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:

Front Drain Hose Removal
1. Set the air intake mode to FRESH. 2. Set the air mix mode to MAX COLD. 3. Disconnect the negative battery cable. 4. Remove the rain sensor cover. (Vehicles with auto light / wiper system). 5. Disconnect the rain sensor connector. (Vehicles with auto light / wiper system) 6. Partially ...

Audio Amplifier Removal/Installation
1. Slide the passenger seat rearward. 2. Remove the cover. 3. Remove the bolt. 4. Detach the clips and set the vehicle wiring harness aside. 5. Slide the passenger seat forward. 6. Disconnect the negative battery cable.. 7. Remove the caps. 8. Remove the nuts. 9. Disconnect t ...

Neutral Switch Removal/Installation [G66 M R]
1. Remove the battery cover.. 2. Disconnect the negative battery cable. 3. Remove the battery component. (ex: battery, battery tray and PCM component). 4. Remove the aerodynamic under cover No.2.. 5. Drain the oil from the transaxle.. 6. Remove the neutral switch. 7. Install the neu ...

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