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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1993 Toyota MR2 car and truck
repair procedures including Toyota engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your 1993 Toyota MR2 automobile. Try the Automotix DIY solution today!
We have info for following modifications of 1993 Toyota MR2
- 1993 Toyota MR2 2.2 L4 GAS, CC:2164, Fuel Injection, Engine VIN:, Desg:S
- 1993 Toyota MR2 2.0 L4 GAS, CC:1998, Fuel Injection, Engine VIN:, Desg:S
A/C & HEATER SERVICE PROCEDURES FOR 1993 Toyota MR2 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1993 Toyota MR2 cars and light trucks from 1990+
Air Bag System Precautions -> Toyota -> Arming
Vehicle: 1993 Toyota MR2 2.0 L4 GAS
- Ensure ignition switch is in Lock position.
- Reconnect battery ground cable.
- Wait at least 10 seconds before turning the ignition switch from the Lock position.
- Place ignitio...
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A/C & HEATER SERVICE PROCEDURES FOR 1993 Toyota MR2 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1993 Toyota MR2 cars and light trucks from 1990+
Toyota -> Manual Air Conditioning & Heater System Diagnosis & Testing -> DIAGNOSIS & TESTING -> A/C AMPLIFIER -> A/C BLOWER CONTROL SWITCH -> A/C COOL BOX AMPLIFIER -> A/C SWITCH -> Avalon -> Avalon, Camry, Celica, Land Cruiser, MR2 & Previa -> BLOWER RESISTOR -> Camry -> Celica -> COMPRESSOR -> COOL BOX SWITCH INSPECTION -> Corolla -> Corolla, Paseo, Pickup, Tercel, T100 & 4Runner -> Except Supra -> EXPANSION VALVE INSPECTION -> Land Cruiser -> MODE CONTROL SWITCH INSPECTION -> MR2 -> Paseo & Tercel -> Pickup, T100 & 4Runner -> Previa -> REFRIGERANT SYSTEM DIAGNOSIS -> RELAYS -> REVOLUTION DETECTING SENSOR INSPECTION -> THERMISTOR INSPECTION
Vehicle: 1993 Toyota MR2 2.2 L4 GAS
REFRIGERANT SYSTEM DIAGNOSIS
To diagnose system, connect manifold gauge set to high and low sides of system, then observe gauge readings with engine operating at 1,500 RPM, blower speed on high and temperature control set at Max Cool. Refer to charts, Figs. through , for system diagnosis.
High side reading should be 200-228 psi, while low side reading should be 21-35 psi. at ambient temperature of 86-95°F.
A/C SWITCH
Corolla, Paseo, Pickup, Tercel, T100 & 4Runner
- Disconnect switch electrical connector, then remove switch. Using an ohmm...
CLICK HERE TO GET FULL ACCESS TO 1993 Toyota MR2 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1993 Toyota MR2 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1993 Toyota MR2 cars and light trucks from 1990+
Toyota -> Variable Speed Cooling Fans -> DIAGNOSIS & TESTING -> COOLING FAN ECU -> SOLENOID VALVE -> WATER TEMPERATURE SENSOR
Vehicle: 1993 Toyota MR2 2.2 L4 GAS
SOLENOID VALVE
Using an ohmmeter, measure solenoid valve resistance. Resistance should be 7.6-8.0 ohms at 77°F. If resistance is not as specified, replace solenoid valve.
COOLING FAN ECU
Refer...
CLICK HERE TO GET FULL ACCESS TO 1993 Toyota MR2 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1993 Toyota MR2 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1993 Toyota MR2 cars and light trucks from 1990+
Cooling System Capacities -> Toyota -> 1992-2002
Vehicle: 1993 Toyota MR2 2.0 L4 GAS
CLICK HERE TO GET FULL ACCESS TO 1993 Toyota MR2 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1993 Toyota MR2 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1993 Toyota MR2 cars and light trucks from 1990+
Toyota -> Manual Air Conditioning & Heater System Diagnosis & Testing -> A/C SYSTEM TROUBLESHOOTING -> Air Temperature Control Inoperative -> Air Temperature Control Not Functioning -> All Systems -> AVALON -> CAMRY -> CELICA -> Compressor Operates Immediately -> Compressor Operates Intermittently -> Cool Air Comes Out Immediately -> Cool Air Comes Out Intermittently -> Cool Air Comes Out Only At High Engine RPM -> Cool Air Comes Out Only At High Engine Speed -> Cool Air Comes Out Only At High Speed -> Cool Box -> COROLLA -> Front -> INSUFFICIENT AIR FLOW -> Insufficient Cool Air Flow -> INSUFFICIENT COOLING -> Insufficient Flow Of Cool Air -> Insufficient Flow Of Warm Air -> Insufficient Warm Air Flow -> LAND CRUISER -> MR2 -> No Air Flow Mode Control -> No Air Inlet Control -> No Air Temperature Control -> NO BLOWER CONTROL -> No Blower Operation -> No Compressor Operation -> No Condenser Fan Operation -> NO COOL AIR COMES OUT -> No Engine Idle Up When A/C Switch On -> No Engine Idle Up With A/C Switch On -> No Engine Idle-Up When A/C Switch Is On -> No Engine Idle-Up With A/C Switch On -> NO WARM AIR COMES OUT -> PASEO & TERCEL -> PICKUP, T100 & 4RUNNER -> PREVIA -> Rear -> SUPRA
Vehicle: 1993 Toyota MR2 2.2 L4 GAS
CELICA
No Blower Operation
- Faulty fusible link.
- Faulty blower resistor.
- Faulty blower motor.
- Fault in A/C control assembly.
- Fault in wiring or wiring connection.
No Blower Control
- Fault in A/C control assembly.
- Fault in wiring or wiring connection.
No Air Flow Mode Control
- Faulty air outlet servomotor.
- Fault in A/C control assembly.
- Fault in wiring or wiring connection.
No Air Inlet Control
- Faulty air inlet servomotor.
- Fault in A/C con...
CLICK HERE TO GET FULL ACCESS TO 1993 Toyota MR2 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1993 Toyota MR2 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1993 Toyota MR2 cars and light trucks from 1990+
Air Bag System Precautions -> Toyota -> Disarming
Vehicle: 1993 Toyota MR2 2.0 L4 GAS
The Supplemental Restraint System (SRS) incorporates a back up energy source that can maintain sufficient voltage to cause a deployment for up to 90 seconds after the ignition switch is turned off and the battery is disconnected.
When the battery is disconnected all vehicle memory is lost, make notes of radio station settings. Never use a back-up power source from outside the vehicle.
- Note radio station settings before disconnecting battery, as all vehicle memory will be lost.
- Place ...
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