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Srs Wiring-Yaris

This document is an overall electrical wiring diagram for a 2019 Yaris vehicle. It shows the wiring connections for various electrical components related to the supplemental restraint system (SRS) including airbag sensors, airbag assemblies, the multiplex communication system, and telltale indicator lights. The diagram spans two pages and details over 30 electrical connections between components.
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0% found this document useful (0 votes)
1K views2 pages

Srs Wiring-Yaris

This document is an overall electrical wiring diagram for a 2019 Yaris vehicle. It shows the wiring connections for various electrical components related to the supplemental restraint system (SRS) including airbag sensors, airbag assemblies, the multiplex communication system, and telltale indicator lights. The diagram spans two pages and details over 30 electrical connections between components.
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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19 YARIS (TMC Made) (Cont.

next page)

M OVERALL ELECTRICAL WIRING DIAGRAM


SRS

1 2 3 4
(IG)

10A
IG2

8 1D

Multiplex Communication
F19
Lower No. 1 Instrument

System (CAN)< 2–1>


Panel Airbag Assembly

B
DK+ DK–
31 3C 1 2

45 3A
YARIS (EM1779E)

Y–B
B

B
F16(A), K31(B), K32(C)
21 A 9 A 10 A 13 A 22 A Airbag Sensor Assembly
IG2 DK+ DK– CANH CANL

E1 E2 PAON P–AB MSW+ MSW– D+ D– P+ P– +SL –SL


25 A 26 A 23 A 17 A 11 A 12 A 5 A 6 A 4 A 3 A 30 A 28 A
W–B

W–B

Y–B

W
Y

B
8 3A 7 3A 24 3A 26 3A

1 FS1 2 FS1 1 AF1 2 AF1

8 3B 6 3A 30 3A 21 3A
W–B

W–B

Y–G
Y–R
Y–B
GR
W

W
B

B
2 1 1 A 2 A
F17(A), z1(C)
PMC+ PMC– D+ D– Spiral with Sensor
Cable Sub–Assembly
2 3 2 C 1 C 2 1 2 1
PAON P–AB P+ P– +SL –SL
PASSENGER AIRBAG
ON/OFF Indicator

F93 z1(C) S1 A20


Telltale Light Assembly Driver Side Squib Circuit Instrument Panel Passenger Front Airbag Sensor
(Horn Button Assembly) without Door Airbag Assembly
6 7A 2 6A F20
Airbag Cut Off Switch
Cylinder Sub–Assembly
F2 F1
19 YARIS (TMC Made) (Cont' d)

SRS

5 6 7 8

(BAT) (IG)

∗ 4 : w/ Stop & Start System


∗ 5 : w/o Stop & Start System 5A 7. 5A
ECU–B MET
NO. 2

2 2

1 6 1D
K28 K27 K30 K29
Curtain Shield Airbag Curtain Shield Airbag Front Seat Airbag Front Seat Airbag
Assembly RH Assembly LH Assembly RH Assembly LH

(∗5)
B
L
ICR+ ICR– ICL+ ICL– SFR+ SFR– SFL+ SFL– 36 3C

System< 4–7>
1 2 1 2 1 2 1 2

Stop & Start


1 AF3

14 3B
Y–B

Y–B

Y–B

Y–B
Y

Y
YARIS (EM1779E)

(∗5)

(∗4)
P
L
F16(A), K31(B), K32(C)
Airbag Sensor Assembly 5 C 6 C 4 B 3 B 8 C 7 C 1 B 2 B
ICR+ ICR– ICL+ ICL– SFR+ SFR– SFL+ SFL– 40 A 39 A
B IG+

BBR+ BBR– PR+ PR– BBL+ BBL– PL+ PL–


17 C 18 C 4 C 3 C 24 B 23 B 5 B 6 B

SRS
5V IC

LED Driver
Y–B

Y–B
G

G
R

R
Y

Combination Meter Assembly


Side Airbag Sensor Assembly RH

CPU
CAN Controller

5V+B

Side Airbag Sensor


Belt Assembly RH

Belt Assembly LH
CAN I/F
Front Seat Outer

Front Seat Outer


4 A 3 A 1 2 4 A 3 A 1 2

Assembly LH
BBR+ BBR– R+ R– BBL+ BBL– L+ L–

F1(A)
CANH CANL ET
K22(A)

K21(A)
32 A 31 A 21 A
K26

K25
BCR+ BCR– Pretensioner BCL+ BCL– Pretensioner
1 A 2 A 1 A 2 A

W–B
G

G
R

Multiplex Communication
System (CAN)< 2–15>
Sensor Assembly RH

Sensor Assembly LH
No. 2 Side Airbag

No. 2 Side Airbag

2 1 2 1
BCR+ BCR– BCL+ BCL–
K24

K23

F7

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