72675
Engine-A/T-ECU <A/T>
Identification No.
E2T77572
GDI –
General Information
13A-4
GASOLINE DIRECT INJECTION SYSTEM DIAGRAM
Engine-ECU<M/T>
Engine-A/T-ECU
<A/T>
1 Oxygen sensor
(front)
2 Oxygen sensor
(rear)
3 Air flow sensor
4 Intake air tempera-
ture sensor
5 Throttle position
sensor (2nd chan-
nel)
6 Camshaft position
sensor
7 Crank angle sensor
8 Barometric pres-
sure sensor
9 Engine coolant tem-
perature sensor
10 Detonation sensor
11 Fuel pressure sen-
sor
1 Injector driver
(injector)
2 EGR valve
(stepper motor)
3 Purge control
solenoid valve
Power supply
Ignition switch-IG
Ignition switch-ST
Accelerator pedal position
sensor (1st channel)
Accelerator pedal position
switch
Vehicle speed sensor
A/C switch 1
A/C switch 2
M/T oil temperature
sensor <M/T>
Inhibitor switch <A/T>
Power steering fluid
pressure switch
Alternator FR signal
Stop lamp switch
Small lamp switch
Clutch switch <M/T>
Brake vacuum sensor
Injector open circuit check
signal
Throttle valve controller
Engine control relay
Fuel pump relay
Injector driver relay
Throttle control
servo relay
A/C relay
Ignition coil
Fan controller
Engine warning
lamp
GDI ECO indicator
lamp
Diagnosis output
Alternator G termi-
nal
Throttle valve
controller
Oxygen sensor
heater
Engine-
ECU
<M/T> or
engine-
A/T-ECU
<A/T>
Power supply
Ignition switch-IG
Accelerator pedal position
sensor (2nd channel)
Engine-ECU <M/T>
Engine-A/T-ECU <A/T>
Throttle
valve
controller
4 Throttle valve
control servo
12 Throttle position
sensor (1st channel)
Fuel pump
(high-pressure)
To fuel tank
6 Camshaft
position sensor
2 Oxygen sensor (rear)
9 Engine coolant temperature sensor
1 Injector
driver
3 Purge control
solenoid valve
4 Intake air temperature sensor
8 Barometric pressure
sensor
3 Air flow sensor
Injector
Canister
From fuel pump
(low-pressure)
5 Throttle position sensor (2nd channel)
12 Throttle position sensor (1st channel)
4 Throttle control servo
7 Crank angle sensor
2 EGR valve
1 Oxygen sensor (front)
11 Fuel pressure sensor
10 Detonation sensor
GDI –
Service Specifications
13A-5
SERVICE SPECIFICATIONS
Items
Standard value
Adjustment voltage of accelerator pedal position sensor
(1st and 2nd channel) V
0.985 – 1.085
Resistance of accelerator pedal position sensor
(1st and 2nd channel) k
Ω
3.5 – 6.5
Fuel pressure
High-pressure side MPa
4 – 6.9
Low-pressure side kPa
Approximately 329
Oxygen sensor output voltage (during revving) V
0.6 – 1.0
Oxygen sensor heater resistance (at 20
C)
Ω
Front
4.5 – 8.0
Rear
11 – 18
GDI –
Troubleshooting
13A-6
TROUBLESHOOTING
DIAGNOSIS FUNCTION
ENGINE WARNING LAMP (CHECK ENGINE LAMP)
If an abnormality occurs in any of the following items related
to the GDI system, the engine warning lamp will illuminate
or flash. If the lamp remains illuminated or if the lamp illuminates
while the engine is running, check the diagnosis code output.
However, the warning lamp will illuminate as bulb check for
five seconds whenever the ignition switch is turned to the
ON position.
Engine warning lamp inspection items
Code No.
Diagnosis item
–
Engine-ECU <M/T> or engine-A/T-ECU <A/T>
P0100
Air flow sensor system
P0105
Barometric pressure sensor system
P0110
Intake air temperature sensor system
P0115
Engine coolant temperature sensor system
P0120
Throttle position sensor (1st channel) system
P0125
Feedback system
P0130
Oxygen sensor (front) system <sensor 1>
P0135
Oxygen sensor heater (front) system <sensor 1>
P0136
Oxygen sensor (rear) system <sensor 2>
P0141
Oxygen sensor heater (rear) system <sensor 2>
P0170
Abnormal fuel system
P0190
Abnormal fuel pressure
P0201
No. 1 injector system
P0202
No. 2 injector system
P0203
No. 3 injector system
P0204
No. 4 injector system
P0220
Accelerator pedal position sensor (1st channel) system
P0225
Throttle position sensor (2nd channel) system
P0300
Ignition coil (power transistor) system
P0301
No. 1 cylinder misfire detected
P0302
No. 2 cylinder misfire detected
P0303
No. 3 cylinder misfire detected
P0304
No. 4 cylinder misfire detected
Engine warning lamp
(check engine lamp)
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