Mitsubishi FUEL User Manual

MPI <4G6> -
Troubleshooting
MPI <4G6> -
Troubleshooting
13A-41
NG
Replace the engine-ECU <M/T> or
engine-A/T-ECU <A/T>.
OK
Check trouble symptoms.
OK
Intermittent malfunction
(Refer to GROUP 00 - Points to
Note for Intermittent Malfunctions.)
OK
Check the harness wires between
the engine control relay and the idle
speed control servo, and between
the idle speed control servo and the
engine-ECU <M/T> or
engine-A/T-ECU <A/T>.
NG
Repair
OK
Check the following connector:
C-34 <M/T>, C-177 <A/T>
NG
Repair
From the previous page
Code No. P0510 Idle Position Switch System Probable cause
Check Area
D
Throttle position sensor output voltage is 2.0 V or more.
Judgment Criteria
D
Idle position switch has been turned on.
Check Area
D
Repeat the *1 drive and *2 stop 15 times or more.
*1 drive: The vehicle remains under the following conditions for at least two
seconds; engine speed is 1,500 rpm or higher, air flow sensor output
waveform is 100 Hz or higher, and vehicle speed is more than 30 km/h for
two seconds.
*2 stop: The vehicle remains under the following conditions for at least two
seconds; engine speed is 800 rpm or lower, and vehicle speed is less than
1.5 km/h.
Judgment Criteria
D
Idle position switch remains off.
D
Malfunction of idle position switch
D
Open or shorted idle position switch circuit, or
loose connector.
D
Malfunction of engine-ECU <M/T>
D
Malfunction of engine-A/T-ECU <A/T>
Repair
NG
Replace the engine-ECU
<M/T> or engine-A/T-
ECU <A/T>.
OK
NG
Check the harness wire between engine-ECU <M/T> or
engine-A/T-ECU <A/T> and throttle position sensor connector.
OK
Check trouble symptom.
NG
Replace the engine-ECU <M/T> or engine-A/T-ECU <A/T>.
OK
Check trouble symptom.
Repair
NG
OK
Check the following
connector:
B-07
NG
Repair
NG
Check the following
connectors:
C-40
<M/T>, C-175 and
C-176 <A/T>, C-47
<LHD>, C-49 <RHD>
OK
Measure at the throttle position sensor connector B-07.
D
Disconnect the connector, and measure at the harness
side.
D
Voltage between 3 and ground (Ignition switch: ON)
OK:
4 V or higher
D
Continuity between 4 and ground
OK:
Continuity
OK
Check the following connector:
B-07
NG
Repair
OK
Transient malfunction (Refer to GROUP 00 - Points to Note
for Intermittent Malfunctions.)
NG
Check the idle position switch. (Refer to P.13A-91*.)
NG
Replace the throttle position sensor (TPS).
MUT-
II
Data list
26 Idle position switch
(Refer to P.13A-75, DATA LIST REFERENCE TABLE.)
NOTE:
*: Refer to the ’97 GALANT Workshop Manual (Pub. No. PWDE9611)

Mitsubishi FUEL Specifications

General

Brand	Mitsubishi
Model	FUEL
Category	Automobile Accessories
Language	English