Mitsubishi Space Star. Manual - part 83

DIESEL FUEL – 

Troubleshooting

DIESEL FUEL – 

Troubleshooting

13D-31

Code No. 41 Fan control relay (low) system

Probable cause



Malfunction of the fan control relay



Improper connector contact, open circuit or
short-circuited harness wire of the fan control
relay circuit



Malfunction of the engine-ECU

OK

Check the following connectors: A-05X, A-23, A-120

OK

NG

Check the following connector: A-23

OK

OK

Check trouble symptom.

Repair

NG

Check the harness wire between the fan control relay (low)
and the main relay, and repair if necessary.

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

MUT-

II

 Actuator test

13 Fan control relay (low) (Refer to P.13D-50.)

Replace the engine-ECU.

NG

Check trouble symptom.

NG

Repair

NG

Measure at the fan control relay (low) connector A-05X.



Disconnect the connector and measure at the harness
side.



Voltage between 3 and earth (Ignition switch: ON)
OK: System voltage

Check the harness wire between the fan control relay (low)
and the engine-ECU.

NG

OK

Repair

NG

*:

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

Code No. 42 Stop lamp switch system

Probable cause

Range of Check



Ignition switch: ON

Set Conditions



Outputs for stop lamp switches 1 and 2 are different



Malfunction of the stop lamp switch



Improper connector contact, open circuit or
short-circuited harness wire of the stop lamp
switch circuit



Malfunction of the engine-ECU

Repair

NG

NO

Check the stop lamp switch system.
(Refer to GROUP 35 – On-vehicle service.)

OK

NG

Does the stop lamp illuminate when the brake pedal is
depressed?

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

MUT-

II

 Data list

42 Stop lamp switch (Refer to P.13D-46.)

YES

Check the following connectors: B-19, B-61X, B-95, A-122

OK

Check trouble symptom.

Repair

NG

NG

Check the harness wire between the stop lamp switch and
the engine-ECU.

OK

Replace the engine-ECU.

*:

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

DIESEL FUEL – 

Troubleshooting

DIESEL FUEL – 

Troubleshooting

13D-32

Code No. 43 Clutch pedal switch system

Probable cause

Range of Check



Vehicle speed: 100 km/h or more

Set Conditions



Clutch pedal switch remains off for 1 second



Malfunction of the clutch pedal switch



Improper connector contact, open circuit or
short-circuited harness wire of the clutch pedal
switch circuit



Malfunction of the engine-ECU

(2) NG

Check the following connector: B-97

OK

Check the harness wire between the clutch pedal switch and
earth, and repair if necessary.

(1) NG

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

OK

Measure at the clutch pedal switch connector B-97.



Disconnect the connector and measure at the harness
side.

(1) Voltage between 4 and earth (Ignition switch: ON)

OK: System voltage

(2) Continuity between 1 and earth

OK: Continuity

OK

OK

Check trouble symptom.

Repair

NG

Check trouble symptom.

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

MUT-

II

 Data list

44 Clutch pedal switch (Refer to P.13D-46.)

OK

Check the clutch pedal switch.
(Refer to GROUP 21 – On-vehicle service.)

Replace

NG

NG

Check the harness wire between the clutch pedal switch and
engine-ECU.

NG

OK

Replace the engine-ECU.

Repair

NG

Replace the engine-ECU.

NG

Repair

NG

*:

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

Code No. 44 Power latch system

Probable cause



Malfunction of the engine-ECU

Disconnect the battery terminals and reset the engine-ECU.

NO

Check trouble symptom.

NG

Replace the engine-ECU.

DIESEL FUEL – 

Troubleshooting

13D-33

Code No. 45 Main relay system

Probable cause

Range of Check



Ignition switch: ON

Set Conditions



Power is not supplied

Range of Check



Ignition switch: OFF 

→

 ON

Set Conditions



Power latch time is short or long



Malfunction of the main relay



Improper connector contact, open circuit or
short-circuited harness wire of the main relay
circuit



Malfunction of the engine-ECU

NG

Check the following connectors: B-26, A-121

Check the main relay (Refer to P.13D-52.)

Replace the engine-ECU.

OK

Check trouble symptom.

NG

Check the harness wire between the battery and the main
relay, and repair if necessary.

OK

Repair

NG

Measure at the main relay connector B-26.



Disconnect the connector and measure at the harness
side.



Voltage between 1, 4 and earth
OK: System voltage

OK

NG

Replace

NG

Check the harness wire between the main relay and the
engine-ECU.

OK

Repair

NG

DIESEL FUEL – 

Troubleshooting

DIESEL FUEL – 

Troubleshooting

13D-34

Code No. 46 Power supply system

Probable cause

Range of Check



Ignition switch: ON

Set Conditions



Power supply voltage is 6.5 V or less, or 16.5 V or more



Malfunction of the engine-ECU

Check trouble symptom.

OK

Check trouble symptom.

Check the charging system
(Refer to GROUP 16 – Charging System.)

NG

Repair

NG

Replace the engine-ECU.

NG

OK

Check the battery (Refer to GROUP 54 – Battery.)

Replace

NG

Code No. 47 ECU alimentation

Probable cause



Malfunction of the engine-ECU

Disconnect the battery terminals and reset the engine-ECU.

Check trouble symptom.

NG

Replace the engine-ECU.