Mitsubishi Space Star. Manual — part 81
DIESEL FUEL –
Troubleshooting
13D-23
Code No. 27 Turbocharger waste gate solenoid system
Probable cause
Malfunction of the turbocharger waste gate
solenoid
Improper connector contact, open circuit or
short-circuited harness wire of the turbocharger
waste gate solenoid circuit
Malfunction of the engine-ECU
NG
NG
OK
Measure at the turbocharger waste gate solenoid connector A-108.
Disconnect the connector and measure at the harness
side.
Voltage between 1 and earth (Ignition switch: ON)
OK: System voltage
NG
Check the following connectors: A-108, A-121
OK
Check the turbocharger waste gate solenoid
(Refer to GROUP 15 – On-vehicle service.)
Replace the engine-ECU.
OK
INTERMITTENT MALFUNCTIONS
Refer to GROUP 00 – Points to Note for Intermittent
Malfunctions*
MUT-
II
Actuator test
05 Turbocharger waste gate solenoid (Refer to P.13D-50.)
Check the harness wire between the turbocharger waste gate
solenoid and the main relay, and repair if necessary.
Check trouble symptom.
NG
Repair
NG
OK
Replace
Check the harness wire between the turbocharger waste gate
solenoid and the engine-ECU.
OK
Repair
NG
*:
Refer to ’99 SPACE STAR Workshop Manual (Pub. No. CMXE99E1)
DIESEL FUEL –
Troubleshooting
13D-24
Code No. 28 Fuel pressure regulator system
Probable cause
Malfunction of the fuel pressure regulator
Improper connector contact, open circuit or
short-circuited harness wire of the fuel pressure
regulator circuit
Malfunction of the engine-ECU
NG
NG
OK
Measure at the fuel pressure regulator connector A-118.
Disconnect the connector and measure at the harness
side.
Voltage between 2 and earth (Ignition switch: ON)
OK: System voltage
NG
Check the following connectors: A-118, A-121
OK
Check the fuel pressure regulator (Refer to P.13D-54.)
Replace the engine-ECU.
OK
INTERMITTENT MALFUNCTIONS
Refer to GROUP 00 – Points to Note for Intermittent
Malfunctions*
MUT-
II
Actuator test
07 Fuel pressure regulator (Refer to P.13D-50.)
Check the harness wire between the fuel pressure regulator
and the main relay, and repair if necessary.
Check trouble symptom.
NG
Repair
NG
OK
Replace
Check the harness wire between the fuel pressure regulator
and the engine-ECU.
OK
Repair
NG
*:
Refer to ’99 SPACE STAR Workshop Manual (Pub. No. CMXE99E1)
DIESEL FUEL –
Troubleshooting
13D-25
Code No. 29 No.1 injector system
Probable cause
Malfunction of the No.1 injector
Improper connector contact, open circuit or
short-circuited harness wire of the No.1 injector
circuit
Malfunction of the engine-ECU
OK
NG
Check the following connectors: A-48, A-120
OK
INTERMITTENT MALFUNCTIONS
Refer to GROUP 00 – Points to Note for Intermittent
Malfunctions*
MUT-
II
Actuator test
01 No.1 injector (Refer to P.13D-50.)
Check trouble symptom.
Check the harness wire between the No.1 injector and the
engine-ECU.
OK
Repair
NG
Repair
NG
Replace the engine-ECU.
NG
OK
Check the No.1 injector (Refer to P.13D-53.)
Replace
NG
*:
Refer to ’99 SPACE STAR Workshop Manual (Pub. No. CMXE99E1)
Code No. 31 No.2 injector system
Probable cause
Malfunction of the No.2 injector
lmproper connector contact, open circuit or
short-circuited harness wire of the No.2 injector
circuit
Malfunction of the engine-ECU
OK
NG
Check the following connectors: A-49, A-120
OK
INTERMITTENT MALFUNCTIONS
Refer to GROUP 00 – Points to Note for Intermittent
Malfunctions*
MUT-
II
Actuator test
02 No.2 injector (Refer to P.13D-50.)
Check trouble symptom.
Check the harness wire between the No.2 injector and the
engine-ECU.
OK
Repair
NG
Repair
NG
Replace the engine-ECU.
NG
OK
Check the No.2 injector (Refer to P.13D-53.)
Replace
NG
*:
Refer to ’99 SPACE STAR Workshop Manual (Pub. No. CMXE99E1)
DIESEL FUEL –
Troubleshooting
DIESEL FUEL –
Troubleshooting
13D-26
Code No. 32 No.3 injector system
Probable cause
Malfunction of the No.3 injector
Improper connector contact, open circuit or
short-circuited harness wire of the No.3 injector
circuit
Malfunction of the engine-ECU
OK
NG
Check the following connectors: A-54, A-120
OK
INTERMITTENT MALFUNCTIONS
Refer to GROUP 00 – Points to Note for Intermittent
Malfunctions*
MUT-
II
Actuator test
03 No.3 injector (Refer to P.13D-50.)
Check trouble symptom.
Check the harness wire between the No.3 injector and the
engine-ECU.
OK
Repair
NG
Repair
NG
Replace the engine-ECU.
NG
OK
Check the No.3 injector (Refer to P.13D-53.)
Replace
NG
*:
Refer to ’99 SPACE STAR Workshop Manual (Pub. No. CMXE99E1)
Code No. 33 No.4 injector system
Probable cause
Malfunction of the No.4 injector
Improper connector contact, open circuit or
short-circuited harness wire of the No.4 injector
circuit
Malfunction of the engine-ECU
OK
NG
Check the following connectors: A-60, A-120
OK
INTERMITTENT MALFUNCTIONS
Refer to GROUP 00 – Points to Note for Intermittent
Malfunctions*
MUT-
II
Actuator test
04 No.4 injector (Refer to P.13D-50.)
Check trouble symptom.
Check the harness wire between the No.4 injector and the
engine-ECU.
OK
Repair
NG
Repair
NG
Replace the engine-ECU.
NG
OK
Check the No.4 injector (Refer to P.13D-53.)
Replace
NG
*:
Refer to ’99 SPACE STAR Workshop Manual (Pub. No. CMXE99E1)
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