More Related Content Similar to 2012 BRZ wiring service manual (20) 1. BRZ
ELECTRICAL WIRING DIAGRAM
Section Code Page
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A . . . . 2
HOW TO USE THIS MANUAL . . . . . . . . . . . . . . . . . . B . . . . 3
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . C . . . . 12
ABBREVIATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D . . . . 17
GLOSSARY OF TERMS AND SYMBOLS . . . . . . E . . . . 18
RELAY LOCATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . F . . . . 20
ELECTRICAL WIRING ROUTING . . . . . . . . . . . . . . G . . . . 38
SYSTEM CIRCUITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . H . . . . 50
GROUND POINT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I . . . . 370
POWER SOURCE (Current Flow Chart) . . . . . . . J . . . . 378
CONNECTOR LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . K . . . . 388
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116. 0HPR
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118. ABBREVIATIONS D
ABBREVIATIONS
The following abbreviations are used in this manual.
A/C = Air Conditioning
A/T = Automatic Transmission
ABS = Anti-Lock Brake System
CAN = Controller Area Network
CPU = Central Processing Unit
DLC3 = Data Link Connector 3
E.F.I. = Electronic Fuel Injection
ECM = Engine Control Module
ECU = Electronic Control Unit
EDU = Electronic Driving Unit
EPS = Electric Motor Power Steering
J/B = Junction Block
LED = Light Emitting Diode
LH = Left-Hand
M/T = Manual Transmission
R/B = Relay Block
RH = Right-Hand
SRS = Supplemental Restraint System
TRAC = Traction Control
VSC = Vehicle Stability Control
VSV = Vacuum Switching Valve
VVT = Variable Valve Timing
w/ = With
w/o = Without
* The titles given inside the components are the names of the terminals (terminal codes) and are not treated as being
abbreviations.
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VSOLFHG MRLQHG 139. F RELAY LOCATIONS
[Engine Compartment]
Fusible Link Block
Assembly
Engine Room R/B VSC (VDC)
Engine Room J/B Control Module
Injector Driver (EDU)
20
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140. F
[Instrument Panel]
Transponder Key ID Code Box (*1) * 1:w/ Smart Entry Start System
Amplifier Transponder Key * 2:w/o Smart Entry Start System
ECU Assembly (*2)
ECM
Transmission Control
Module
Turn Signal Flasher Certification
Assembly ECU Assembly
Main Body ECU R/B No. 2
Instrument Panel
J/B Assembly
Power Steering Steering Lock Airbag Control A/C Amplifier
ECU Assembly Actuator Assembly Module Assembly
21
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141. F RELAY LOCATIONS
[Body]
Occupant Detection Tire Pressure Warning ECU and Receiver
Control Module (Door Control and Tire Pressure
Monitoring System Receiver Assembly)
Stereo Component Fuel Pump Control
Amplifier Assembly ECU Assembly
22
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142. Memo
23
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143. F RELAY LOCATIONS
1 : Engine Room R/B
Engine Compartment Right (See Page 20)
: Engine Room J/B
EFI MAIN1 EFI MAIN3 EFI MAIN2 C/OPEN INHIBITOR
Relay Relay Relay Relay Relay
HORN ETCS ST CUT DRL 1 2 FAN NO.2
Relay Relay Relay Relay Relay
(Engine Room
Main Wire)
1E
1 3 2 1
5 3 5
2 5 2 1 2 4 1
1 2 3
5 1 2 5
1 15A 2 1 3 3
A/B MAIN 5 3 2 7.5A 1
2 ST ST Relay
1 2 7.5A 1 2 2
INJ Relay
5 3 ALT-S 3 5 2 7.5A 1 IGS Relay
2 1 7.5A 2
HORN NO.2 1 7.5A 2 1 PUSH-AT
1 3 5 IG2 Relay
5 3 1 7.5A 2 STR LOCK
1 2 HORN NO.1 1 20A 2 3
D/L 2 5 1
5 3 3 4
2 1 15A 2 1
1 15A 2 ETCS 1 2 MIR HTR
1 H-LP LH LO 1 7.5A 2 Relay
5 3 1 15A 2 1
1 AT+B 2 5 3 1 7.5A 2
5 3 2 H-LP RH LO 1 7.5A 2
3 5 2 MIR HTR
2 AM2 NO.2 3
1
5
1 10A 2
1
2 7.5A 1
DOME 1
1 H-LP LH HI 1 15A 2 1 2
ECU-B
5 3
2 7.5A
1 25A 2
2 20A
IG2
5 3 1 10A 2 EFI(CTRL) 2
2 H-LP RH HI 1 15A 2 2 RDI
EFI(HTR) 3 5
1 15A 2
FAN NO.3 1 2 *5 EFI(IGN) 2
1
Relay 1 7.5A 2 FAN NO.1
1 2 *4 EFI(+B) 3 5 Relay
WASHER
2 30A 1
2 10A 1
WIPER
1 15A 2
1 2 *3 HAZ 1 WIPER
HEATER H-LP 1 7.5A 2 Relay
Relay MPX-B
D FR DOOR
Relay
D FL DOOR
ABS NO.2
1 20A 2
1 25A 2
1 25A 2
1 25A 2
1 25A 2
1 25A 2
1 30A 2
RR DEF
DIM 1 2 1 2 *2
D-OP
F/PMP
CDS
Relay 1 30A 2
*6 IG2 MAIN 1 2 *1
1 30A 2
DCC
2 1
DELIVERY
RR DEF
1D Relay 1C 1A
1 1 1
(Engine Room (Engine Room (Engine Room
Main Wire) Main Wire) Main Wire)
Wire Color : W Wire Color : W Wire Color : B
1B
* 1:50A HEATER (for High Current)
* 2:40A ABS NO.1 (for High Current) 1
* 3:40A AM2 NO.1 (for High Current) (Engine Room
* 4:30A H-LP WASHER (for High Current) Main Wire)
* 5:30A INJ (for High Current) Wire Color : B-R
* 6:80A EPS (for High Current)
24
BRZ (G4400BE)
144. F
2 : R/B No. 2 Behind Glove Box (See Page 21)
(Automatic A/C)
Blower Motor Relay
3
1 2
5
(Manual A/C)
Blower Motor Relay
3
1 4 2
5
25
BRZ (G4400BE)
145. F RELAY LOCATIONS
: Instrument Panel J/B Assembly Instrument Panel Reinforcement (See Page 21)
1 2 3 45 6 7 8 91011121314151617181920 21222324252627282930 3132
Main Body ECU
View A View B
View C
26
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146. F
View A
12 27 36
26 35 36 27
11 25 34 12
35 26
10 24 33 34 25 11
23 32 33 24
9 22 31 10
32 23
8 21 30 31 22 9
20 29 30 21
7 19 28 3D 8
29 20
28 19 7
6 18
5 17 18 6
4 16 17 5
16 4
3 15
15 3
2 14
14 2
1 13
13 1
(from Instrument Panel Wire)
40 25 10
39 24
10 25 40 38 23 9
24 39
9 23 38 37 22 8
36 21
8 22 37 35 20 7
21 36
7 20 35 34 19 6
3C 33 18
6 19 34 5
18 33 32 17
5 17 32
31 16 4
30 15
4 16 31 29 14 3
15 30 28 13 2
3 14 29 27 12
2 13 28 26 11 1
12 27
1 11 26
(from Engine Room Main Wire)
3E
1 1
(from Engine Room Main Wire)
27
BRZ (G4400BE)
147. F RELAY LOCATIONS
: Instrument Panel J/B Assembly Instrument Panel Reinforcement (See Page 21)
View B
1 11 26 26 11 1
12 27 27 12
2 13 28 13 2
28
29 14 3
3 14 29
15 30 30 15
4 16 31 16 4
31
3B
5 17 32 32 17 5
18 33 33 18
6 19 34 6
34 19
7 20 35 35 20 7
21 36 36 21
8 22 37 37 22 8
9 23 38 38 23 9
24 39 39 24
10 25 40 40 25 10
(from Instrument Panel Wire)
1 15 36
16 37
2 17 38
36 15 1
3 18 39 37 16
19 40 38 17 2
4 20 41 39 18 3
5 21 42 40 19
22 43 41 20 4
6 23 44 42 21 5
43 22
44 23 6
7 24 45
25 46 3A
8 26 47 45 24 7
46 25
47 26 8
9 27 48
28 49
10 29 50 48 27 9
11 30 51 49 28
31 52 50 29 10
12 32 53 51 30 11
13 33 54 52 31
34 55 53 32 12
14 35 56 54 33 13
55 34
56 35 14
(from Instrument Panel Wire)
28
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148. View C
1
2
15A
P/POINT NO.1
1
2
1
2
7.5A 7.5A
OBD RADIO
1
2
2
1
7.5A 10A
AM1 SEAT HTR RH
1
2
10A
SEAT HTR LH
1
2
1
2
7.5A 10A
STOP ECU IG2
1
2
7.5A
GAUGE
1
15A 2
AT UNIT
2
1
10A
ECU IG1
1
2
2
1
10A 7.5A
DRL BK/UP LP
2
1
10A
BRZ (G4400BE)
FR FOG RH
1
2
2
1
10A 10A
TAIL FR FOG LH
1
2
2
1
10A 10A
PANEL HEATER
1
2
2
1
15A 7.5A
P/POINT NO.2 HEATER-S
1
2
10A
ECU ACC
1
2
15A
ANP
F
29
149. F RELAY LOCATIONS
[Instrument Panel J/B Assembly Inner Circuit]
1 3E
43 3A
45 3A
24 3C
7 3A
23 3A
1 2
42 3A 14 3A
7.5A AM1
24 3A
38 3A 8 3D
46 3A 12 3D
1 2
44 3A 5 3B
15A ANP
25 3A
48 3A
FR FOG Relay
26 3A 1 2
5 3C
4 3A 10A FR FOG RH
21 3A 1 2
3 3C
20 3C 10A FR FOG LH
26 3C
32 3C
13 3C
1 3D
12 3C
34 3D
21 3B
6 3A
TAIL Relay 24 3D
22 3A 1 2
33 3D
16 3C 10A TAIL
31 3C 1 2
31 3B
18 3D 10A PANEL
36 3A
30 3D
22 3D
19 3C
50 3A
26 3B
17 3B
19 3D
7 3D
17 3C
49 3A
29 3A
30 3C
(Cont. Next Page)
30
BRZ (G4400BE)
150. F
(Cont'd)
39 3B
23 3D
28 3D
7 3C
10 3D
9 3D
15 3D
14 3D
3 3B
6 3C 2 3B
A DR LOCK/SET
Relay
11 3D
D DR UNLOCK
Relay
4 3D
1 3D
P DR UNLOCK
Relay
3 3D
2 3D
DL UNSET
Relay
6 3B
BK/DR Relay
(Cont. Next Page)
31
BRZ (G4400BE)
151. F RELAY LOCATIONS
[Instrument Panel J/B Assembly Inner Circuit]
(Cont'd)
1 2
11 3A
ACC1 Relay 15A P/POINT NO.2
1 2
28 3B
10A ECU ACC
34 3A
20 3A
12 3B
27 3B
55 3A
56 3A
ACC2 Relay
1 2
10 3A
15A P/POINT NO.1
1 2
38 3B
7.5A RADIO
IG1 NO.1 Relay 36 3B
1 2
35 3C
10A ECU IG1
36 3C
15 3A
37 3C
15 3C
29 3C
14 3C
28 3C
19 3A
40 3A
20 3D
25 3D
1 2
2 3C
7.5A BK/UP LP
(Cont. Next Page)
32
BRZ (G4400BE)
