Infiniti M35/M45 Y50. Manual — part 1035
PRE-CRASH SEAT BELT
SB-11
C
D
E
F
G
I
J
K
L
M
A
B
SB
THWT0242E
SB-12
PRE-CRASH SEAT BELT
THWT0205E
PRE-CRASH SEAT BELT
SB-13
C
D
E
F
G
I
J
K
L
M
A
B
SB
Terminals and Reference Value for Pre-Crash Seat Belt Control Unit
NHS00083
Work Flow
NHS00084
1.
Check the symptom and customer's requests.
2.
Understand the system description. Refer to
.
3.
Perform the preliminary check. Refer to
4.
Check the self-diagnosis, results using CONSULT-II. Refer to
SB-14, "CONSULT-II Function (PRECRASH
5.
Based on the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to
6.
Does pre-crash seat belt system operate normally?
OK: GO TO 7.
NG: GO TO 4.
7.
INSPECTION END
Terminal
Wire
Color
Item
Signal
Input/Output
Condition
Voltage [V]
(Approx.)
1
G/R
Seat belt motor RH release
direction signal
Output
Seat belt motor RH operation
Battery voltage
Other than above
0
2
W
Power source (BAT)
Input
—
Battery voltage
3
G/Y
Seat belt motor RH fastened
direction signal
Output
Seat belt motor RH operation
Battery voltage
Other than above
0
4
GY/W
Seat belt motor LH fastened
direction signal
Output
Seat belt motor LH operation
Battery voltage
Other than above
0
5
B/Y
Ground (Driver circuit)
—
—
0
6
L/Y
Seat belt motor LH release
direction signal
Output
Seat belt motor LH operation
Battery voltage
Other than above
0
7
G/Y
Seat belt indicator signal
Output
When driver side seat belt is fastened
Battery voltage
When driver side seat belt is un-fastened
0
When driver side seat belt is fastened and
system malfunction
Battery
voltage
⇔
0
8
LG
Seat belt buckle switch RH
Input
When seat belt is fastened
5
When seat belt is un-fastened
0
10
SB
Seat belt buckle switch LH
Input
When seat belt is fastened
Battery voltage
When seat belt is un-fastened
0
13
W/G
Power source (IGN)
Input
Ignition switch ON or START
Battery voltage
16
W
Brake pedal stroke sensor
output signal 1
Output
Brake pedal is fully released operation
1
Brake pedal is slightly depressed operation
4
18
R
Power source
(Brake pedal stroke sensor)
Input
—
5
20
G
Brake pedal stroke sensor
output signal 2
Output
Brake pedal is fully released operation
4
Brake pedal is slightly depressed operation
1
21
B
Ground
(Brake pedal stroke sensor)
—
—
0
22
P
CAN-L
Input/Output
—
—
24
L
CAN-H
Input/Output
—
—
25
—
Ground (Shield wire)
—
—
0
26
B/Y
Ground (Control circuit)
—
—
0
SB-14
PRE-CRASH SEAT BELT
CONSULT-II Function (PRECRASH SEATBELT)
NHS00085
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
CONSULT-II START PROCEDURE
Refer to
GI-38, "CONSULT-II Start Procedure"
HOW TO READ SELF-DIAGNOSTIC RESULTS
SELF-DIAGNOSTIC RESULTS ITEM CHART
DATA MONITOR ITEM CHART
CONSULT-II
diagnosis items
Inspection item
self-diagnosis mode
Content
Reference
page
PRECRASH
SEATBELT
SELF–DIAG RESULTS
Carries out the self-diagnosis.
DATA MONITOR
Displays pre-crash seat belt control unit input data in real time.
CAN DIAG SUPPORT MNTR
The results of transmit / receive diagnosis of CAN communication
can be read.
ECU PART NUMBER
Displays pre-crash seat belt control unit part No.
—
PHIA1176E
DTC
Self-diagnosis item
(CONSULT-II indication)
DTC detection condition
Reference
page
U1000
CAN COMM CIRCUIT
When pre-crash seat belt control unit is not transmitting or receiving CAN
communication signal for 2 seconds or more.
B2451
SB MOTOR RH CIRC
Circuit of seat belt motor (RH) is open or shorted.
B2452
SB MOTOR LH CIRC
Circuit of seat belt motor (LH) is open or shorted.
B2453
BR STROKE SEN CIRC
Circuit of brake pedal stroke sensor is open or shorted.
B2454
MOTOR PWR SUP CIRC
Circuit of motor power supply is open or shorted.
B2455
PSB C/U INT CIRC
ECU circuit internal abnormality
—
Monitor item [OPERATION or UNIT]
Contents
SB SW RH SIG
“ON/OFF”
RH seat belt switch signal is displayed.
SB SW LH SIG
“ON/OFF”
LH seat belt switch signal is displayed.
VHCL SPEED SE
“Km/h”
Vehicle speed signal is displayed.
B PEDAL SIG1
“V”
Brake pedal stroke sensor 1 signal voltage is displayed.
B PEDAL SIG 2
“V”
Brake pedal stroke sensor 2 signal voltage is displayed.
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст