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SB-6
PRE-CRASH SEAT BELT
Revision: 2006 January2006 M35/M45
SchematicNHS00081
THWT0139E
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PRE-CRASH SEAT BELT
SB-7
C
D
E
F
G
I
J
K
L
MA
B
SB
Revision: 2006 January2006 M35/M45
Wiring Diagram — PSB —NHS00082
THWT0140E
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SB-8
PRE-CRASH SEAT BELT
Revision: 2006 January2006 M35/M45
THWT0141E
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PRE-CRASH SEAT BELT
SB-9
C
D
E
F
G
I
J
K
L
MA
B
SB
Revision: 2006 January2006 M35/M45
THWT0142E
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SB-10
PRE-CRASH SEAT BELT
Revision: 2006 January2006 M35/M45
THWT0143E
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PRE-CRASH SEAT BELT
SB-11
C
D
E
F
G
I
J
K
L
MA
B
SB
Revision: 2006 January2006 M35/M45
THWT0144E
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SB-12
PRE-CRASH SEAT BELT
Revision: 2006 January2006 M35/M45
THWT0145E
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PRE-CRASH SEAT BELT
SB-13
C
D
E
F
G
I
J
K
L
MA
B
SB
Revision: 2006 January2006 M35/M45
Terminals and Reference Value for Pre-Crash Seat Belt Control UnitNHS00083
Work FlowNHS00084
1. Check the symptom and customer's requests.
2. Understand the system description. Refer to SB-3, "
System Description" .
3. Perform the preliminary check. Refer to SB-16, "
Preliminary Check" .
4. Check the self-diagnosis, results using CONSULT-II. Refer to SB-14, "
CONSULT-II Function (PRECRASH
SEATBELT)" .
5. Based on the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to SB-16,
"Diagnoses Symptom Chart" .
6. Does pre-crash seat belt system operate normally?
OK: GO TO 7.
NG: GO TO 4.
7. INSPECTION END
Terminal Wire Color Item ConditionVoltage [V]
(Approx.)
1G/RSeat belt motor RH release direction
signalSeat belt motor RH operation Battery voltage
Other than above 0
2 W Power source (BAT) – Battery voltage
3G/YSeat belt motor RH fastened direction
signalSeat belt motor RH operation Battery voltage
Other than above 0
4GY/WSeat belt motor LH fastened direction
signalSeat belt motor LH operation Battery voltage
Other than above 0
5 B/Y Ground (Driver circuit) – 0
6L/YSeat belt motor LH release direction
signalSeat belt motor LH operation Battery voltage
Other than above 0
7 G/Y Seat belt indicator signalWhen 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 malfunctionBattery
voltage
0
8 LG Seat belt buckle switch RHWhen seat belt is fastened 5
When seat belt is un-fastened 0
10 SB Seat belt buckle switch LHWhen seat belt is fastened Battery voltage
When seat belt is un-fastened 0
13 W/G Power source (IGN) Ignition switch ON or START Battery voltage
16 WBrake pedal stroke sensor output sig-
nal 1Brake pedal is fully released operation 1
Brake pedal is slightly depressed operation 4
18 RPower source (Brake pedal stroke sen-
sor)
–5
20 GBrake pedal stroke sensor output sig-
nal 2Brake 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 – -
24 L CAN-H – -
25 – Ground (Shield wire) – 0
26 B/Y Ground (Control circuit) – 0