Mitsubishi 380. Manual — part 129
FRONT SEAT ASSEMBLY
INTERIOR
52A-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
INTERIOR
52A-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-
• Refer to configuration diagrams GROUP-
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
SUPPLY
1
12V
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
INTERIOR
52A-26
10-WAY TRACK (MEMORY)-switch to module- 20 pin
CIRCUIT DIAGRAMS:
• Refer to circuit diagrams GROUP-
• Refer to configuration diagrams GROUP-
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
INTERIOR
52A-27
10-WAY TRACK (MEMORY) lumbar switch to module
(20-pin)
CIRCUIT DIAGRAMS:
• Refer to circuit diagrams GROUP-
• Refer to configuration diagrams GROUP-
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
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