1991 MAZDA MIATA diagram

Warning Light Flashes 7 Times
1. Disable air bag system. See DISABLING & ACTIVATING AIR BAG SYSTEM. Disconnect diagnostic
module Black and Gray connectors. See Fig. 10
or Fig. 11 .
2. Check continuity between Black connector Black wire and ground. If continuity is present, replace
diagnostic module. If continuity is not present, replace wire harness.
WIRING DIAGRAMS
Fig. 16: Air Bag System Wiring Diagram (1990 Miata)
Courtesy of MAZDA MOTORS CORP.

1991 Mazda MX-5 Miata
AIR BAG RESTRAINT SYSTEM MAZDA 1990-91 AIR BAGS
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Fig. 17: Air Bag System Wiring Diagram (1990 RX7)
Courtesy of MAZDA MOTORS CORP.

1991 Mazda MX-5 Miata
AIR BAG RESTRAINT SYSTEM MAZDA 1990-91 AIR BAGS
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Sunday, July 05, 2009 2:11:16 PMPage 25 © 2005 Mitchell Repair Information Company, LLC.

Fig. 18: Air Bag System Wiring Diagram (1991 Miata)
Courtesy of MAZDA MOTORS CORP.

1991 Mazda MX-5 Miata
AIR BAG RESTRAINT SYSTEM MAZDA 1990-91 AIR BAGS
Microsoft
Sunday, July 05, 2009 2:11:16 PMPage 26 © 2005 Mitchell Repair Information Company, LLC.

Fig. 19: Air Bag System Wiring Diagram (1991 RX7)
Courtesy of MAZDA MOTORS CORP.

1991 Mazda MX-5 Miata
AIR BAG RESTRAINT SYSTEM MAZDA 1990-91 AIR BAGS
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Sunday, July 05, 2009 2:11:16 PMPage 27 © 2005 Mitchell Repair Information Company, LLC.

WIRING DIAGRAMS
Rear12-17 (16-23)
Brake Line Nuts10-16 (14-22)
Hydraulic Unit Mounting Nuts
Miata & 92914-19 (19-26)
RX712-21 (16-28)
Speed Sensor Bolt12-17 (16-23)
Union Bolt14-22 (19-30)
Wheel Bearing Nut (1)
Miata
Front123-159 (167-216)
Rear159-217 (216-294)
RX7
Front(1) 14-22 (19-30)
Rear174-231 (235-314)
929
Front72-130 (98-176)
Rear174-231 (235-314)
(1)Tighten and loosen 2 or 3 times to seat bearing.

1991 Mazda MX-5 Miata
ANTI-LOCK BRAKE SYSTEM 1988-91 BRAKES Mazda Anti-Lock Brake System
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Fig. 27: Anti-Lock Brake System Wiring Diagram (Miata)

1991 Mazda MX-5 Miata
ANTI-LOCK BRAKE SYSTEM 1988-91 BRAKES Mazda Anti-Lock Brake System
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Sunday, July 05, 2009 2:17:32 PMPage 33 © 2005 Mitchell Repair Information Company, LLC.

Fig. 28: Anti-Lock Brake System Wiring Diagram (RX7)
Fig. 29: Anti-Lock Brake System Wiring Diagram (929)

1991 Mazda MX-5 Miata
ANTI-LOCK BRAKE SYSTEM 1988-91 BRAKES Mazda Anti-Lock Brake System
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Sunday, July 05, 2009 2:17:32 PMPage 34 © 2005 Mitchell Repair Information Company, LLC.

Drain coolant. Disconnect heater hoses at engine compartment firewall. Remove grommets from holes (if
equipped). Remove instrument panel. Remove heater case. Disassemble case and remove heater core. See Fig.
1 . To install, reverse removal procedure. Fill cooling system.
INSTRUMENT PANEL
Removal & Installation
Obtain code number and deactivate audio anti-theft system. Disconnect negative battery cable. Remove all
components in order listed in illustration. See Fig. 3
. To install, reverse removal procedure.
Fig. 3: Exploded View of Instrument Panel

Courtesy of MAZDA MOTORS CORP.
WIRING DIAGRAM

1991 Mazda MX-5 Miata
HEATER SYSTEM 1990-92 Heater Systems
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