Mitsubishi 380. Manual — part 413

AUTOMATIC TRANSMISSION DIAGNOSIS

AUTOMATIC TRANSMISSION

23A-192

STEP 10. Check the harness for an open circuit or short
circuit to ground between A/T control relay connector
B-16X terminal 4 in the engine component relay box and
A/T control solenoid valve assembly connector B-108
terminal 10.
Q: Is the harness wire in good condition?

YES : Go to Step 11.
NO : Repair or replace the harness wire.

10DB098A

RELAY BOX

CONNECTOR: B-16X

2

1

3 4

FRONT OF
VEHICLE

AC306322

CONNECTOR: B-108

B-108 (GR)

AC

TRANSMISSION
RANGE SWITCH

2

7

1

8

3

9

4

6

10

5

AUTOMATIC TRANSMISSION DIAGNOSIS

AUTOMATIC TRANSMISSION

23A-193

STEP 11. Check A/T-ECU connector B-22 and A/T control
solenoid valve assembly connector B-108 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

P.00E-2

.

16DB564A

COVER

AIR

CLEANER

A/T

CONTROL

UNIT

CONNECTORS: B-19, B-22

AC306322

CONNECTOR: B-108

B-108 (GR)

AC

TRANSMISSION
RANGE SWITCH

2

7

1

8

3

9

4

6

10

5

AUTOMATIC TRANSMISSION DIAGNOSIS

AUTOMATIC TRANSMISSION

23A-194

STEP 12. Check the harness for an open or short circuit to
ground between A/T-ECU connector B-22 (terminals 8, 21
and 15) and A/T control solenoid valve assembly
connector B-108 (terminals 7, 6 and 8).
Q: Are the harness wires in good condition?

YES : Go to Step 13.
NO : Repair or replace the harness wire.

16DB564A

COVER

AIR

CLEANER

A/T

CONTROL

UNIT

CONNECTORS: B-19, B-22

AC306322

CONNECTOR: B-108

B-108 (GR)

AC

TRANSMISSION
RANGE SWITCH

2

7

1

8

3

9

4

6

10

5

AUTOMATIC TRANSMISSION DIAGNOSIS

AUTOMATIC TRANSMISSION

23A-195

STEP 13. Check the harness for an open or short circuit to
ground between A/T control solenoid valve assembly
connector B-108 (terminals 6, 7, 8 and 10) and solenoid
valve connectors B-108-4, B-108-5 and B-108-6.
Q: Is the harness wire in good condition?

YES : Replace the A/T-ECU.
NO : Replace the harness wire.

AC306322

CONNECTOR: B-108

B-108 (GR)

AC

TRANSMISSION
RANGE SWITCH

2

7

1

8

3

9

4

6

10

5

CONNECTORS: B-108-4, B-108-5, B-108-6

B-108-4

B-108-5

VALVE BODY
ASSEMBLY

B-108-6

10DB103A