Mitsubishi Eclipse. Manual — part 787
AUTOMATIC TRANSAXLE DIAGNOSIS
TSB Revision
AUTOMATIC TRANSAXLE
23A-157
AC001844
CONNECTOR: B-41
DIPSTICK
AK
B-41
AC001741
CONNECTOR: C-27
AR
C-27
AC106611AB
CONNECTOR: C-28
C-28
AC001729AX
CONNECTOR: C-41
C-41
AC001729AW
CONNECTOR: C-43
C-43
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-65
AS
C-65
AUTOMATIC TRANSAXLE DIAGNOSIS
TSB Revision
AUTOMATIC TRANSAXLE
23A-158
.
CIRCUIT OPERATION
• Battery positive voltage is applied to the transmis-
sion range switch (terminal 8) when the ignition
switch is turned "ON."
• Battery positive voltage is applied to the PCM
(terminal 101) when the selector lever is in the
"P" range. The PCM judges that the selector
lever is in the "P" range when the battery positive
voltage is applied.
• Battery positive voltage is applied to the PCM ter-
minal 108 (121, 102, 109, 122 or 110) when the
selector lever is in the "R" range ("N," "D," "3," "2"
or "L" range). The PCM judges that the selector
lever is in the "R" range ("N," "D," "3," "2" or "L"
range) when the battery positive voltage is
applied.
.
DESCRIPTIONS OF MONITOR METHODS
If no signal is input from transmission range switch
for more than 30 seconds, PCM judges that trans-
mission range switch has a failure.
.
MONITOR EXECUTION
Continuous
.
MONITOR EXECUTION CONDITIONS (Other
monitor and Sensor)
Other Monitor (There is no temporary DTC stored
in memory for the item monitored below)
• Not applicable
Sensor (The sensor below is determined to be
normal)
• Not applicable
.
AC106814AB
CONNECTORS: C-111, C-112
JUNCTION BLOCK
(FRONT VIEW)
C-111
C-112
C-111
C-112
AUTOMATIC TRANSAXLE DIAGNOSIS
TSB Revision
AUTOMATIC TRANSAXLE
23A-159
LOGIC FLOW CHARTS (Monitor Sequence)
.
DTC SET CONDITIONS (Entry Conditions and
Malfunction Thresholds)
Check Conditions, Judgement Criteria
• Transmission range switch: no signal detected.
(30 seconds)
.
OBD-II DRIVE CYCLE PATTERN
Start the engine, keep the vehicle stopped in "P," "R,"
"N," "D," "3," "2" and "L" ranges respectively for more
than one minute, and turn OFF the ignition switch.
Then restart the engine, and stop the vehicle in "P,"
"R," "N," "D," "3," "2" and "L" ranges respectively for
more than one minute.
.
TROUBLESHOOTING HINTS (The most likely
causes for this code to be set are:)
• Malfunction of the transmission range switch
• Malfunction of the ignition switch
• Damaged harness or connector
• Malfunction of the PCM
DIAGNOSIS
Required Special Tool:
• MB991958: Scan Tool (MUT-III Sub Assembly)
• MB991824: V.C.I.
AC205064
START
Is there no
input signal?
Yes
No
Continuous failure
for 30 secs.
Yes
Yes
Yes
No
No
No
Continuous failure
for 30 secs.
Is there more than
one input signal?
Malfunction
Good
Malfunction
END
AUTOMATIC TRANSAXLE DIAGNOSIS
TSB Revision
AUTOMATIC TRANSAXLE
23A-160
• MB991827: MUT-III USB Cable
• MB991911: MUT-III Main Harness B
STEP 1. 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: Does the scan tool indication correspond to the actual
transmission range?
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 (no correct transmission range is displayed) : Go to
Step 2.
NO (Only "P" position is not displayed correctly) : Go to
Step 6.
NO (Only "R" position is not displayed correctly) : Go to
Step 14.
NO (Only "N" position is not displayed correctly) : Go to
Step 21.
NO (Only "D" position is not displayed correctly) : Go to
Step 28.
NO (Only "3" position is not displayed correctly)
<Vehicles without sport mode> : Go to Step 36.
NO (Only "2" position is not displayed correctly)
<Vehicles without sport mode> : Go to Step 41.
NO (Only "L" position is not displayed correctly)
<Vehicles without sport mode> : Go to Step 46.
NO [Only sport mode position is not displayed correctly
("D" is not displayed.] <Vehicles with sport mode> : Go
to Step 51.
AC303127
AB
MB991911
16-PIN
MB991827
MB991824
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