Mitsubishi Eclipse. Manual — part 782
AUTOMATIC TRANSAXLE DIAGNOSIS
TSB Revision
AUTOMATIC TRANSAXLE
23A-137
STEP 3. Check intermediate connector C-28 and junction
block connector C-112 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 4.
NO : Repair or replace the damaged components. Refer to
GROUP 00E, Harness Connector Inspection
AC106611AB
CONNECTOR: C-28
C-28
AC106612AB
CONNECTOR: C-112
JUNCTION BLOCK
(FRONT VIEW)
C-112
AUTOMATIC TRANSAXLE DIAGNOSIS
TSB Revision
AUTOMATIC TRANSAXLE
23A-138
STEP 4. Check the harness for open circuit or short circuit
to ground between the output shaft speed sensor
connector B-38 terminal 3 and the junction block
connector C-112 terminal 12.
Q: Is the harness wire in good condition?
YES : Go to Step 5.
NO : Repair or replace the harness wire.
AC001837AI
CONNECTOR: B-38
B-38
AC106612AB
CONNECTOR: C-112
JUNCTION BLOCK
(FRONT VIEW)
C-112
AUTOMATIC TRANSAXLE DIAGNOSIS
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AUTOMATIC TRANSAXLE
23A-139
STEP 5. Measure the PCM to speed sensor output voltage
at the output shaft speed sensor connector B-38.
(1) Disconnect connector B-38 from the speed sensor and
measure voltage at the harness side.
(2) Turn the ignition switch to the "ON" position.
(3) Measure the voltage between terminal 2 and ground.
• The voltage should measure between 4.5 and 4.9 volts.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the measured voltage between 4.5 and 4.9 volts?
YES : Go to Step 11.
NO : Go to Step 6.
STEP 6. Measure the PCM output voltage to the speed
sensor at the PCM connector C-61 <2.4L Engine> or C-63
<3.0L Engine> by backprobing.
(1) Do not disconnect connector C-61 <2.4L Engine> or C-63
<3.0L Engine>.
(2) Disconnect connector B-38 at the output shaft speed
sensor.
(3) Turn the ignition switch to the "ON" position.
(4) Measure the voltage between PCM terminal 104 and
ground by backprobing.
• The voltage should measure between 4.5 and 4.9 volts.
(5) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the measured voltage between 4.5 and 4.9 volts?
YES : Go to Step 7.
NO : Go to Step 9.
AC001837AI
CONNECTOR: B-38
B-38
ACX02135AO
B-38 HARNESS
CONNECTOR:
COMPONENT SIDE
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>
AC001811AN
D-61 <2.4L ENGINE> OR
C-63 <3.0L ENGINE>
HARNESS CONNECTOR:
HARNESS SIDE
AUTOMATIC TRANSAXLE DIAGNOSIS
TSB Revision
AUTOMATIC TRANSAXLE
23A-140
STEP 7. Check output shaft speed sensor connector B-38
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 output shaft speed sensor connector B-38
terminal 2 and PCM connector C-61 <2.4L Engine> or C-63
<3.0L Engine> terminal 104.
Q: Is the harness wire in good condition?
YES : Go to Step 19.
NO : Repair or replace the harness wire.
AC001837AI
CONNECTOR: B-38
B-38
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>
AC001837AI
CONNECTOR: B-38
B-38
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>
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