Mitsubishi Eclipse. Manual — part 808
AUTOMATIC TRANSAXLE DIAGNOSIS
TSB Revision
AUTOMATIC TRANSAXLE
23A-241
STEP 4. Measure the Overdrive solenoid valve resistance
at A/T control solenoid valve assembly connector B-40.
(1) Disconnect connector B-40 and measure at the solenoid
valve side.
(2) Measure the resistance between solenoid valve assembly
connector B-40 terminals 5 and 9.
Resistance value: 2.7
−3.4 Ω [at 20°C (68°F)]
Q: Is the measured resistance 2.7
−3.4 Ω [at 20°C (68°F)]?
YES : Go to Step 6.
NO : Go to Step 5.
STEP 5. Measure the solenoid valve resistance at the
overdrive solenoid valve assembly inside the transaxle.
(1) Disconnect connector B-40-3 and measure at the solenoid
valve side.
(2) Measure the resistance between Overdrive solenoid valve
terminals 1 and 2.
Resistance value: 2.7
−3.4 Ω [at 20°C (68°F)]
Q: Is the measured resistance 2.7
−3.4 Ω [at 20°C (68°F)?
YES : Replace the harness wire between A/T control
solenoid valve assembly connector B-40 and the
solenoid valves.
NO : Replace the Overdrive solenoid valve. Refer to
GROUP 23B, Valve Body
ACX02479
CONNECTOR: B-40
AK
B-40
AC001968 AN
B-40 HARNESS CONNECTOR:
A/T CONTROL SOLENOID VALVE
ASSEMBLY SIDE
AC002219
CONNECTORS: B-40-3
CM
B-40-3
VALVE BODY
ASSEMBLY
2
1
2
1
AC201141BH
B-40-3 HARNESS
CONNECTOR:
OVERDRIVE
SOLENOID VALVE SIDE
AUTOMATIC TRANSAXLE DIAGNOSIS
TSB Revision
AUTOMATIC TRANSAXLE
23A-242
STEP 6. Check A/T control solenoid valve assembly
connector B-40 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 7.
NO : Repair or replace the damaged components. Refer to
GROUP 00E, Harness Connector Inspection
STEP 7. Check the harness for an open or short circuit to
ground between A/T control solenoid valve assembly
connector B-40 terminal 5 and PCM connector C-61 <2.4L
Engine> or C-63 <3.0L Engine> terminal 130.
Q: Is the harness wire in good condition?
YES : Replace the PCM.
NO : Repair or replace the harness wire.
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>
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-243
STEP 8. Measure the supply voltage at A/T control
solenoid valve assembly connector B-40.
(1) Disconnect solenoid valve assembly harness connector
B-40.
(2) Turn the ignition switch to the "ON" position.
(3) Measure the voltage between harness connector B-40
terminal 9 and ground.
• The voltage should equal battery positive voltage.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the measured voltage battery positive voltage?
YES : Go to Step 11.
NO : Go to Step 9.
STEP 9. Check A/T control relay connector A-17X in the
engine component relay box and A/T control solenoid
valve assembly connector B-40 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 damaged components. Refer to
GROUP 00E, Harness Connector Inspection
ACX02479
CONNECTOR: B-40
AK
B-40
AC001967AT
B-40 HARNESS
CONNECTOR:
COMPONENT SIDE
AC102447AF
BATTERY
CONNECTOR: A-17X
A-17X
FRONT OF VEHICLE
ACX02479
CONNECTOR: B-40
AK
B-40
AUTOMATIC TRANSAXLE DIAGNOSIS
TSB Revision
AUTOMATIC TRANSAXLE
23A-244
STEP 10. Check the harness for an open circuit or short
circuit to ground between A/T control relay connector
A-17X terminal 4 in the engine component relay box and
A/T control solenoid valve assembly connector B-40
terminal 9.
Q: Is the harness wires in good condition?
YES : Go to Step 11.
NO : Repair or replace the harness wire.
STEP 11. Check A/T control solenoid valve assembly
connector B-40 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 12.
NO : Repair or replace the damaged components. Refer to
GROUP 00E, Harness Connector Inspection
AC102447AF
BATTERY
CONNECTOR: A-17X
A-17X
FRONT OF VEHICLE
ACX02479
CONNECTOR: B-40
AK
B-40
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>
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