Mazda MX-5 NC (01.2009-08.2012) – Wiring Diagrams
INDEX
R READING WIRING DIAGRAMS
VEHICLE IDENTIFICATION NUMBER (VIN) CODE…….2
VEHICLE IDENTIFICATION NUMBERS (VIN)…………….3
CONTENTS OF WIRING DIAGRAMS ……………………….4
GROUND POINTS ………………………………………………….5
SYSTEM CIRCUIT DIAGRAM/
CONNECTOR DIAGRAM ………………………………………..6
ROUTING DIAGRAM ………………………………………………8
HARNESS SYMBOLS……………………………………………..9
WIRING COLOR CODE …………………………………………..9
SYMBOLS ……………………………………………………………10
SERVICE WARNING AND CAUTION FOR VEHICLES
WITH SRS AIR BAG SYSTEM……………………………..12
SERVICE WARNING FOR VEHICLES
WITH DISCHARGE HEADLIGHT …………………………12
ABBREVIATIONS USED IN THIS MANUAL ……………..12
P ELECTRICAL SYSTEM GENERAL PROCEDURES……14
E ELECTRICAL WIRING SCHEMATIC ………………………18
F FUSE BOX …………………………………………………………..20
C COMMON CONNECTOR LIST……………………………….22
G GROUND POINT…………………………………………………..28
D DATA LINK CONNECTOR……………………………………..32
12 COOLING SYSTEM………………………………………………34
14 FUEL SYSTEM …………………………………………………….36
17 CHARGING SYSTEM ……………………………………………38
19 STARTING SYSTEM……………………………………………..40
40 CONTROL SYSTEM ……………………………………………..42
15 DYNAMIC STABILITY CONTROL …………………………..56
13 AUTOMATIC TRANSMISSION
AUTOMATIC TRANSMISSION CONTROL SYSTEM …60
40 CONTROL SYSTEM
HEATER AND AIR CONDITIONER ……………………………66
MAGNETIC CLUTCH CONTROL SYSTEM………………70
10 AIR BAG SYSTEM
AIR BAG SYSTEM (INCLUDES PRE-TENSIONER
SEAT BELT INFORMATION) …………………………………72
12 GLASS/WINDOWS/MIRRORS
REAR WINDOW DEFROSTER ……………………………… 76
POWER WINDOW SYSTEM …………………………………. 78
POWER OUTER MIRROR ……………………………………. 80
14 SECURITY AND LOCKS
KEYLESS CONTROL MODULE…………………………….. 82
IMMOBILIZER SYSTEM……………………………………….. 88
TRUNK LID OPENER…………………………………………… 90
16 EXTERIOR TRIM
POWER RETRACTABLE HARDTOP ……………………… 92
18 LIGHTING SYSTEMS
HEADLIGHT ……………………………………………………….. 98
LICENSE PLATE LIGHT……………………………………… 100
PARKING LIGHT………………………………………………… 100
TAILLIGHT ………………………………………………………… 100
TRUNK COMPARTMENT LIGHT …………………………. 102
FRONT FOG LIGHT …………………………………………… 104
TURN AND HAZARD WARNING LIGHT……………….. 106
BACK-UP LIGHT ……………………………………………….. 108
BRAKE LIGHT …………………………………………………… 110
HIGH-MOUNT BRAKE LIGHT……………………………… 110
ILLUMINATION LIGHT………………………………………… 112
MAP LIGHT……………………………………………………….. 116
19 WIPER/WASHER SYSTEM
WIPER AND WASHER……………………………………….. 118
20 ENTERTAINMENT
ACCESSORY SOCKET………………………………………. 120
AUDIO SYSTEM
WITHOUT BOSE……………………………………………… 122
WITH BOSE ……………………………………………………. 126
22 INSTRUMENTATION/DRIVER INFO.
INSTRUMENT CLUSTER……………………………………. 134
HORN ………………………………………………………………. 142
ALPHABETICAL INDEX ……………………………………… 144