Mitsubishi Space Star. Manual - part 77

 

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Mitsubishi Space Star. Manual - part 77

 

 

DIESEL FUEL – 

Troubleshooting

13D-7

INSPECTION CHART FOR DIAGNOSIS CODES

Caution
Check that the engine-ECU earth circuit is normal before checking for the cause of the problem.

Code No.

Diagnosis item

Reference page

11

Crank angle sensor system

13D-8

12

Camshaft position sensor system

13D-9

13

Accelerator pedal position sensor (1st channel) system

13D-10

14

Accelerator pedal position sensor (2nd channel) system

13D-11

15

Fuel pressure sensor system

13D-12

16

Boost sensor system

13D-13

17

Barometric pressure sensor system

13D-14

18

Air flow sensor system

13D-15

19

Engine coolant temperature sensor system

13D-16

21

Fuel temperature sensor system

13D-17

22

Intake air temperature sensor system

13D-18

23

EGR valve position sensor system

13D-19

24

Glow relay box system

13D-20

25

Immobilizer system

13D-21

26

EGR valve system

13D-22

27

Turbocharger waste gate solenoid system

13D-23

28

Fuel pressure regulator system

13D-24

29

No. 1 injector system

13D-25

31

No. 2 injector system

13D-25

32

No. 3 injector system

13D-26

33

No. 4 injector system

13D-26

34

Glow plug system

13D-27

35

Vehicle speed sensor system

13D-27

36

Fuel pressure system

13D-28

37

Throttle valve control solenoid system

13D-29

38

Engine-ECU

13D-30

40

Additional heater relay system

13D-30

41

Fan control relay (low) system

13D-31

42

Stop lamp switch system

13D-31

43

Clutch pedal switch system

13D-32

44

Power latch system

13D-32

45

Main relay system

13D-33

46

Power supply system

13D-34

47

ECU alimentation

13D-34

DIESEL FUEL – 

Troubleshooting

13D-8

INSPECTION PROCEDURE FOR DIAGNOSIS CODES

Code No. 11 Crank angle sensor system

Probable cause

Range of Check



During engine running

Set Conditions



Sensor output voltage does not change (no pulse signal input)

or



Sensor output value is 5,000 r/min or more for 1 second



Malfunction of the crank angle sensor



Improper connector contact, open circuit or
short-circuited harness wire of the crank angle
sensor circuit



Malfunction of the engine-ECU

OK

Replace the engine-ECU.

NG

NG

Replace

NG

NG

Repair

NG

NG

MUT-

II

 Data list

12 Crank angle sensor (Refer to P.13D-46.)

OK

INTERMITTENT MALFUNCTIONS
Refer to GROUP 00 – Points to Note for Intermittent Malfunctions*

NG

Check the crank angle sensor (Refer to P.13D-54.)

OK

Check the following connectors: A-114, A-121

NG

Repair

NG

NG

OK

Check the harness wire between the crank angle sensor and
the engine-ECU.

Check trouble symptom.

NG

*:

Refer to ’99 SPACE STAR Workshop Manual (Pub. No. CMXE99E1)

DIESEL FUEL – 

Troubleshooting

13D-9

Code No. 12 Camshaft position sensor system

Probable cause

Range of Check



During engine running

Set Conditions



Sensor output voltage does not change for 0.5 second (no pulse signal
input)

Range of Check



During engine running



Pulse signal detected two or more times

Set Conditions



Not synchronized with crank angle sensor output

or



Crank angle sensor output voltage does not change for 0.5 second (no
pulse signal input)



Malfunction of the camshaft position sensor



Improper connector contact, open circuit or
short-circuited harness wire of the camshaft
position sensor circuit



Malfunction of the engine-ECU

OK

Replace the engine-ECU.

Repair

OK

NG

Replace the engine-ECU.

Repair

NG

Check the harness wire between the camshaft position
sensor and the engine-ECU (sensor signal line).

NG

Check the harness wire between the camshaft position sensor
and the engine-ECU.

NG

OK

Check trouble symptom.

OK

Repair

NG

Check the following connector: A-104

Repair

OK

NG

Check trouble symptom.

(2) NG

Check the following connector: A-120

Check the harness wire between the camshaft position sensor
and the main relay, and repair if necessary.

(1) NG

Measure at the camshaft position sensor connector A-104.



Disconnect the connector and measure at the harness
side.

(1) Voltage between  and earth (Ignition switch: ON)

OK: System voltage

(2) Continuity between and earth

OK: Continuity

NG

Replace the camshaft position sensor.

Check trouble symptom.

DIESEL FUEL – 

Troubleshooting

13D-10

Code No. 13 Accelerator pedal position sensor (1st
channel) system

Probable cause

Range of Check



Ignition switch: ON

Set Conditions



Sensor output voltage is 200 mV or less

or



Sensor output voltage is 4,750 mV or more



Malfunction of the accelerator pedal position
sensor (1st channel)



Improper connector contact, open circuit or
short-circuited harness wire of the accelerator
pedal position sensor (1st channel) circuit



Malfunction of the engine-ECU

OK

Replace the engine-ECU.

NG

Repair

Check the harness wire between the accelerator pedal
position sensor and the engine-ECU (sensor signal line).

NG

OK

Check trouble symptom.

Repair

NG

OK

Check the following connectors: B-89, B-93, A-122

Replace the engine-ECU.

OK

Repair

NG

Check the harness wire between the accelerator pedal
position sensor and the engine-ECU.

NG

OK

Check trouble symptom.

Repair

NG

NG

Check the following connectors: B-89, A-122

Measure at the accelerator pedal position sensor connector B-93.



Disconnect the connector and measure at the harness
side.



Voltage between 3 and earth (Ignition switch: ON)
OK: 4.8  – 5.2 V



Continuity between 5 and earth
OK: Continuity

OK

Replace

NG

Check the accelerator pedal position sensor (1st channel)
(Refer to P.13D-52.)

NG

OK

MUT-

II

 Data list

09 Accelerator pedal position sensor (1st channel) 
(Refer to P.13D-46.)

INTERMITTENT MALFUNCTIONS
Refer to GROUP 00 – Points to Note for Intermittent
Malfunctions*

*:

Refer to ’99 SPACE STAR Workshop Manual (Pub. No. CMXE99E1)

 

 

 

 

 

 

 

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