Infiniti M35/M45 Y50. Manual — part 1076
POWER SEAT(REAR)
SE-101
C
D
E
F
G
H
J
K
L
M
A
B
SE
TIWT2128E
SE-102
POWER SEAT(REAR)
TIWT1390E
POWER SEAT(REAR)
SE-103
C
D
E
F
G
H
J
K
L
M
A
B
SE
Terminals and Reference Values for Rear Seat Control Unit
NIS00276
Termi-
nal
Wire
Color
Item
Signal
Input/Output
Condition
Voltage (V)
(Approx.)
1
R
Power source (BAT)
Input
—
Battery voltage
2
R/W
Sliding motor forward signal
Output
When sliding switch forward is
operated
Battery voltage
Other than above
0
7
W/R
Sliding motor backward signal
Output
When sliding switch backward
is operated
Battery voltage
Other than above
0
8
B/L
Ground (power)
—
—
0
10
Y/B
Sliding switch forward signal
Input
When sliding switch forward is
operated
0
Other than above.
Battery voltage
11
Y/R
Cancel switch signal
Input
Cancel switch ON
5
Cancel switch CANCEL
0
12
Y/G
Sliding sensor signal
Input
Sliding device active
Sliding device inactive
0 or 5
13
B/Y
Ground (signal)
—
—
0
15
L/R
Sliding switch backward signal
Input
When sliding switch backward
is operated
0
Other than above
Battery voltage
16
L/B
Rear door switch signal
Input
Rear door open (ON)
0
Rear door close (OFF)
Battery voltage
19
Y
Sensor ground
—
—
0
SIIA0690J
SE-104
POWER SEAT(REAR)
Work Flow
NIS00277
1.
Check the symptom and customer's requests.
2.
Understand the outline of system. Refer to
3.
According to the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to
"Trouble Diagnoses Symptom Chart"
.
4.
Does rear power seat operate normally? YES: GO TO 5, NO: GO TO 4.
5.
INSPECTION END.
Trouble Diagnoses Symptom Chart
NIS00278
●
Check that other systems using the signal of the following systems operate normally.
Check Rear Power Seat Power Supply Circuit
NIS00279
1.
CHECK FUSIBLE LINK
Check 50A fusible link (letter F located in the fuse and fusible link box).
NOTE:
Refer to
SE-96, "Component Parts and Harness Connector Location"
.
OK or NG
OK
>> GO TO 2.
NG
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse, refer to
3, "POWER SUPPLY ROUTING CIRCUIT"
2.
CHECK CIRCUIT BREAKER
Check circuit breaker.
NOTE:
Refer to
PG-3, "POWER SUPPLY ROUTING CIRCUIT"
OK or NG
OK
>> Check the condition of the harness and connector.
NG
>> Replace the circuit breaker.
Symptom
Diagnoses / service procedure
Refer to page
Rear power seat LH, RH do not operate.
Check rear power seat power supply circuit
Rear power seat LH or RH sliding switch does not operate moreover,
retreat function does not operate if the door is opened
1. Check rear seat control unit power supply
and ground circuit
2. Check rear seat sliding motor circuit
Rear power seat LH or RH does not operate, but retreat function
operates when the door is opened
Check rear power seat switch circuit
Rear power seat LH and RH retreat function does not operate,
but operates by sliding switch
Check automatic return cancel switch
Rear power seat LH or RH retreat function does not operate,
but operates by a sliding switch
1. Check rear door switch circuit
2. Check automatic return cancel switch circuit
3. Check rear seat sliding sensor circuit
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