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:

Drive Belt Auto Tensioner Inspection [Mzr 2.0, Mzr 2.5]
MZR 2.0 1. Remove the generator drive belt with the A/C drive belt still installed and set it out of the way.. 2. Verify that the drive belt auto tensioner moves smoothly in the operational direction. If it does not move smoothly, replace the drive belt auto tensioner.. 3. T ...

Applications
NOTE Depending on the grade and specification, the screen display may differ. Select the icon on the home screen to display the Applications screen. The following information can be verified. Top screen Item Function HD Radio™ Traffic Map — ...

Auto Leveling Sensor Removal/Installation
1. Disconnect the negative battery cable.. 2. Lift up the vehicle. 3. Disconnect the quick release connector. (charcoal canister side). 4. Remove in the order indicated in the table. 1 Bolt 2 Connector 3 Auto ...

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