Mitsubishi Eclipse. Manual — part 259

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <2.4L>

13A-529

STEP 12. Check connectors C-28, C-90, D-16 at
intermediate connector and C-60 at ECM <M/T> or C-54 at
PCM <A/T> for damage.
Q: Are the connectors in good condition?

YES : Go to Step 13.
NO : Repair or replace it. Refer to GROUP 00E, Harness

Connector Inspection

P.00E-2

. Then go to Step 22.

AC001741 AJ

CONNECTOR: C-28

AC001991

CONNECTOR: C-90

CONNECTOR
BLOCK (LH)

AI

AC001787AD

CONNECTOR: D-16

AC001689

CONNECTOR: C-60 <M/T>, C-54 <A/T>

ECM <M/T>
OR
PCM <A/T>

AL

C-54
<A/T>

C-60
<M/T>

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <2.4L>

13A-530

STEP 13. Check the harness wire between ECM connector
C-60 terminal 92 <M/T> or PCM connector C-54 terminal 57
<A/T> and intermediate connector D-16 terminal 6 for
damage.
Q: Is the harness wire in good condition?

YES : Go to Step 14.
NO : Repair it. Then go to 22.

STEP 14. Check the ground voltage at ECM connector C-60
<M/T> or PCM connector C-54 <A/T> by backprobing.
(1) Do not disconnect ECM connector C-60 <M/T> or PCM

connector C-54 <A/T>.

(2) Turn the ignition switch to the "ON" position.
(3) Measure the voltage between terminal 92 <M/T> or terminal

57 <A/T> and ground by backprobing.

• The voltage should be 0.5 volt or less.

(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the voltage normal?

YES : Go to Step 18.
NO : Go to Step 21.

AC001689

CONNECTOR: C-60 <M/T>, C-54 <A/T>

ECM <M/T>
OR
PCM <A/T>

AL

C-54
<A/T>

C-60
<M/T>

AC001787AD

CONNECTOR: D-16

AC002554 AC

<M/T> C-60

<A/T> C-54

HARNESS SIDE
CONNECTOR

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <2.4L>

13A-531

STEP 15. Check connectors D-16 at intermediate
connector and D-18 at fuel tank differential pressure
sensor for damage.
Q: Are the connectors in good condition?

YES : Go to Step 16.
NO : Repair or replace it. Refer to GROUP 00E, Harness

Connector Inspection

P.00E-2

. Then go to Step 22.

STEP 16. Check the harness wire between intermediate
connector D-16 terminal 8 and fuel tank differential
pressure sensor connector D-18 terminal 3 for damage.
Q: Is the harness wire in good condition?

YES : Go to Step 17.
NO : Repair it. Then go to 22.

AC001787AD

CONNECTOR: D-16

AC103356

FUEL TANK

AD

CONNECTOR: D-18
FUEL TANK DIFFERENTIAL
PRESSURE SENSOR

AC001787AD

CONNECTOR: D-16

AC103356

FUEL TANK

AD

CONNECTOR: D-18
FUEL TANK DIFFERENTIAL
PRESSURE SENSOR

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <2.4L>

13A-532

STEP 17. Check the harness wire between intermediate
connector D-16 terminal 6 and fuel tank differential
pressure sensor connector D-18 terminal 2 for damage.
Q: Is the harness wire in good condition?

YES : Replace the fuel tank differential pressure sensor.

Then go to 22.

NO : Repair it. Then go to 22.

STEP 18. Check the output circuit voltage at fuel tank
differential pressure sensor connector D-18.
(1) Remove the center exhaust pipe. (Refer to GROUP 15,

Exhaust Pipe, Main Muffler and Catalytic Converter

P.15-22

.)

(2) Remove the fuel band assembly, tilt the fuel tank.
(3) Disconnect fuel tank differential pressure sensor connector

D-18.

(4) Use special tool (MB991658) to connect terminals 1, 2 and

3 of the disconnected sensor connector and those of the
harness side connector respectively.

(5) Turn the ignition switch to the "ON" position.
(6) Remove the fuel cap.
(7) Measure the voltage between terminal 1 and ground.

• Voltage should be between 2.0 and 3.0 volts.

(8) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the voltage normal?

YES : Remove the special tool and connect fuel tank

differential pressure sensor connector D-18. Then go
to Step 19.

NO : Replace the fuel tank differential pressure sensor.

Then go to 22.

AC001787AD

CONNECTOR: D-16

AC103356

FUEL TANK

AD

CONNECTOR: D-18
FUEL TANK DIFFERENTIAL
PRESSURE SENSOR

AC002081AB

MB991658

FUEL TANK DIFFERENTIAL
PRESSURE SENSOR

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Политика конфиденциальности