Mazda Workshop Service and Repair Manuals

Logic Symbols

Connector Code Identification

The following connector codes are used to identify connectors shown in wiring diagrams. 
The prefix letter indicates the system in which the connector is used.

JB: Joint Box Connections
X: Common Connectors
A: Charging System/ Starting System Connectors
B: Engine Control System Connectors
C: Gauge Control System Connectors
D: Wiper System Connectors
E: Lighting System Connectors
F: Signal System Connectors
G: Air Conditioning System Connectors
H: Transaxle Control System Connectors
I: Interior Lamp System Connectors
J: Audio System Connectors
K: Power Window/ Power Door Lock System Connectors 
L: Remote Control Mirror System Connectors
M: Sliding Sunroof System Connectors
N: Power Steering/ 4-Wheel Steering System Connectors
O: Anti-Lock Brake System Connectors
P: Power Seat/ Heated Seat System Connectors
Q: Cruise Control System Connectors
R: Auto Adjusting Suspension System Connectors
S: Passive Shoulder Belt Control/ Air Bag Control System Connectors
T: Others
Y: Ground Connectors

Wiring Color Code

Color .............................................................................................................................................................................................................................  Code

Blue.........................................................................................................................................................................................................................................L
Black......................................................................................................................................................................................................................................B
Brown..................................................................................................................................................................................................................................BR
Dark Blue.............................................................................................................................................................................................................................DL
Dark Green..........................................................................................................................................................................................................................DG
Green......................................................................................................................................................................................................................................G
Gray.....................................................................................................................................................................................................................................GY
Light Blue............................................................................................................................................................................................................................LB
Light Green..........................................................................................................................................................................................................................LG
Natural....................................................................................................................................................................................................................................N