Mitsubishi Eclipse. Manual — part 769
AUTOMATIC TRANSAXLE DIAGNOSIS
TSB Revision
AUTOMATIC TRANSAXLE
23A-85
STEP 10. 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 11.
NO : Repair or replace the damaged components. Refer to
GROUP 00E, Harness Connector Inspection
STEP 11. Check the harness for open circuit or short
circuit to ground between A/T control solenoid valve
connector B-40 terminal 1 and PCM connector C-61 <2.4L
Engine> or C-63 <3.0L Engine> terminal 124.
Q: Is the harness wire in good condition?
YES : Go to Step 6.
NO : Repair or replace the harness wire.
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>
ACX02479
CONNECTOR: B-40
AK
B-40
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-86
STEP 12. Measure the ground voltage at PCM connector
C-54 <2.4L Engine> or C-55 <3.0L Engine> by backprobing.
(1) Do not disconnect connector C-54 <2.4L Engine> or C-55
<3.0L Engine>.
(2) Turn the ignition switch to the "ON" position.
(3) Measure the voltage between terminal 57 and ground by
backprobing.
• Voltage should be 0.5 volt or less.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the measured voltage within the specified range?
YES : Go to Step 13.
NO : Go to Step 14.
STEP 13. Check the harness for open circuit or damage
between A/T control solenoid valve connector B-40
terminal 2 and PCM connector C-54 <2.4L Engine> or C-55
<3.0L Engine> terminal 57.
Q: Is the harness wire in good condition?
YES : Go to Step 6.
NO : Repair or replace the harness wire.
AC001657
CONNECTOR: C-54 <2.4L ENGINE> OR
C-55 <3.0L ENGINE>
PCM
BA
C-54 <2.4L ENGINE> OR C-55 <3.0L ENGINE>
AC001791AR
C-54 <2.4L ENGINE> OR
C-55 <3.0L ENGINE>
HARNESS CONNECTOR:
HARNESS SIDE
ACX02479
CONNECTOR: B-40
AK
B-40
AC001657
CONNECTOR: C-54 <2.4L ENGINE> OR
C-55 <3.0L ENGINE>
PCM
BA
C-54 <2.4L ENGINE> OR C-55 <3.0L ENGINE>
AUTOMATIC TRANSAXLE DIAGNOSIS
TSB Revision
AUTOMATIC TRANSAXLE
23A-87
STEP 14. Check PCM connector C-54 <2.4L Engine> or
C-55 <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 6.
NO : Repair or replace the damaged components. Refer to
GROUP 00E, Harness Connector Inspection
DTC 16 (P0712): Transmission Fluid Temperature Sensor System (Short Circuit)
.
Transmission Fluid Temperature Sensor System
Circuit
Refer to
.
.
CIRCUIT OPERATION
Refer to
.
.
DESCRIPTIONS OF MONITOR METHODS
If transmission fluid temperature equals or exceeds
specified value, PCM judges that transmission fluid
temperature sensor 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
.
AC001657
CONNECTOR: C-54 <2.4L ENGINE> OR
C-55 <3.0L ENGINE>
PCM
BA
C-54 <2.4L ENGINE> OR C-55 <3.0L ENGINE>
AUTOMATIC TRANSAXLE DIAGNOSIS
TSB Revision
AUTOMATIC TRANSAXLE
23A-88
LOGIC FLOW CHARTS (Monitor Sequence)
.
DTC SET CONDITIONS
Check Conditions, Judgement Criteria
• Transmission fluid temperature sensor voltage:
0.2 volt or less. (1 second)
.
OBD-II DRIVE CYCLE PATTERN
Start the engine, keep the vehicle stopped in P range
for 5 seconds, and turn OFF the ignition switch. Then
restart the engine, and keep the vehicle stopped in P
range for 5 seconds.
.
TROUBLESHOOTING HINTS (The most likely
causes for this code to be set are:)
• Malfunction of the transmission fluid temperature
sensor circuit
• Damaged harness or connector
• Malfunction of the PCM
DIAGNOSIS
Required Special Tool:
• MB991958: Scan Tool (MUT-III Sub Assembly)
• MB991824: V.C.I.
• MB991827: MUT-III USB Cable
• MB991911: MUT-III Main Harness B
AC205182
Transmission fluid
temperature sensor
voltage > 0.2 V
START
Good
Malfunction
END
Yes
No
Yes
No
Continuous failure
for 1 sec.
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