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13
B
14
B
LG
P
G–R
G–R
L–R
21
B
12
Junction Connector
D16
(
A
)
, D17
(
B
)
A
1
32
27
3A
19
3C
L–R
(
∗
2)
W
G
G
3C
7
2
W
(
∗
2
)
G–R
22
B
Main Body ECU
A73(A), D5(B), D6(C)
P
LG
∗
2 : w/ Smart Entry & Start System
ACC(
∗
2)
BMPX
BECU
KSWB
CANL
CANH
ABS, TRAC and VSC
BRZ (G4400BE)
230
A
A9
(
A
)
9
A
7
A3
B–Y
Junction Connector
B–Y
A
4
3B
18
11
A
D8
(
A
)
, D9
(
B
)
B–Y
D3
B–Y
4
B
6
D1
B–Y
Junction Connector
B
C
1
1
Parking Brake
Switch Assembly
D31
14
24
3B
GR
A73(A), D5(B), D6(C)
Main Body ECU
GND
GND
GND
PKB
BRZ (G4400BE)
231
:
Parts Location
Code
See Page
A5
39
A9
A
42
A12
39
A13
42
A17
42
A18
A
42
A19
B
42
A22
42
A33
A
42
A34
B
42
A36
D
42
Code
See Page
A37
42
A42
39
A73
A
42
C15
38
C33
38
D5
B
40
D6
C
40
D7
40
D8
A
40
D9
B
40
D10
40
Code
See Page
D16
A
40
D17
B
40
D31
40
D35
40
D43
41
D56
41
G9
44
H12
45
L2
39
:
Relay Blocks
Code
See Page
Relay Blocks (Relay Block Location)
1
24
Engine Room R/B (Engine Compartment Right)
:
Junction Block and Wire Harness Connector
Code
See Page
Junction Block and Wire Harness (Connector Location)
3A
26
Instrument Panel Wire and Instrument Panel J/B Assembly (Instrument Panel Reinforcement)
3B
3C
26
Engine Room Main Wire and Instrument Panel J/B Assembly (Instrument Panel Reinforcement)
:
Connector Joining Wire Harness and Wire Harness
Code
See Page
Joining Wire Harness and Wire Harness (Connector Location)
AC1
46
Engine Room Main Wire and Engine Wire (Engine Unit)
AD1
47
Engine Room Main Wire and Instrument Panel Wire (Cowl Side Panel RH)
AD2
47
Engine Room Main Wire and Instrument Panel Wire (Instrument Panel Reinforcement)
AL2
46
Engine Room Main Wire and Transmission Wire (Dash Panel)
GD1
47
No. 1 Floor Wire and Instrument Panel Wire (Cowl Side Panel RH)
HD1
47
No. 2 Floor Wire and Instrument Panel Wire (Cowl Side Panel LH)
:
Ground Points
Code
See Page
Ground Points Location
A1
46
Front Fender Apron LH
A3
47
Cowl Side Panel LH
A7
46
Front Fender Apron RH
C1
46
Engine Unit
D1
47
Cowl Side Panel LH
D3
47
Instrument Panel Brace RH
ABS, TRAC and VSC
BRZ (G4400BE)
232
NOTICE : When inspecting or repairing the SRS, perform service in accordance with the following precautionary instructions
and the procedure, and precautions in the Repair Manual applicable for the model year.
●
Malfunction symptoms of the SRS are difficult to confirm, so the DTCs become the most important source of information
when troubleshooting. When troubleshooting the SRS, always inspect the DTCs before disconnecting the battery.
●
Work must be started more than 90 seconds after the ignition or starter switch assembly is turned to the ”LOCK”
position (Ignition switch type) or the engine switch is pushed to the ”OFF” position (Engine switch type) and the
negative (-) terminal cable is disconnected from the battery.
(The SRS is equipped with a back-up power source so that if work is started within 90 seconds from disconnecting
the negative (-) terminal cable of the battery, the SRS may deploy.)
●
When the negative (-) terminal cable is disconnected from the battery, the memory of the clock and audio system will be
cleared. So before starting work, make a record of the contents in the audio memory system. When work is finished, reset
the audio systems as they were before and adjust the clock. Some vehicles have power tilt steering, power telescopic
steering, power seat and power outside rear view mirror which are all equipped with memory function. However, it is not
possible to make a record of these memory contents. So when the work is finished, it will be necessary to explain it to your
customer, and ask the customer to adjust the features and reset the memory. To avoid erasing the memory in each system,
never use a back-up power supply from outside the vehicle.
●
Before repair, remove the airbag sensor if shocks are likely to be applied to the sensor during repair.
●
Do not expose the following parts directly to hot air or flame;
●
Even in cases of a minor collision where the SRS does not deploy, the following parts should be inspected;
●
Never use SRS parts from another vehicle. When replacing parts, replace with new parts.
●
For the purpose of reuse, never disassemble and repair the following parts.
●
If the following parts have been dropped, or have cracks, dents and other defects in their case, bracket, and connector,
replace with new one.
●
Use a volt/ohmmeter with high impedance (10 k
Ω
/V minimum) for troubleshooting electrical circuits of the system.
●
Information labels are attached to the periphery of the SRS components. Follow the instructions of the notice.
●
After work on the SRS is completed, check the SRS warning light.
●
If the vehicle is equipped with a mobile communication system, refer to the precaution in the IN section of the Repair Manual.
* Driver’s Airbag Module
* Passenger’s Airbag Module
* Side airbag Module
* Curtain Airbag Module
* Pretensioner
* Airbag Control Module
* Front Sub Sensor
* Side Airbag Sensor
* Curtain Airbag Sensor
* Front Door Impact Sensor
SRS
BRZ (G4400BE)
233
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