2005 MITSUBISHI 380 seat memory

INTERIOR52A-2
FRONT SEAT ASSEMBLY* . . . . . . .52A-21
REMOVAL AND INSTALLATION . . . . . . . . 52A-21
INSPECTION . . . . . . . . . . . . . . . . . . . . . . . 52A-23
POWER SEAT CONTINUITY AND
DIAGNOSTIC CHECKS . . . . . . . . . . . . . . . 52A-23
OPERATION CHECK OF POWER
SEAT MOTOR . . . . . . . . . . . . . . . . . . . . . . 52A-29
MEMORY SEAT CONTROLLER (MSC). . . 52A-31
DISASSEMBLY AND ASSEMBLY RH SIDE52A-33
DISASSEMBLY AND ASSEMBLY LH SIDE52A-37
REMOVAL SERVICE POINT . . . . . . . . . . . 52A-42
FRONT SEAT TRIM COVER
REMOVAL AND FITMENT . . . . . . . . . . . . . 52A-43
REAR SEAT CUSHION TRIM COVER
REMOVAL AND FITMENT . . . . . . . . . . . . . 52A-46
REAR SEAT BACK TRIM COVERREMOVAL AND FITMENT . . . . . . . . . . . . . 52A-49
REAR SEAT ASSEMBLY . . . . . . . . . .52A-55
REMOVAL AND INSTALLATION . . . . . . . . 52A-55
DISASSEMBLY AND REASSEMBLY . . . . . 52A-57
FRONT SEAT BELT* . . . . . . . . . . . . .52A-58
REMOVAL AND INSTALLATION . . . . . . . . 52A-58
INSPECTION. . . . . . . . . . . . . . . . . . . . . . . . 52A-59
REAR SEAT BELT . . . . . . . . . . . . . . .52A-59
REMOVAL AND INSTALLATION . . . . . . . . 52A-59
SPECIFICATIONS . . . . . . . . . . . . . . .52A-60
FASTENER TIGHTENING
SPECIFICATIONS. . . . . . . . . . . . . . . . . . . . 52A-60

FRONT SEAT ASSEMBLY
INTERIOR52A-21
FRONT SEAT ASSEMBLY
REMOVAL AND INSTALLATIONM1522001300560
Before removing the front seat assembly, refer to GROUP 52B, Service Precautions
P.52B-16 and Air Bag Module and Clock Spring P.52B-237.
2. HEADREST
FRONT SEAT ASSEMBLY
REMOVAL STEPS
3. SEAT BELT SWITCH
CONNECTOR
4. POWER SEAT CONNECTOR RH
SEAT>
6. POWER SEAT CONNECTOR
7. SIDE-AIR BAG MODULE
CONNECTOR SIDE-AIR BAG>
8. FRONT SEAT REAR ANCHOR
COVER
>>A<<10. FRONT SEAT ASSEMBLYFRONT SEAT ASSEMBLY
REMOVAL STEPS (Continued)

FRONT SEAT ASSEMBLY
INTERIOR52A-23
INSPECTIONM1522005500113
POWER SEAT CONTINUITY AND DIAGNOSIS
CHECK
SPECIAL TOOL:
MB991219: Inspection Test Harness
CIRCUIT DIAGRAMS:
Refer to circuit diagrams GROUP-90
Refer to configuration diagrams GROUP-80
NOTE: Check connectors and terminals for damage or
loose connections at the seat harness and all supply
circuits connections to seat. Repair or replace wiring
harness if damaged.
NON-MEMORY SEAT DIAGNOSIS
POWER SEAT SUPPLY AND GROUND CONNECTOR (D-40)
NOTE: The special tool (Inspection test harness) MB991219
for connector pin contact pressure should be used. The test
probe should never be forcibly inserted, as it may cause a
defective contact.
4-WAY TRACK (NON MEMORY)
NOTE: The special tool (Inspection test harness) MB991219
for connector pin contact pressure should be used. The test
probe should never be forcibly inserted, as it may cause a
defective contact. SUPPLY TEST
CONNECTION
(D-40) SPECIFIED CONDITION
BATTERY
SUPPLY112V
GROUND 2 Less than 2 ohms or 0V
SWITCH POSITION TEST CONNECTION SPECIFIED CONDITION
SWITCH MOTOR
REAR LIFT MOTOR UP 1 1 Less than 2 ohms
DOWN 4 5 Less than 2 ohms
FRONT LIFT MOTOR UP 2 1 Less than 2 ohms
DOWN 3 5 Less than 2 ohms

FRONT SEAT ASSEMBLY
INTERIOR52A-24
6-WAY TRACK (NON MEMORY)
NOTE: The special tool (Inspection test harness) MB991219
for connector pin contact pressure should be used. The test
probe should never be forcibly inserted, as it may cause a
defective contact.
8 and 10-WAY TRACK (NON MEMORY)
NOTE: The special tool (Inspection test harness) MB991219
for connector pin contact pressure should be used. The test
probe should never be forcibly inserted, as it may cause a
defective contact. SWITCH POSITION TEST CONNECTION SPECIFIED CONDITION
SWITCH MOTOR
REAR LIFT MOTOR UP 2 1 Less than 2 ohms
DOWN 3 5 Less than 2 ohms
FRONT LIFT MOTOR UP 1 1 Less than 2 ohms
DOWN 4 5 Less than 2 ohms
TRACK/ SLIDE MOTOR FORWARD 5 2 Less than 2 ohms
BACK 8 1 Less than 2 ohms
SWITCH POSITION TEST CONNECTION SPECIFIED CONDITION
SWITCH MOTOR
REAR LIFT MOTOR UP 7 1 Less than 2 ohms
DOWN 8 5 Less than 2 ohms
FRONT LIFT MOTOR UP 6 1 Less than 2 ohms
DOWN 9 5 Less than 2 ohms
TRACK/ SLIDE MOTOR FORWARD 10 2 Less than 2 ohms
BACK 3 1 Less than 2 ohms
RECLINING MOTOR FORWARD 4 1 Less than 2 ohms
BACK 2 5 Less than 2 ohms

FRONT SEAT ASSEMBLY
INTERIOR52A-25
MEMORY SEAT DIAGNOSIS
POWER SEAT SUPPLY AND GROUND CONNECTOR (D-40)
SPECIAL TOOL:
MB991219: Inspection Test Harness
CIRCUIT DIAGRAMS:
Refer to circuit diagrams GROUP-90
Refer to configuration diagrams GROUP-80
NOTE: Check connectors and terminals for damage or
loose connections at the seat harness and all supply
circuits connections to seat. Repair or replace wiring
harness if damaged.
NOTE: The special tool (Inspection test harness) MB991219
for connector pin contact pressure should be used. The test
probe should never be forcibly inserted, as it may cause a
defective contact.
10-WAY TRACK (MEMORY)- SOURCE TO (MSC) POWER
CONNECTOR (D-38)
NOTE: The special tool (Inspection test harness) MB991219
for connector pin contact pressure should be used. The test
probe should never be forcibly inserted, as it may cause a
defective contact. SUPPLY TEST
CONNECTION
(D-40) SPECIFIED CONDITION
BATTERY
SUPPLY112V
GROUND 2 Less than 2 ohms or 0V
CIRCUIT
DESCRIPTION TEST CONNECTION
(MSC)
POWER
(D-38) SOURCE INTERMEDIATE
CONNECTOR
GROUND 1 GROUND 15 -
"NEUTRAL" 2 A/T-ECU (B-19) 31 (B-25) pin 9
Bus LT 3 - -
IGNITION- LED ON 4 (IGN 2) J/B fuse 9 (C-28) pin 35
DOOR SW.- LED ON 5 RH Door sw. (D-34) 2 -
VEHICLE SPEED 6 A/T-ECU (B-19) 24 (C-25) pin 8
"PARK" 7 A/T-ECU (B-19) 30 (C-25) pin 10
N.C - - -

FRONT SEAT ASSEMBLY
INTERIOR52A-26
10-WAY TRACK (MEMORY)-switch to module- 20 pin
CIRCUIT DIAGRAMS:
Refer to circuit diagrams GROUP-90
Refer to configuration diagrams GROUP-80
NOTE: Check connectors and terminals for damage or
loose connections at the seat harness and all supply
circuits connections to seat. Repair or replace wiring
harness if damaged.
NOTE: The special tool (Inspection test harness) MB991219
for connector pin contact pressure should be used. The test
probe should never be forcibly inserted, as it may cause a
defective contact.
10-WAY TRACK (MEMORY) 12pin connector (A) at module
to motor circuits
NOTE: The special tool (Inspection test harness) MB991219
for connector pin contact pressure should be used. The test
probe should never be forcibly inserted, as it may cause a
defective contact. SWITCH POSITION TEST CONNECTION SPECIFIED CONDITION
SWITCH (MSC)
MODULE
20 PIN
REAR LIFT MOTOR UP 7 16 Less than 2 ohms
DOWN 8 13 Less than 2 ohms
FRONT LIFT MOTOR UP 6 5 Less than 2 ohms
DOWN 9 7 Less than 2 ohms
TRACK/ SLIDE MOTOR FORWARD 10 4 Less than 2 ohms
BACK 3 3 Less than 2 ohms
RECLINING MOTOR FORWARD 4 14 Less than 2 ohms
BACK 2 2 Less than 2 ohms
SWITCH POSITION TEST CONNECTION SPECIFIED CONDITION
(MSC)
MODULE
12 PIN(A) MOTOR
REAR LIFT MOTOR UP 2 1 Less than 2 ohms
DOWN 3 5 Less than 2 ohms
FRONT LIFT MOTOR UP 11 5 Less than 2 ohms
DOWN 10 1 Less than 2 ohms
TRACK/ SLIDE MOTOR FORWARD 4 2 Less than 2 ohms
BACK 9 1 Less than 2 ohms

FRONT SEAT ASSEMBLY
INTERIOR52A-27
10-WAY TRACK (MEMORY) lumbar switch to module
(20-pin)
CIRCUIT DIAGRAMS:
Refer to circuit diagrams GROUP-90
Refer to configuration diagrams GROUP-80
NOTE: Check connectors and terminals for damage or
loose connections at the seat harness and all supply
circuits connections to seat. Repair or replace wiring
harness if damaged.
NOTE: The special tool (Inspection test harness) MB991219
for connector pin contact pressure should be used. The test
probe should never be forcibly inserted, as it may cause a
defective contact.
10-WAY TRACK (MEMORY) lumbar and recline module
connector (12-pin) to motors
NOTE: The special tool (Inspection test harness) MB991219
for connector pin contact pressure should be used. The test
probe should never be forcibly inserted, as it may cause a
defective contact. SWITCH POSITION TEST CONNECTION SPECIFIED CONDITION
SWITCH (MSC)
MODULE
LUMBAR SWITCH SOFTER 2 12 (20pin) Less than 2 ohms
HARDER 4 6 (20pin) Less than 2 ohms
MEMORY 3 6 (16pin) Less than 2 ohms
SWITCH POSITION TEST CONNECTION SPECIFIED CONDITION
(MSC)
MODULE
12 PIN MOTOR
LUMBAR MOTOR SOFTER 7 1 Less than 2 ohms
HARDER 2 2 Less than 2 ohms
RECLINER MOTOR FORWARD 1 1 Less than 2 ohms
BACK 8 5 Less than 2 ohms

FRONT SEAT ASSEMBLY
INTERIOR52A-28
ACTIVATION OF A MEMORY RECALL
All memory button seat position recalls will be refused while the
vehicle is in any other gear select position other than "PARK" or
"NEUTRAL". Memory recalls are also disabled if vehicle is in
"PARK" or "NEUTRAL" but the vehicle speed is greater than
15km/h (see table below).
IGNITION PARK NEUTRAL >15km/h MEMORY
RECALL
POSSIBLE
N X X N Y
N X X Y N
Y N N X N
Y Y N N Y
Y Y N Y N
Y N Y N Y
Y N Y Y N