Toyota FJ Cruiser (GSJ 10, 15 series). Instruction — part 437
SEAT BELT – SEAT BELT WARNING SYSTEM
SB–15
SB
2.
CENTER AIRBAG SENSOR ASSEMBLY
3.
OCCUPANT CLASSIFICATION ECU
(a) Disconnect the Q4 occupant classification ECU
connector.
(b) Measure the voltage and resistance of the wire
harness side connector.
Standard:
If the result is not as specified, there may be a
malfunction in the wire harness.
(c) Reconnect the occupant classification ECU
connector.
(d) Measure the resistance of the wire harness side
connector.
Standard:
Terminal No.
Terminal Symbol
Destination
E29-13
PBEW
Combination meter assembly
E29-21
IG2
IGN fuse
E29-25
E1
Ground
K1-12
FSP+
Occupant Classification ECU
K1-13
FSP-
Occupant Classification ECU
L1
K1
E29
C141045E01
Q4
Q5
H100909E12
Symbols (Terminals No.)
Wiring Color
Terminal Description
Condition
Specified Condition
Q4-1 (+B) - Body ground
W-R - Body ground
Battery
Always
11 to 14 V
Q4-3 (GND) - Body
ground
W-B - Body ground
Ground
Always
Below 1
Ω
Q4-7 (IG) - Body ground
B-O - Body ground
Ignition switch signal
Ignition switch OFF
→ ON
Below 1 V
→ 11 to 14 V
Symbols (Terminal No.)
Wiring Color
Terminal Description
Condition
Specified Condition
Q4-4 (FSR-) - Q4-3 (GND)
B - W-B
Center airbag sensor
assembly communication
line (-)
Always
Below 1
Ω
Q4-5 (BGND) - Q4-3
(GND)
GR - W-B
Passenger side buckle
switch ground line
Always
Below 1
Ω
SB–16
SEAT BELT – SEAT BELT WARNING SYSTEM
SB
If the result is not as specified, there may be a
malfunction in the wire harness.
Q4-8 (FSR+) - Q4-4 (FSR-
)
W - B
Center airbag sensor
assembly communication
line
Ignition switch ON
Pulse generation
Q4-9 (BSW) - Q4-5
(BGND)
L - GR
Passenger side buckle
switch line
Buckle switch ON
Buckle switch OFF
Pulse generation
Symbols (Terminal No.)
Wiring Color
Terminal Description
Condition
Specified Condition
SEAT BELT – SEAT BELT WARNING SYSTEM
SB–17
SB
4.
MAIN BODY ECU (Driver Side J/B)
1
2
3
4
5
6
11
12
13
14
15
16
7
8
9
10
17
18
19
20
1
2
3
4
5
6
9
10
11
12
13
14
7
8
15
16
1
2
3
4
5
6
13
14
7
8
15
16
17
18
19
20
9
10
21
22
11
12
23
24
1
2
3
4
5
6
7
8
9
10
11
12
13
10
6
9
5
6
5
8
4
4
7
3
3
6
2
2
5
1
1
4
16
3
15
2
14
1
13
22
12
30
29
18
17
28
27
26
25
24
23
21
11
20
10
19
9
18
17
8
7
17
16
15
14
13
12
11
10
9
8
16
15
14
13
24
7
23
22
21
26
25
24
12
11
20
23
19
21
20
19
18
22
1
2
3
4
5
6
1
2
E6
1A
1B
1D
1F
1E
1C
E7
E8
E6
1A
1B
1D
1F
1E
1C
E7
E8
Main Body ECU (Driver Side J/B):
Left View:
Rear View:
B136051E03
SB–18
SEAT BELT – SEAT BELT WARNING SYSTEM
SB
(a) Disconnect the 1A, 1B and 1H main body ECU
(driver side J/B) connectors.
1
2
4
3
1
2
3
4
5
6
7
8
9 10 11 12 13 14
15 16
1
17
2
18
3
19
4
20
5
21
6
22
7
23
8
24
9
25
10
26
11
27
12
28
13
29
14
30
15
31
16
32
1
17
2
18
3
19
4
20
5
21
6
22
7
23
8
24
9
25
10
26
11
27
12
28
13
29
14
30
15
31
16
32
1
2
3
4
1
13
2
14
3
15
4
16
5
17
6
18
19 20
7
9
21
10
22
11
23
12
24
1
2
3
4
5
6
8
1G
1L
1K
1J
1H
1G
1H
1L
1J
1K
Main Body ECU (Driver Side J/B):
Front View:
B136052E03
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