Mitsubishi Space Star. Manual — part 82
DIESEL FUEL –
Troubleshooting
DIESEL FUEL –
Troubleshooting
13D-27
Code No. 34 Glow plug system
Probable cause
Malfunction of the glow plug
Improper connector contact, open circuit or
short-circuited harness wire of the glow plug
circuit
Malfunction of the engine-ECU
Check the following connectors: A-105, A-106, A-111,
A-123, A-124
OK
Check trouble symptom.
Check the harness wire between the glow plug and the
engine-ECU.
OK
Repair
NG
Repair
NG
Replace the engine-ECU.
NG
OK
Check the glow plug (Refer to GROUP 16 – Glow System.)
Replace
NG
NG
Check the harness wire between the glow relay box and the
glow plug.
Repair
Check trouble symptom.
Replace the glow relay box.
OK
Check the following connector: A-121
OK
Repair
NG
NG
*:
Refer to ’99 SPACE STAR Workshop Manual (Pub. No. CMXE99E1)
Code No. 35 Vehicle speed sensor system
Probable cause
Range of Check
Ignition switch: ON
or
During engine running
Set Conditions
Sensor output voltage corresponds to a speed of 250 km/h or more for 1
second
Malfunction of the vehicle speed sensor
Improper connector contact, open circuit or
short-circuited harness wire of the vehicle speed
sensor circuit
Malfunction of the engine-ECU
NO
Repair
NG
Check the following connectors: A-71, A-113, A-122
Does the speedometer operate normally.
Replace the engine-ECU.
YES
Check trouble symptom.
NG
Check the vehicle speed sensor circuit.
(Refer to GROUP 54 – Combination Meter.)
OK
Repair
NG
Check the harness wire between the vehicle speed sensor
and the engine-ECU.
OK
DIESEL FUEL –
Troubleshooting
13D-28
Code No. 36 Fuel pressure system
Probable cause
Malfunction of the high pressure pump
Malfunction of the injector
Seized fuel pressure regulator
Fuel leaking from high pressure fuel system
YES
MUT-
II
Self-Diagnosis code
Is diagnosis code No.21 or 28 output?
NO
Follow INSPECTION PROCEDURE FOR DIAGNOSIS CODES
MUT-
II
Data list
06 Fuel pressure sensor (Refer to P.13D-46.)
NG
MUT-
II
Actuator test
07 Fuel pressure regulator (Refer to P.13D-50.)
OK
OK
INTERMITTENT MALFUNCTIONS
Refer to GROUP 00 – Points to Note for Intermittent
Malfunctions*
NG
Check the fuel pressure regulator system (Refer to P.13D-24,
INSPECTION PROCEDURE FOR DIAGNOSIS CODE 28.)
Check the following items:
High pressure pump
Injector
Fuel leaking from high pressure fuel system
*:
Refer to ’99 SPACE STAR Workshop Manual (Pub. No. CMXE99E1)
DIESEL FUEL –
Troubleshooting
13D-29
Code No. 37 Throttle valve control solenoid system
Probable cause
Malfunction of the throttle valve control solenoid
Improper connector contact, open circuit or
short-circuited harness wire of the throttle valve
control solenoid circuit
Malfunction of the engine-ECU
NG
Check the following connector: A-109
NG
OK
Measure at the throttle valve control solenoid connector A-107.
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-107, A-109, A-120
OK
Check the throttle valve control solenoid (Refer to P.13D-54.)
OK
Check trouble symptom.
Repair
NG
Replace the engine-ECU.
OK
INTERMITTENT MALFUNCTIONS
Refer to GROUP 00 – Points to Note for Intermittent
Malfunctions*
MUT-
II
Actuator test
06 Throttle valve control solenoid (Refer to P.13D-50.)
Check the harness wire between the throttle valve control
solenoid and the main relay, and repair if necessary.
NG
Check trouble symptom.
NG
Repair
NG
OK
Replace
Check the harness wire between the throttle valve control
solenoid and engine-ECU.
OK
Repair
NG
*:
Refer to ’99 SPACE STAR Workshop Manual (Pub. No. CMXE99E1)
DIESEL FUEL –
Troubleshooting
13D-30
Code No. 38 Engine-ECU
Probable cause
Malfunction of the engine-ECU
Disconnect the battery terminals and reset the engine-ECU.
Check trouble symptom.
NG
Replace the engine-ECU.
Check the harness wire between the ignition switch and the
engine-ECU.
Check trouble symptom.
NG
Check the following connectors: B-18, A-121
Repair
NG
OK
OK
Repair
NG
Code No. 40 Additional heater relay system
Probable cause
Malfunction of the additional heater relay 1, 2
Improper connector contact, open circuit or
short-circuited harness wire of the additional
heater relay circuit
Malfunction of the engine-ECU
NG
OK
Check the following connectors: A-09X, A-13X, 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 additional heater relay
and the main relay, and repair if necessary.
INTERMITTENT MALFUNCTIONS
Refer to GROUP 00 – Points to Note for Intermittent
Malfunctions*
MUT-
II
Actuator test
10 Additional heater relay 1
11 Additional heater relay 2
(Refer to P.13D-50.)
Replace the engine-ECU.
NG
Check trouble symptom.
NG
Repair
NG
Measure at the additional heater relay 1, 2 connectors A-09X,
A-13X.
Disconnect the connector and measure at the harness
side.
Voltage between 5 and earth (Ignition switch: ON)
OK: System voltage
Check the harness wire between the additional heater relay
and engine-ECU.
OK
Repair
NG
*:
Refer to ’99 SPACE STAR Workshop Manual (Pub. No. CMXE99E1)
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст