Page 198 of 514

1997 MAZDA
MX-5 Miata
BUZZERS, RELAYS & TIMERS
BUZZERS, RELAYS & TIMERS
CIRCUIT PROTECTION DEVICES
CIRCUIT PROTECTION DEVICES
CONTROL UNITS
CONTROL UNITS
ComponentComponent Location
A/C RelayIn right front of engine compartment, near radiator. See Fig. 1 .
Condenser Fan RelayIn right front of engine compartment, near radiator. See Fig. 1 .
Cooling Fan RelayIn main fuse/relay block.
Flasher UnitBehind left side of dash. See Fig. 2 .
Fuel Pump RelayUnder left side of dash. See Fig. 2 .
Headlamp RelayOn left rear corner of front inner fender panel. See Fig. 1 .
Horn RelayOn left rear corner of front inner fender panel. See Fig. 1 .
INT RelayIntegral with windshield wiper & washer switch.
Main RelayIn left rear corner of engine compartment, in main fuse/relay block.
Power Antenna RelayIn right rear of vehicle, attached to power antenna.
Rear Window Defogger
RelayIn center rear of trunk compartment. See Fig. 3 .
Retractable Headlamp RelayBehind left side of dash.
TNS RelayIn left rear corner of engine compartment, on inner fender panel. See Fig.
1 .
Warning UnitBehind left side of dash. See Fig. 2 .
ComponentComponent Location
Fuse Block (Front)Behind left side of dash. See Fig. 2 .
Fuse Block (Rear)On right rear side of luggage compartment. See Fig. 3 .
Main Fuse BlockOn right rear corner of engine compartment, near firewall. See Fig. 1 .
ComponentComponent Location
ABS Control ModuleBehind passenger's seat. See Fig. 3 .
ABS Control UnitIn right rear corner of engine compartment.
Cruise Control ModuleUnder left side of dash above fuse block. See Fig. 2 .
Daytime Running Lamp (DRL) Control ModuleOn bracket, behind left side of dash. See Fig. 2 .
Engine Control Module (ECM)Behind passenger's seat. See Fig. 3 .
1997 Mazda MX-5 Miata
1997 MAZDA MX-5 Miata
1997 Mazda MX-5 Miata
1997 MAZDA MX-5 Miata
Microsoft
Sunday, July 05, 2009 1:54:00 PMPage 1 © 2005 Mitchell Repair Information Company, LLC.
Microsoft
Sunday, July 05, 2009 1:54:09 PMPage 1 © 2005 Mitchell Repair Information Company, LLC.
Page 199 of 514

MOTORS
MOTORS
SENDING UNITS & SENSORS
SENDING UNITS & SENSORS
Key Interlock UnitBehind left side of dash. See Fig. 2 .
SAS UnitBehind center of dash. See Fig. 2 .
Transmission Control Module (TCM)Under left side of dash, near fuse block. See Fig. 2 .
ComponentComponent Location
Blower MotorUnder right side of dash. See Fig. 2 .
Condenser Fan MotorIn front of engine compartment.
Cooling Fan MotorIn front of engine compartment.
Cruise Control ActuatorOn left side of engine compartment.
Fuel PumpIn fuel tank.
Power Antenna MotorIn right front of trunk.
Retractable Headlamp ActuatorsBehind respective headlamp.
Shift Lock ActuatorUnder center console, on base of gear selector.
Windshield Washer MotorOn bottom of washer fluid reservoir.
Windshield Wiper MotorOn right side of firewall.
ComponentComponent Location
ABS Wheel Speed Sensor (Left Front)On back of left front wheel spindle assembly. See Fig. 1 .
ABS Wheel Speed Sensor (Left Rear)On back of left rear wheel hub assembly. See Fig. 3 .
ABS Wheel Speed Sensor (Right Front)On back of right front wheel spindle assembly. See Fig. 1 .
ABS Wheel Speed Sensor (Right Rear)On back of right rear wheel hub assembly. See Fig. 3 .
Brake Fluid Level SensorIn brake fluid reservoir. See Fig. 1 .
Camshaft Position SensorIn center rear of engine compartment. See Fig. 1 .
Crankshaft Position SensorOn front of engine.
EGR Boost SensorOn right side of engine compartment.
EGR Valve Position SensorOn right side center, rear of engine compartment.
EGR Valve Position SensorOn right side center, rear of engine compartment. See Fig. 1 .
Engine Coolant Temperature SensorOn rear of engine. See Fig. 1 .
Fuel Gauge Sender UnitIn fuel tank.
Heated Oxygen Sensor (Front)In rear of engine compartment. See Fig. 1 .
Heated Oxygen Sensor (Rear)On underside of vehicle, on exhaust pipe.
Input/Turbine Speed SensorOn left side of transmission.
Mass Air Flow SensorOn top of air filter housing. See Fig. 1 .
Throttle Position (TP) SensorOn side of throttle body. See Fig. 1 .
Transmission Fluid Temperature SensorOn left side of transmission.
1997 Mazda MX-5 Miata
1997 MAZDA MX-5 Miata
Microsoft
Sunday, July 05, 2009 1:54:00 PMPage 2 © 2005 Mitchell Repair Information Company, LLC.
Page 201 of 514

CONNECTORS
CONNECTORS
GROUNDS
GROUNDS
Data Link Connector (DLC)On left inner fender panel. See Fig. 1 .
Data Link Connector (DLC) No. 2Under left side, center of dash, near console. See Fig. 4 .
Ignition CoilOn center rear of engine compartment.
Power ConnectorOn left inner fender panel.
Resistor (A/C-Heater)Under right side of dash. See Fig. 2 .
ComponentComponent Location
X-06 (White, 1 Pin)At right rear of engine compartment.
X-07 (White, 1 Pin)At right rear of engine compartment.
X-08 (White, 3 Pin)At right rear of engine compartment.
X-09 (Green, 4 Pin)At right rear of engine compartment.
X-10 (White, 6 Pin)At right rear of engine compartment.
X-12 (A/T) (White, 4 Pin)At right rear of engine compartment. See Fig. 1 .
X-12 (M/T) (Black, 1 Pin)At right rear of engine compartment. See Fig. 1 .
X-13 (Black, 10 Pin)At right rear of engine compartment. See Fig. 1 .
X-14 (Black, 8 Pin)At right rear of engine. See Fig. 1 .
X-15 (Gray, 4 Pin)At right rear of engine. See Fig. 1 .
X-16 (White, 20 Pin)At right kick panel. See Fig. 2 .
X-17 (White, 20 Pin)At right kick panel. See Fig. 2 .
X-18 (White, 24 Pin)At right kick panel. See Fig. 2 .
X-19 (White, 20 Pin)At right kick panel. See Fig. 2 .
X-20 (White, 20 Pin)At left side of dash. See Fig. 4 .
X-21 (White, 24 Pin)At left side of dash. See Fig. 4 .
X-22 (White, 2 Pin)At left side of dash. See Fig. 4 .
X-23 (White, 16 Pin)At right side of dash. See Fig. 4 .
X-24 (White, 12 Pin)At left kick panel. See Fig. 2 .
X-25 (White, 12 Pin)At left kick panel. See Fig. 2 .
X-26 (White, 4 Pin)At left kick panel. See Fig. 2 .
X-27 (White, 3 Pin)At left kick panel. See Fig. 2 .
X-28 (White, 4 Pin)At right kick panel. See Fig. 2 .
X-29 (White, 3 Pin)At right kick panel. See Fig. 2 .
X-30 (White, 8 Pin)Forward of right rear wheelwell. See Fig. 3 .
X-31 (White, 2 Pin)At right front corner of trunk.
X-36 (White, 2 Pin)At left kick panel.
1997 Mazda MX-5 Miata
1997 MAZDA MX-5 Miata
Microsoft
Sunday, July 05, 2009 1:54:00 PMPage 4 © 2005 Mitchell Repair Information Company, LLC.
Page 202 of 514
COMPONENT LOCATION GRAPHICS
ComponentComponent Location
G1At left rear corner of engine compartment. See Fig. 1 .
G2At left side of dash. See Fig. 2 .
G3At front of engine compartment. See Fig. 1 .
G4At right upper end of dash. See Fig. 2 .
G5At right upper end of dash. See Fig. 2 .
G6At right rear corner of engine compartment. See Fig. 1 .
G7At right end of dash. See Fig. 4 .
G8At left end of dash. See Fig. 4 .
G9At center rear of trunk. See Fig. 3 .
G10Above left rear wheelwell. See Fig. 3 .
G11Forward of right rear wheelwell. See Fig. 3 .
NOTE: Figures may show multiple component locations. Refer to appropriate table for
proper figure references.
1997 Mazda MX-5 Miata
1997 MAZDA MX-5 Miata
Microsoft
Sunday, July 05, 2009 1:54:00 PMPage 5 © 2005 Mitchell Repair Information Company, LLC.
Page 209 of 514

ENGINE
Removal (Miata)
1. Release residual pressure from fuel system. See FUEL PRESSURE RELEASE & PRIMING .
Disconnect negative battery cable from trunk-mounted battery. Reference mark and remove hood. Raise
vehicle and remove engine undercover. See Fig. 2
. Drain engine, transmission and cooling system fluids.
2. Remove transmission. For automatic transmission removal procedure, see REMOVAL &
INSTALLATION article in TRANSMISSION SERVICING. For manual transmission removal
procedure, see appropriate article in CLUTCHES. NOTE: On Miata with audio anti-theft system, radio will not operate if power to radio is
cut. Obtain code from customer to reactivate radio. To reactivate radio after
reconnecting power supply, turn ignition switch to ACC position. Press and
hold FF and REW buttons until CODE is displayed. Again press and hold FF and
REW buttons until bars (----) are displayed. Use preset button No. 1 to enter first
number. Use preset buttons No. 2 to enter second number, 3 for third number,
etc. Press FF and REW buttons for about 1.5 seconds until a beep is heard.
After 5 seconds, flashing CODE will disappear and radio will operate.
1997 Mazda MX-5 Miata
1997-98 ENGINES 1.8L 4-Cylinder
Microsoft
Sunday, July 05, 2009 1:55:15 PMPage 3 © 2005 Mitchell Repair Information Company, LLC.
Page 300 of 514
Fig. 6: Fuse Block Legend
Courtesy of MAZDA MOTORS CORP.
TRUNK FUSE BOX
Trunk fuse block is located in passen
ger's side of the trunk. See Fig. 7.
1997 Mazda MX-5 Miata
1997 ELECTRICAL Fuses & Circuit Breakers - MX-5 Miata
Microsoft
Sunday, July 05, 2009 1:54:39 PMPage 5 © 2005 Mitchell Repair Information Company, LLC.
Page 301 of 514
Fig. 7: Locating Trunk Fuse Box
Courtesy of MAZDA MOTORS CORP.
1997 Mazda MX-5 Miata
1997 ELECTRICAL Fuses & Circuit Breakers - MX-5 Miata
Microsoft
Sunday, July 05, 2009 1:54:39 PMPage 6 © 2005 Mitchell Repair Information Company, LLC.
Page 302 of 514
Fig. 8: Identifying Trunk Fuse Box Components & Legend
Courtesy of MAZDA MOTORS CORP.
1997 Mazda MX-5 Miata
1997 ELECTRICAL Fuses & Circuit Breakers - MX-5 Miata
Microsoft
Sunday, July 05, 2009 1:54:39 PMPage 7 © 2005 Mitchell Repair Information Company, LLC.