Mazda 3 manuals

Mazda 3 Service Manual: Electrical System

Mazda 3 Service Manual / Electrical / Electrical System

Electrical Parts

Battery cable

Wiring Harness

CAUTION:


Connectors

Disconnecting connectors

Locking connector

Inspection

CAUTION:

Terminals

Inspection

Replacement

Sensors, Switches, and Relays

Wiring Harness

Wiring color codes


CODE

COLOR

CODE

COLOR

B

Black

O

Orange

BR

Brown

P

Pink

G

Green

R

Red

GY

Gray

V

Violet

L

Blue

W

White

LB

Light Blue

Y

Yellow

LG

Light Green


Fuse

Replacement

Direction of View for Connector

Part-side connector


The viewing direction of part-side connectors is from the terminal side.


* Part names are shown only when there are multiple connector drawings.

Vehicle harness-side connector


The viewing direction of vehicle harness-side connectors is from the harness side.


* Part names are shown only when there are multiple connector drawings.

Other


When it is necessary to show the terminal side of vehicle harness-side connectors, such as the following connectors, the viewing direction is from the terminal side.


Electrical Troubleshooting Tools

Jumper wire

CAUTION:

Voltmeter

Ohmmeter

CAUTION:

Precautions Before Welding

A vehicle has various electrical parts. To protect the parts from excessive current generated when welding, be sure to perform the following procedure.

1. Switch the ignition to LOCK.

2. Disconnect the battery cables.


3. Securely connect the welding machine ground near the welding area.


4. Cover the peripheral parts of the welding area to protect them from weld spatter.

Electrical
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Battery
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Other materials:

Air Intake Actuator Inspection [Manual Air Conditioner]
1. Connect battery positive voltage to air intake actuator terminal B (or C), connect terminal C (or B) to ground, and then verify that the air intake actuator operates as shown in the table. If the operation condition is not normal, replace the air intake actuator. ...

Oil Pan Removal/Installation [Mzr 2.0, Mzr 2.5]
WARNING: Hot engines and engine oil can cause severe burns. Turn off the engine and wait until it and the engine oil have cooled. A vehicle that is lifted but not securely supported on safety stands is dangerous. It can slip or fall, causing death or serious injury. Never work ...

Voice Recognition Learning Function (Speaker Enrollment) (Type A)
The voice recognition learning function enables voice recognition appropriate to the characteristics of the user's voice. If the recognition of the voice input commands to the system is not adequate, this function can largely improve the system's voice recognition of the user. If your voice ca ...

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