Mitsubishi Eclipse. Manual — part 535
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-683
STEP 9. Check connectors C-28, C-90, D-16 at intermediate
connector for damage.
Q: Are the connectors in good condition?
YES : Go to Step 10.
NO : Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
AC001741 AJ
CONNECTOR: C-28
AC001991
CONNECTOR: C-90
CONNECTOR
BLOCK (LH)
AI
AC001787AD
CONNECTOR: D-16
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-684
STEP 10. Check the harness wire between ECM connector
C-58 terminal 42 <M/T> or PCM connector C-55 terminal 46
<A/T> and intermediate connector D-16 terminal 8 for
damage.
Q: Is the harness wire in good condition?
YES : Go to Step 22.
NO : Repair it. Then go to 22.
STEP 11. Check the circuit voltage at intermediate
connector D-16.
(1) Use special tools (MB991658 and MB991709) to connect
terminals 5 and 8 between connectors of the intermediate
connector D-16 respectively.
(2) Turn the ignition switch to the "ON" position.
(3) Measure the voltage at the male side connector between
terminal 6 and ground.
• The voltage should be 0.5 volt or less.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
(5) Remove the special tools and connect intermediate
connector D-16.
Q: Is the voltage normal?
YES : Go to Step 12.
NO : Go to Step 15.
AC001689
CONNECTOR: C-58 <M/T>, C-55 <A/T>
ECM <M/T>
OR
PCM <A/T>
C-58
<M/T>
C-55
<A/T>
AO
AC001787AD
CONNECTOR: D-16
AC106525
AB
MB991709
MB991658
INTERMEDIATE
CONNECTOR D-16
INTERMEDIATE
CONNECTOR D-16
AC106528
1
2 3 4 5 6
7
8
9
10
AB
INTERMEDIATE
CONNECTOR D-16
MALE SIDE
CONNECTOR
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-685
STEP 12. Check connectors C-28, C-90, D-16 at
intermediate connector and C-58 at ECM <M/T> or C-55 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
AC001741 AJ
CONNECTOR: C-28
AC001991
CONNECTOR: C-90
CONNECTOR
BLOCK (LH)
AI
AC001787AD
CONNECTOR: D-16
AC001689
CONNECTOR: C-58 <M/T>, C-55 <A/T>
ECM <M/T>
OR
PCM <A/T>
C-58
<M/T>
C-55
<A/T>
AO
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-686
STEP 13. Check the harness wire between ECM connector
C-58 terminal 49 <M/T> or PCM connector C-55 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-58
<M/T> or PCM connector C-55 <A/T> by backprobing.
(1) Do not disconnect ECM connector C-58 <M/T> or PCM
connector C-55 <A/T>.
(2) Turn the ignition switch to the "ON" position.
(3) Measure the voltage between terminal 49 <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-58 <M/T>, C-55 <A/T>
ECM <M/T>
OR
PCM <A/T>
C-58
<M/T>
C-55
<A/T>
AO
AC001787AD
CONNECTOR: D-16
AC002085
HARNESS SIDE
CONNECTOR
<M/T> C-58
<A/T> C-55
AC
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