Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Matrix 2003-2007 Approved 2003 Toyota Matrix 2003 Wiring Diagram howtouse
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HOW TO USE THIS MANUAL B
This manual provides information on the electrical circuits installed on vehicles by
dividing them into a circuit for each system.
The actual wiring of each system circuit is shown from the point where the power
source is received from the battery as far as each ground point. (All circuit
diagrams are shown with the switches in the OFF position.)
When troubleshooting any problem, first understand the operation of the circuit
where the problem was detected (see System Circuit section), the power source
supplying power to that circuit (see Power Source section), and the ground points
(see Ground Point section). See the System Outline to understand the circuit
operation.
When the circuit operation is understood, begin troubleshooting of the problem
circuit to isolate the cause. Use Relay Location and Electrical Wiring Routing
sections to find each part, junction block and wiring harness connectors, wiring
harness and wiring harness connectors, splice points, and ground points of each
system circuit. Internal wiring for each junction block is also provided for better
understanding of connection within a junction block.
Wiring related to each system is indicated in each system circuit by arrows
(from__, to__). When overall connections are required, see the Overall Electrical
Wiring Diagram at the end of this manual.
2003 COROLLA MATRIX (EWD486U)
B HOW TO USE THIS MANUAL
[A] The system shown here is an EXAMPLE ONLY. It is different to the actual
circuit shown in the SYSTEM CIRCUITS SECTION.
Stop Light
From Power Source System (See Page 66)
15A 7.5A
STOP GAUGE
4
R L
2 IB
[B] 1 3 IB
1 IB
[C] [G]
W R
2 IB
R (W/G)
L (S/D)
Y G
2
S6 4
Stop Light SW
Lights
14 IE1 [E] C7
Rear
Combination
[D] 1 Meter
13
G W
L (S/D)
G W
ABS ECU I5
[F]
Y G
G W
L4
7 8 Light Failure Sensor 4
2 1 11
G R
[H]
1
G R
G B
BV1 B18 [I] [J]
G R
G R
(Shielded)
Rear Combination Light RH
Rear Combination Light LH
4 3 2
H17
W B
[K] High Mounted
Stop
Stop
Stop Light
1
R7
R6
3 6
W B
W B
W B
1
W B
BV1 B18
W B
BO BL
[L]
50 [M]
2003 COROLLA MATRIX (EWD486U)
B
[A] : System Title [H] : Indicates the wiring color.
[B] : Indicates a Relay Block. No shading is used and Wire colors are indicated by an alphabetical code.
only the Relay Block No. is shown to distinguish it B = Black W = White BR = Brown
from the J/B
L = Blue V = Violet SB = Sky Blue
Example: Indicates Relay Block No.1
R = Red G = Green LG = Light Green
[C] : ( ) is used to indicate different wiring and P = Pink Y = Yellow GR = Gray
connector, etc. when the vehicle model, engine
type, or specification is different. O = Orange
[D] : Indicates related system. The first letter indicates the basic wire color and the
second letter indicates the color of the stripe.
[E] : Indicates the wiring harness and wiring harness
connector. The wiring harness with male terminal is Example: L◦ Jabse Service Manual Search 2026 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo