Infiniti G37 Coupe. Manual — part 1111
SE-112
< ECU DIAGNOSIS >
DRIVER SEAT CONTROL UNIT
*
1
: Driver seat without automatic driver positioner system display only “U1000 CAN COMM CIRCUIT”and “B2112 SEAT SLIDE”.
DTC Index
INFOID:0000000001911595
*1
:
• 0: Current malfunction is present
• 1-39: Displayed if any previous malfunction is present when current condition is normal. The numeral value increases by one at each
IGN ON to OFF cycle from 1 to 39. The counter remains at 39 even if the number of cycles exceeds it. However, the counter is reset
to 1 if any malfunction is detected again, the normal operation is resumed and the ignition switch is turned from OFF to ON.
*
2
: Driver seat without automatic driver positioner system display only “U1000 CAN COMM CIRCUIT”and “B2112 SEAT SLIDE”.
Operating in
fail-safe mode
Malfunction Item
Related
DTC
Diagnosis
Only manual functions operate normally.
CAN communication*
1
U1000
With ADP:
Without ADP:
Tilt sensor*
1
B2118
With ADP:
Without ADP:
Telescopic sensor
B2119
Detent switch
B2126
Parking brake switch
B2127
Only manual functions, except door mirror, operate normally.
UART communication
B2128
Only manual functions, except seat sliding, operate normally.
Seat sliding output
B2112
Only manual functions, except seat reclining, operate normally.
Seat reclining output
B2113
CONSULT-III
display
Timing
*1
Item
Reference page
Current mal-
function
Previous mal-
function
CAN COMM CIRCUIT*
2
[U1000]
0
1-39
CAN communication
With ADP:
Without ADP:
SEAT SLIDE*
2
[B2112]
0
1-39
Seat slide motor output
With ADP:
Without ADP:
SEAT RECLINING
[B2113]
0
1-39
Seat reclining motor output
TILT SENSOR
[B2118]
0
1-39
Tilt sensor input
TELESCO SENSOR
[B2119]
0
1-39
Telescopic sensor input
DETENT SW*
2
[B2126]
0
1-39
Detention switch condition
PARKING BRAKE
[B2127]
0
1-39
Parking brake switch condition
UART COMM
[B2128]
0
1-39
UART communication
PASSENGER SEAT CONTROL UNIT
SE-113
< ECU DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
SE
N
O
P
PASSENGER SEAT CONTROL UNIT
Reference Value
INFOID:0000000001730059
TERMINAL LAYOUT
PHYSICAL VALUES
JMJIA0199ZZ
Terminal No.
Wire
color
Description
Condition
Voltage (V)
(Approx)
+
-
Signal name
Input/
Output
4
Ground
O/B
Sliding limit switch sig-
nal
Input
Sliding position is front edge &
power walk-in switch is
pressed.
5
Other than above
0
5
Ground
L
Seat belt buckle switch
signal (passenger
side)
Input
Seat belt is released & power
walk-in switch is pressed.
5
Other than above
0
8
Ground
LG
Passenger side door
switch signal
Input
Passenger door
Open
0
Closed
11
Ground
BR
Sliding switch back-
ward signal
Input
Sliding switch
Operate
(back-
ward)
0
Release
Battery voltage
16
Ground
O
Sensor power supply
Output
—
5
24
Ground
R
Sliding sensor signal
Input
Seat sliding
Operate
Stop
0 or 5
26
Ground
Y
Sliding switch forward
signal
Input
Sliding switch
Operate
(forward)
0
Release
Battery voltage
PKIB4960J
JMJIA0119ZZ
SE-114
< ECU DIAGNOSIS >
PASSENGER SEAT CONTROL UNIT
30
Ground
P
Power walk-in switch
signal
Input
Power walk-in
switch
Pressed
0
Other
than
above
12
31
Ground
GR
Sensor ground
—
—
0
32
Ground
B/W
Ground (signal)
—
—
0
33
Ground
R
Power source (C/B)
Input
—
Battery voltage
35
Ground
W/R
Sliding motor forward
output
Output
Seat sliding
Operate
(forward)
Battery voltage
Release
0
40
Ground
R/W
Power source (Fuse)
Input
—
Battery voltage
41
Ground
Y/G
Forward switch signal
Input
Seat back is folded down and
power walk-in switch is
pressed.
0
Seat back is folded up and seat
reclining is operating.
Battery voltage
Seat back is folded up and pow-
er walk-in switch is pressed.
5
42
Ground
W
Sliding motor back-
ward output
Output
Seat sliding
Operate
(back-
ward)
Battery voltage
Stop
0
48
Ground
B
Ground (power)
—
—
0
Terminal No.
Wire
color
Description
Condition
Voltage (V)
(Approx)
+
-
Signal name
Input/
Output
PASSENGER SEAT CONTROL UNIT
SE-115
< ECU DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
SE
N
O
P
Wiring Diagram - POWER SEAT CONTROL SYSTEM FOR PASSENGER SIDE -
INFOID:0000000001831083
JCJWA0126GB
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