Mitsubishi FUEL User Manual

MPI <4G6> -
Troubleshooting
13A-40
OK
To the next page
OK
Replace the engine-ECU <M/T> or en-
gine-A/T-ECU <A/T>.
NG
Repair
OK
Check the harness wire between the
idle speed control servo and the engine-
ECU <M/T> or engine-A/T-ECU <A/T>.
NG
Check the following connector:
C-34 <M/T>, C-177 <A/T>
NG
Repair
Measureatengine-ECUconnectorC-34
<M/T> or engine-A/T-ECU connector
C-177 <A/T>.
D
Use test harness (MB991709) to
connecttheconnector,andmeasure
at the pick-up harness side.
D
The voltage between terminal 4
<M/T> or 14 <A/T> and earth
D
The voltage between terminal 5
<M/T> or 15 <A/T> and earth
D
The voltage between terminal 17
<M/T> or 28 <A/T> and earth
D
The voltage between terminal 18
<M/T> or 29 <A/T> and earth
OK:
The voltage changes as fol-
lows for three seconds when
the ignition switch is turned
ON.
(When using a circuit tester)
5 V and 8 V alternates
(When using an analyzer)
1 V or less and systemvoltage
alternates
OK
OK
Check the harness wire between the
engine control relay and the idle speed
control servo, and repair if necessary.
OK
Measure at the idle control servo
connector B-10.
D
Disconnect the connector, and
measure at the harness side.
D
Ignition switch: ON
D
The voltage between terminal 2
and earth
D
The voltage between terminal 5
and earth
OK:
System voltage
NG
Check the following connectors:
C-49 <LHD>, C-31
OK
Check the following connector:
B-10
NG
Repair
OK
Check the idle speed control (ISC)
servo. (Refer to P.13C-95*.)
NG
Replace
OK
Check the throttle body (around the
throttle valve) for contamination.
NG
Clean around the throttle valve.
(Refer to P.13C-81*.)
No
MUT-
II
Self-Diag code
Is any diagnosis code other than No.
P0505 output?
Yes
RefertoP.13A-8,INSPECTION CHART
FOR DIAGNOSIS CODES.
Check intake air hose and intake
manifold for air intake.
NG
Repair
NOTE:
*: Refer to the ’97 GALANT Workshop Manual (Pub. No. PWDE9611)

Mitsubishi FUEL Specifications

General

Brand	Mitsubishi
Model	FUEL
Category	Automobile Accessories
Language	English