BUZZERS & RELAYS
| Component | Location | |
|---|---|---|
| A/C Relay | On right front fender apron. | |
| Choke Heater Relay | On right front fender apron. | |
| Day/Night Illumination Relay | Under dashboard behind radio. (Scheme 2)& (Scheme 3). | |
| EEC Power Relay | On right kick panel. | |
| Engine Temp. Warning Buzzer | On upper left corner of fuse block. (Scheme 3) | |
| Fuel Pump Relay | ||
| Diesel | On right kick panel. | |
| 2.3L & 2.9L EFI | On right front fender apron above heelwell. (Scheme 5) | |
| Glow Plug Relays | On left front fender apron above wheelwell. (Scheme 1) | |
| Hazard Flasher Relay | On rear of fuse block. (Scheme 2), (Scheme 3) & (Scheme 4). | |
| Horn Relay | Under dashboard behind speed control amplifier. | |
| Low Oil Relay | Under center of dashboard on bracket. (Scheme 2)& (Scheme 3). | |
| Multi-Function Warning Buzzer | Under right side of dashboard above glove box. (Scheme 2)& (Scheme 3). | |
| Power Door Lock Relays | Above left headlight on radiator support. (Scheme 1) | |
| Power Window Relay | Above left headlight on radiator support. (Scheme 1) | |
| Rear Window Defroster Timer Relay | In rear window defroster switch. | |
| Starter Relay | ||
| Diesel | On left front wheelwell. (Scheme 1) | |
| 2.3L EFI | On right front fender apron behind battery. (Scheme 5) | |
| Trailer Light Relay | On rear of radiator support outboard of left headlight. | |
| Turn Signal Flasher Relay | On front of fuse block. | |
BUZZERS & RELAYS LOCATION
CONTROL UNITS
| Component | Location |
|---|---|
| ABS Control Module | Behind left door pillar panel. |
| Diesel A/C Cut-Out Control Module | Near A/C switch. |
| Diesel Control Module | On right kick panel. |
| Electronic Control Assembly (ECA) | On right kick panel. |
| Electronic Shift Control Module | Under upper left side of dashboard next to speaker. |
| Idle Speed Module (2.0L) | On right front wheelwell. |
| Lamp Out Module | In floor console. |
| Low Fuel Warning Module | In floor console. |
CONTROL UNITS LOCATION
SENDING UNITS/SENSORS
| Component | Location | |
|---|---|---|
| Air Charge Temp. (ACT) Sensor | ||
| 2.3L EFI | On lower intake manifold. (Scheme 7) | |
| 2.9L EFI | On right side of upper intake manifold. | |
| Coolant Temp. Sending Unit/Switch | ||
| Diesel | On front of cylinder head. | |
| 2.0L & 2.3L EFI | On left rear side of block above oil filter. (Scheme 8) | |
| 2.9L EFI | On top front of lower intake manifold. | |
| Detonation (Knock) Sensor | ||
| 2.3L EFI | In upper intake manifold. (Scheme 7) | |
| 2.9L EFI | On lower left rear side of engine block. | |
| EGR Valve Position Sensor | On EGR valve. | |
| Electronic Shift Position Sensor | Inside electric shift motor on transfer case. (Scheme 6) | |
| Electronic Shift Speed Sensor | On rear of transfer case. (Scheme 6) | |
| Engine Coolant Temp. (ECT) Sensor | ||
| Diesel | On left rear corner of cylinder head. | |
| 2.3L & 2.9L EFI | On lower intake manifold. (Scheme 7) | |
| Extended Useful Life Sensor | Under right side of dashboard above glove box. (Scheme 3) | |
| Inferred Mileage Sensor | Above right front corner of glove box. | |
| Low Oil Level Sensor | On side of oil pan. | |
| MAP Sensor | On right front fender apron above wheelwell. (Scheme 5) | |
| Oil Pressure Sending Unit/Switch | ||
| Diesel | On oil filter adapter plate. | |
| 2.0L & 2.3L EFI | On left rear side of cylinder head. (Scheme 8) | |
| 2.9L EFI | On lower forward left side of engine. (Scheme 8) | |
| Oxygen Sensor | ||
| 2.3L EFI | In exhaust manifold near flange. | |
| 2.9L EFI | On left exhaust manifold. | |
| Vehicle Speed Sensor | ||
| 2WD | On tailshaft housing. | |
| 4WD | On transfer case. | |
| Throttle Position Sensor (EFI) | On throttle body. | |
| Water-In-Fuel Sensor | In fuel conditioner on left rear corner of cylinder head. | |
SENDING UNITS/SENSORS LOCATION
MOTORS
| Component | Location |
|---|---|
| A/C-Heater Blower Motor | In engine bay on right side of firewall. |
| Electronic Shift Motor | On left rear of transfer case. (Scheme 6) |
| High Pressure Fuel Pump (Diesel & EFI) | On left frame rail. |
| Idle Speed Control (ISC) Motor | On right side of carburetor. |
| Liftgate Washer Pump | Behind right rear wheelwell on reservoir. |
| Liftgate Wiper Motor | In top center of liftgate. |
| Windshield Washer Pump | On bottom of windshield washer reservoir. |
| Windshield Wiper Motor | In engine bay on center of firewall. |
MOTORS LOCATION
SOLENOIDS/SOLENOID VALVES
| Component | Location | |
|---|---|---|
| Air By-Pass Solenoid | ||
| 2.3L EFI | On upper air cleaner housing. | |
| 2.9L EFI | On intake manifold. | |
| Bowl Vent Solenoid | On left side of engine near carburetor. | |
| Canister Purge Solenoid | On left side of engine near carburetor. | |
| EGRC & EGRV Sol. Valves | On right front fender apron above wheelwell. (Scheme 5) | |
| Fuel Cut-Off Solenoid (Diesel) | On upper rear of injection pump. | |
| Mixture Control Solenoid | On rear of carburetor. | |
| Therm. Air (TAB & TAD) Solenoid Valves | On right front fender apron. | |
| Throttle Position Solenoid | On right front fender apron. | |
| Torque Converter Clutch Solenoid | Inside automatic transmission. | |
| Vacuum Control Solenoid (Diesel) | In left rear corner of engine bay. | |
SOLENOIDS/SOLENOID VALVES LOCATION
SWITCHES
| Component | Location | |
|---|---|---|
| A/C Clutch Cycling Pressure Switch | On A/C accumulator/drier at right side of engine. | |
| Back-Up Light Switch | ||
| Mazda Transmission | On left side of tailshaft extension. (Scheme 9) | |
| MMC Transmission | On right side of transmission. (Scheme 9) | |
| Back-Up/Neutral Switch (A/T) | On left side of transmission. | |
| Brake/Stop Light Switch (Cruise) | On brake pedal bracket. | |
| Clutch Switch (Cruise) | On top of clutch pedal bracket. | |
| Differential Lock-Out Ind. Switch | On left side of transfer case. | |
| Dual Brake Warning Switch | On left front frame rail. | |
| Inertia Switch | Under right center of dashboard on firewall. | |
| Low Vacuum Warning Switch (Diesel) | On left front wheelwell. (Scheme 1) | |
| Neutral Sensing Switch (EFI Only) | On transmission shifter tower flange. (Scheme 9) | |
| Power Steering Pump Pressure Switch | On left side of power steering pump. | |
| Seat Belt Switch | In driver's seat belt buckle. | |
| Top Gear Switch | ||
| Mazda Transmission | On left side of tailshaft extension. (Scheme 9) | |
| MMC Transmission | On right side of transmission. (Scheme 9) | |
SWITCHES LOCATION
MISCELLANEOUS COMPONENTS
| Component | Location | ||
|---|---|---|---|
| A/C-Heater Blower Motor Resistors | On A/C blower housing near motor. | ||
| Circuit Breakers | On fuse block. | ||
| Dropping Resistor | On left front wheelwell below headlight. (Scheme 1) | ||
| Fuse Block | Under dashboard at left of steering column. (Scheme 2), (Scheme 3) & (Scheme 4). | ||
| Fusible Links | |||
| Diesel | |||
| A, B, C, D, E, G, H, P & W | On left front fender apron at starter relay. | ||
| Gasoline | |||
| A, B, C, L, P, R & W | On right front fender apron at starter relay. | ||
| D, E & X | On left front fender apron below voltage regulator. | ||
| M | On right kick panel at EEC power relay. | ||
| In-Line Circuit Breaker (Rear Wiper) | Under right side of dashboard above glove box. | ||
| In-Line Diodes | |||
| A/C Clutch | In wiring harness behind alternator. | ||
| Cargo Lamp | Above left quarter window or left rear door (crew cab). | ||
| In-Line Resistor | On left side of firewall taped to engine bay harness. | ||
| Self-Test Connectors | On top of right front wheelwell. (Scheme 5) | ||
| Speed Control Amplifier | Under dashboard at right of steering column. | ||
| Speed Control Servo | On left front wheelwell. | ||
| Electronic Shift Magnetic Clutch | On transfer rear output shaft inside case. (Scheme 6) | ||
| Windshield Wiper Interval Governor | Under dashboard above brake pedal support bracket. (Scheme 4) | ||
MISCELLANEOUS COMPONENTS LOCATION
COMPONENT LOCATION GRAPHICS
Note. Figures may show multiple component locations. Refer to appropriate table for proper figure references.
