Mitsubishi Eclipse. Manual — part 789
AUTOMATIC TRANSAXLE DIAGNOSIS
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AUTOMATIC TRANSAXLE
23A-165
STEP 5. Using scan tool MB991958, check data list item 61:
Transmission Range Switch.
CAUTION
To prevent damage to scan tool MB991958, always turn the
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
(1) Connect scan tool MB991958 to the data link connector.
(2) Turn the ignition switch to "ON" position.
(3) Set scan tool MB991958 to data reading mode for item 61:
Transmission Range Switch.
• Move the selector lever to "P," "R," "N," "D," "3," "2," "L"
and sport mode positions and confirm that the selected
selector lever positions match the positions shown on
the scan tool MB991958. (Vehicles with sport mode is
indicated as "D" on the scan tool).
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the switch operating properly?
YES : It can be assumed that this malfunction is
intermittent. Refer to GROUP 00, How to Use
Troubleshooting/Inspection Service Points
− How to
Cope with Intermittent Malfunction
.
NO : Replace the PCM.
AC303127
AB
MB991911
16-PIN
MB991827
MB991824
AUTOMATIC TRANSAXLE DIAGNOSIS
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AUTOMATIC TRANSAXLE
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STEP 6. Check the transmission range switch.
Measure the resistance between the terminals for each selec-
tor position as indicated in the table below.
NOTE: For vehicles with sport mode, four positions (P, R, N, D)
are used.
Q: Does the resistance measure less than 2 ohms for each
selector position?
YES : Go to Step 7.
NO : Replace the transmission range switch. Refer to
GROUP 23B, Transaxle
STEP 7. Check transmission range switch connector B-41
for loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Q: Are the connector and terminals in good condition?
YES : Go to Step 8.
NO : Repair or replace the damaged components. Refer to
GROUP 00E, Harness Connector Inspection
SELECTOR
POSITION
TERMINAL
CONNECTION OF
TESTER
SPECIFIED
CONDITION
P
3
− 8, 9 − 10
Less than 2 ohms.
R
7
− 8
N
4
− 8, 9 − 10
D
1
− 8
3
5
− 8
2
2
− 8
L
6
− 8
AC004672
DIPSTICK
TRANSMISSION
RANGE SWITCH
AK
AC005865
P
R
N
D
3
2
L
AB
AC001844
CONNECTOR: B-41
DIPSTICK
AK
B-41
AUTOMATIC TRANSAXLE DIAGNOSIS
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AUTOMATIC TRANSAXLE
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STEP 8. Measure the transmission range switch output
voltage at 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) Turn the ignition switch to the "ON" position.
(3) Move the selector lever to the "P" position.
(4) Measure the voltage between terminal 101 and ground by
backprobing.
• The voltage should measure battery positive voltage.
(5) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Does the voltage measure battery positive voltage?
YES : Go to Step 13.
NO : Go to Step 9.
STEP 9. Check 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 connector and terminals in good condition?
YES : Go to Step 10.
NO : Repair or replace the damaged components. Refer to
GROUP 00E, Harness Connector Inspection
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>
AC001903AO
C-61 <2.4L ENGINE> OR
C-63 <3.0L ENGINE>
HARNESS CONNECTOR:
HARNESS 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>
AUTOMATIC TRANSAXLE DIAGNOSIS
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AUTOMATIC TRANSAXLE
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STEP 10. Check harness for open circuit or short circuit to
ground between transmission range switch connector
B-41 terminal 3 and PCM connector C-61 <2.4L Engine> or
C-63 <3.0L Engine> terminal 101.
Q: Is the harness wire in good condition?
YES <Vehicles without sport mode> : Go to Step 5.
YES <Vehicles with sport mode> : Go to Step 11.
NO : Repair or replace the harness wire.
STEP 11. Check intermediate connector C-27 and
combination meter connector C-43 for loose, corroded or
damaged terminals, or terminals pushed back in the
connector. <Vehicles with sport mode>
Q: Are the connectors and terminals in good condition?
YES : Go to Step 12.
NO : Repair or replace the damaged components. Refer to
GROUP 00E, Harness Connector Inspection
AC001844
CONNECTOR: B-41
DIPSTICK
AK
B-41
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>
AC001741
CONNECTOR: C-27
AR
C-27
AC001729AW
CONNECTOR: C-43
C-43
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