Mitsubishi Eclipse. Manual — part 779
AUTOMATIC TRANSAXLE DIAGNOSIS
TSB Revision
AUTOMATIC TRANSAXLE
23A-125
STEP 7. Check input shaft speed sensor connector B-42
and PCM connector C-61 <2.4L Engine> or C-63 <3.0L
Engine> for loose, corroded or damaged terminals, or
terminals pushed back in the connector.
Q: Are the connectors in good condition?
YES : Go to Step 8.
NO : Repair or replace the damaged components. Refer to
GROUP 00E, Harness Connector Inspection
STEP 8. Check the harness for open circuit or damage
between input shaft speed sensor connector B-42 terminal
2 and PCM connector C-61 <2.4L Engine> or C-63 <3.0L
Engine> terminal 103.
Q: Is the harness wire in good condition?
YES : Go to Step 19.
NO : Repair or replace the harness wire.
AC001835
CONNECTOR: B-42
AH
B-42
AC001657
CONNECTOR: C-61 <2.4L ENGINE> OR
C-63 <3.0L ENGINE>
PCM
BC
C-61 <2.4L ENGINE> OR C-63 <3.0L ENGINE>
AC001835
CONNECTOR: B-42
AH
B-42
AC001657
CONNECTOR: C-61 <2.4L ENGINE> OR
C-63 <3.0L ENGINE>
PCM
BC
C-61 <2.4L ENGINE> OR C-63 <3.0L ENGINE>
AUTOMATIC TRANSAXLE DIAGNOSIS
TSB Revision
AUTOMATIC TRANSAXLE
23A-126
STEP 9. Check input shaft speed sensor connector B-42
and PCM connector C-61 <2.4L Engine> or C-63 <3.0L
Engine> for loose, corroded or damaged terminals, or
terminals pushed back in the connector.
Q: Are the connectors and terminals in good condition?
YES : Go to Step 10.
NO : Repair or replace the damages components. Refer to
GROUP 00E, Harness Connector Inspection
STEP 10. Check the harness for short circuit to ground
between input shaft speed sensor connector B-42 terminal
2 and PCM connector C-61 <2.4L Engine> or C-63 <3.0L
Engine> terminal 103.
Q: Is the harness wire in good condition?
YES : Go to Step 11.
NO : Repair or replace the harness wire.
AC001835
CONNECTOR: B-42
AH
B-42
AC001657
CONNECTOR: C-61 <2.4L ENGINE> OR
C-63 <3.0L ENGINE>
PCM
BC
C-61 <2.4L ENGINE> OR C-63 <3.0L ENGINE>
AC001657
CONNECTOR: C-61 <2.4L ENGINE> OR
C-63 <3.0L ENGINE>
PCM
BC
C-61 <2.4L ENGINE> OR C-63 <3.0L ENGINE>
AC001835
CONNECTOR: B-42
AH
B-42
AUTOMATIC TRANSAXLE DIAGNOSIS
TSB Revision
AUTOMATIC TRANSAXLE
23A-127
STEP 11. Measure the ground circuit for resistance at the
input shaft speed sensor connector B-42.
(1) Disconnect connector B-42 from the speed sensor and
measure at the harness side.
(2) Measure the resistance between terminal 1 and ground.
• The resistance should measure less than 2 ohms.
Q: Is the measured resistance less than 2 ohms?
YES : Go to Step 16.
NO : Go to Step 12.
STEP 12. Measure the resistance at the PCM connector
C-50 <2.4L Engine> or C-52 <3.0L Engine> by backprobing.
(1) Do not disconnect connector C-50 <2.4L Engine> or C-52
<3.0L Engine>.
(2) Turn the ignition switch to the "ON" position.
(3) Measure the resistance between terminal 16 and ground by
backprobing.
• The resistance should measure less than 2 ohms.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the measured resistance less than 2 ohms?
YES : Go to Step 13.
NO : Go to Step 15.
AC001835
CONNECTOR: B-42
AH
B-42
ACX02128AO
B-42 HARNESS
CONNECTOR:
COMPONENT SIDE
AC001657
CONNECTOR: C-50 <2.4L ENGINE> OR
C-52 <3.0L ENGINE>
PCM
BE
C-50 <2.4L ENGINE> OR
C-52 <3.0L ENGINE>
AC100047
1
9
24
2
10 11
25
3
12
26
4
13
27
5
19
32
6
20 21
33
7
22
34
8
23
35
14
28
15 16
29
17
30
18
31
AM
C-50 <2.4L ENGINE> OR
C-52 <3.0L ENGINE>
HARNESS CONNECTOR:
HARNESS SIDE
AUTOMATIC TRANSAXLE DIAGNOSIS
TSB Revision
AUTOMATIC TRANSAXLE
23A-128
STEP 13. Check input shaft speed sensor connector B-42
and PCM connector C-50 <2.4L Engine> or C-52 <3.0L
Engine> for loose, corroded or damaged terminals, or
terminals pushed back in the connector.
Q: Are the connectors and terminals in good condition?
YES : Go to Step 14.
NO : Repair or replace the damaged components. Refer to
GROUP 00E, Harness Connector Inspection
STEP 14. Check the harness for open circuit or damage
between input shaft speed sensor harness side connector
B-42 terminal 1 and PCM connector C-50 <2.4L Engine> or
C-52 <3.0L Engine> terminal 16.
Q: Is the harness wire in good condition?
YES : Go to Step 16.
NO : Repair or replace the harness wire.
AC001835
CONNECTOR: B-42
AH
B-42
AC001657
CONNECTOR: C-50 <2.4L ENGINE> OR
C-52 <3.0L ENGINE>
PCM
BE
C-50 <2.4L ENGINE> OR
C-52 <3.0L ENGINE>
AC001835
CONNECTOR: B-42
AH
B-42
AC001657
CONNECTOR: C-50 <2.4L ENGINE> OR
C-52 <3.0L ENGINE>
PCM
BE
C-50 <2.4L ENGINE> OR
C-52 <3.0L ENGINE>
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