Corrado L4-1781cc 1.8L SOHC SC (PG) (1990): Powertrain Management
Also for this vehicle: Corrado L4-1781cc 1.8L SOHC SC (1991), Corrado V6-2792cc 2.8L DOHC (1992).
Diagnostics
Maintenance
Engine
Transmission
Brakes
Electrical
Steering & suspension
Heating & A/C
Body & interior
Choose Sections to see everything in a chapter, or a chapter title to start at its first page.
Relays and Modules - Powertrain Management68 pages
Relays and Modules - Computers and Control Systems37 pages
Active Aerodynamics Control Module › Component Information › Technical Service Bulletins3 pages
- All Technical Service Bulletins: › 669001 › Mar › 90 › Speed Sensitive Rear Spoiler - Noisy or Sticking
- Customer Interest: › 669001 › Mar › 90 › Speed Sensitive Rear Spoiler - Noisy or Sticking
- All Other Service Bulletins for Active Aerodynamics Control Module: › 949302 › May › 93 › Turn Signal/Headlight High Beams - Inoperative
- All Other Service Bulletins for Active Aerodynamics Control Module: › 949302 › May › 93 › Turn Signal/Headlight High Beams - Inoperative
- Electronic Spark Control Module › Component Information › Locations
Engine Control Module › Component Information24 pages
Technical Service Bulletins8 pages
All Technical Service Bulletins for Engine Control Module:4 pages
- Customer Interest: › 279501 › Jan › 95 › ECM - Inoperative Due to Improper Battery Charging
All Other Service Bulletins for Engine Control Module:3 pages
- Diagrams › Diagram Information and Instructions234567891011
- Testing and Inspection › Digifant II System Electrical Checking2345
Feedback Control Module › Component Information › Technical Service Bulletins2 pages
- Digital Idle Stabilizer <--> [Idle/Throttle Speed Control Unit] › Component Information › Locations23
Power Supply Relay <--> [Main Relay (Computer/Fuel System)] › Component Information › Technical Service Bulletins4 pages
All Technical Service Bulletins for Power Supply Relay:2 pages
Customer Interest for Power Supply Relay:2 pages
Relays and Modules - Fuel Delivery and Air Induction19 pages
- Digital Idle Stabilizer <--> [Idle/Throttle Speed Control Unit] › Component Information › Locations23
Power Supply Relay <--> [Main Relay (Computer/Fuel System)] › Component Information › Technical Service Bulletins4 pages
All Technical Service Bulletins for Power Supply Relay:2 pages
Customer Interest for Power Supply Relay:2 pages
Sensors and Switches - Powertrain Management140 pages
Sensors and Switches - Computers and Control Systems93 pages
- Air Flow Meter/Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011
- Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011
Coolant Temperature Sensor/Switch (For Computer) › Component Information15 pages
Technical Service Bulletins4 pages
- All Technical Service Bulletins for Coolant Temperature Sensor/Switch (For Computer): › 249304 › Nov › 93 › MIL ON - Poor Idle/Stalls, Loss of Power, Exhaust Smoke2
- Customer Interest for Coolant Temperature Sensor/Switch (For Computer): › 249304 › Nov › 93 › MIL ON - Poor Idle/Stalls, Loss of Power, Exhaust Smoke2
- Diagrams › Diagram Information and Instructions234567891011
Engine Temperature Sensor › Component Information › Technical Service Bulletins4 pages
Ignition Hall Effect Sensor › Component Information3 pages
- Knock Sensor › Component Information › Technical Service Bulletins › Knock Sensor - New Checking Procedure2345
Oxygen Sensor › Component Information19 pages
Technical Service Bulletins5 pages
All Technical Service Bulletins:2 pages
- Customer Interest: › 249401 › Jan › 94 › Engine - Poor Driveability
- All Other Service Bulletins for Oxygen Sensor: › 909203 › Feb › 92 › Coolant Indicator LED - Flashing At Normal Temp2
- All Other Service Bulletins for Oxygen Sensor: › 909203 › Feb › 92 › Coolant Indicator LED - Flashing At Normal Temp
- Diagrams › Diagram Information and Instructions234567891011
- Testing and Inspection › Control Checking23
- Idle Switch <--> [Throttle Full Close Switch] › Component Information › Locations23456
- Full Throttle Switch <--> [Throttle Full Open Switch] › Component Information › Locations23456
- Gear Selector Switch <--> [Transmission Position Switch/Sensor, A/T] › Component Information › Description and Operation
Sensors and Switches - Fuel Delivery and Air Induction24 pages
- Air Flow Meter/Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011
- Fuel Pressure Sensor/Switch › Component Information › Locations
- Idle Switch <--> [Throttle Full Close Switch] › Component Information › Locations23456
- Full Throttle Switch <--> [Throttle Full Open Switch] › Component Information › Locations23456
Sensors and Switches - Ignition System23 pages
- Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011
Hall Effect Sensor, Ignition › Component Information3 pages
Ignition Hall Effect Sensor › Component Information3 pages
- Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Service and Repair
- Knock Sensor › Component Information › Technical Service Bulletins › Knock Sensor - New Checking Procedure2345
Tune-up and Engine Performance Checks37 pages
- Fuel Pressure › System Information › Specifications
Air/Fuel Mixture › System Information5 pages
- Idle Speed › System Information › Specifications23
Fuel Filter › Component Information › Technical Service Bulletins9 pages
- Recalls: › NHTSA91V068000 › Apr › 91 › Recall 91V068000: Fuel Filter Housing Deformation
All Technical Service Bulletins for Fuel Filter:4 pages
- Customer Interest: › 209402 › Dec › 94 › Fuel System - Poor Engine Performance23
- All Other Service Bulletins for Fuel Filter: › 669001 › Mar › 90 › Speed Sensitive Rear Spoiler - Noisy or Sticking
- All Other Service Bulletins for Fuel Filter: › 669001 › Mar › 90 › Speed Sensitive Rear Spoiler - Noisy or Sticking
- Firing Order › Component Information › Specifications
Ignition Cable › Component Information › Technical Service Bulletins4 pages
Customer Interest for Ignition Cable:2 pages
All Technical Service Bulletins for Ignition Cable:2 pages
Distributor, Ignition6 pages
Distributor Cap › Component Information › Technical Service Bulletins3 pages
- All Technical Service Bulletins: › 289101 › Oct › 91 › Engine - No Start, Hard Start, or Poor Running
- Customer Interest: › 289101 › Oct › 91 › Engine - No Start, Hard Start, or Poor Running
- All Other Service Bulletins for Distributor Cap: › 249101 › Jan › 91 › Engine - Does Not Start on First Attempt
- All Other Service Bulletins for Distributor Cap: › 249101 › Jan › 91 › Engine - Does Not Start on First Attempt
Distributor Noise Shield › Component Information › Technical Service Bulletins2 pages
- Ignition Rotor › Component Information › Specifications
- Spark Plug › Component Information › Service and Repair2
- Compression Check › System Information › System Diagnosis
- Valve Clearance › System Information › Specifications2
Computers and Control Systems266 pages
Active Aerodynamics Control Module › Component Information › Technical Service Bulletins2 pages
- Air Flow Meter/Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011
- Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011
Coolant Temperature Sensor/Switch (For Computer) › Component Information16 pages
Technical Service Bulletins5 pages
- Customer Interest: › 249304 › Nov › 93 › MIL ON - Poor Idle/Stalls, Loss of Power, Exhaust Smoke2
- All Technical Service Bulletins: › 249304 › Nov › 93 › MIL ON - Poor Idle/Stalls, Loss of Power, Exhaust Smoke2
- All Other Service Bulletins for Coolant Temperature Sensor/Switch (For Computer): › 199001 › Nov › 90 › Radiator Fan - Stays On High Speed When Extremely Cold
- All Other Service Bulletins for Coolant Temperature Sensor/Switch (For Computer): › 199001 › Nov › 90 › Radiator Fan - Stays On High Speed When Extremely Cold
- Diagrams › Diagram Information and Instructions234567891011
- Electronic Spark Control Module › Component Information › Locations
Engine Control Module › Component Information22 pages
Technical Service Bulletins6 pages
- Customer Interest: › 279501 › Jan › 95 › ECM - Inoperative Due to Improper Battery Charging
- All Other Service Bulletins for Engine Control Module: › 669001 › Mar › 90 › Speed Sensitive Rear Spoiler - Noisy or Sticking
- All Other Service Bulletins for Engine Control Module: › 669001 › Mar › 90 › Speed Sensitive Rear Spoiler - Noisy or Sticking
- Diagrams › Diagram Information and Instructions234567891011
- Testing and Inspection › Digifant II System Electrical Checking2345
Engine Temperature Sensor › Component Information › Technical Service Bulletins4 pages
Feedback Control Module › Component Information › Technical Service Bulletins2 pages
Ignition Hall Effect Sensor › Component Information3 pages
Idle Speed/Throttle Actuator - Electronic › Component Information › Technical Service Bulletins2 pages
- Idle Boost Valve <--> [Idle Up Control Valve] › Component Information › Locations
- Digital Idle Stabilizer <--> [Idle/Throttle Speed Control Unit] › Component Information › Locations23
- Knock Sensor › Component Information › Technical Service Bulletins › Knock Sensor - New Checking Procedure2345
Power Supply Relay <--> [Main Relay (Computer/Fuel System)] › Component Information › Technical Service Bulletins4 pages
All Technical Service Bulletins for Power Supply Relay:2 pages
Customer Interest for Power Supply Relay:2 pages
- Engine Check Light <--> [Malfunction Indicator Lamp] › Component Information › Description and Operation
- C.O. Adjustment Screw <--> [Mixture Calibration Potentiometer] › Component Information › Locations
Oxygen Sensor › Component Information21 pages
Technical Service Bulletins7 pages
All Technical Service Bulletins:2 pages
- Customer Interest: › 249401 › Jan › 94 › Engine - Poor Driveability
All Other Service Bulletins for Oxygen Sensor:4 pages
All Other Service Bulletins for Oxygen Sensor:0 pages
- 929502 › Apr › 95 › Wiper Blades - Jerk or Skip Across Windshield
- 929001 › Jun › 90 › Wiper Blade - Smearing Windshield
- 929012 › Jun › 90 › Wiper Blade - Chatter and Skipping
- Diagrams › Diagram Information and Instructions234567891011
- Testing and Inspection › Control Checking23
Relays and Modules - Computers and Control Systems39 pages
Active Aerodynamics Control Module › Component Information › Technical Service Bulletins3 pages
- All Technical Service Bulletins: › 669001 › Mar › 90 › Speed Sensitive Rear Spoiler - Noisy or Sticking
- Customer Interest: › 669001 › Mar › 90 › Speed Sensitive Rear Spoiler - Noisy or Sticking
- All Other Service Bulletins for Active Aerodynamics Control Module: › 929001 › Jun › 90 › Wiper Blade - Smearing Windshield
- All Other Service Bulletins for Active Aerodynamics Control Module: › 929001 › Jun › 90 › Wiper Blade - Smearing Windshield
- Electronic Spark Control Module › Component Information › Locations
Engine Control Module › Component Information24 pages
Technical Service Bulletins8 pages
- Customer Interest: › 279501 › Jan › 95 › ECM - Inoperative Due to Improper Battery Charging
All Technical Service Bulletins for Engine Control Module:4 pages
All Other Service Bulletins for Engine Control Module:3 pages
- Diagrams › Diagram Information and Instructions234567891011
- Testing and Inspection › Digifant II System Electrical Checking2345
Feedback Control Module › Component Information › Technical Service Bulletins3 pages
- Customer Interest: › 249101 › Jan › 91 › Engine - Does Not Start on First Attempt
- All Technical Service Bulletins: › 249101 › Jan › 91 › Engine - Does Not Start on First Attempt
- All Other Service Bulletins for Feedback Control Module: › 019707 › Apr › 97 › Engine - Intermittent No Start, DTC's Set in TCM
- All Other Service Bulletins for Feedback Control Module: › 019707 › Apr › 97 › Engine - Intermittent No Start, DTC's Set in TCM
- Digital Idle Stabilizer <--> [Idle/Throttle Speed Control Unit] › Component Information › Locations23
Power Supply Relay <--> [Main Relay (Computer/Fuel System)] › Component Information › Technical Service Bulletins5 pages
All Technical Service Bulletins:2 pages
- All Other Service Bulletins for Power Supply Relay: › 289101 › Oct › 91 › Engine - No Start, Hard Start, or Poor Running
- All Other Service Bulletins for Power Supply Relay: › 289101 › Oct › 91 › Engine - No Start, Hard Start, or Poor Running
Sensors and Switches - Computers and Control Systems92 pages
- Air Flow Meter/Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011
- Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011
Coolant Temperature Sensor/Switch (For Computer) › Component Information15 pages
Technical Service Bulletins4 pages
- All Technical Service Bulletins for Coolant Temperature Sensor/Switch (For Computer): › 249304 › Nov › 93 › MIL ON - Poor Idle/Stalls, Loss of Power, Exhaust Smoke2
- Customer Interest for Coolant Temperature Sensor/Switch (For Computer): › 249304 › Nov › 93 › MIL ON - Poor Idle/Stalls, Loss of Power, Exhaust Smoke2
- Diagrams › Diagram Information and Instructions234567891011
Engine Temperature Sensor › Component Information › Technical Service Bulletins4 pages
Ignition Hall Effect Sensor › Component Information3 pages
- Knock Sensor › Component Information › Technical Service Bulletins › Knock Sensor - New Checking Procedure2345
Oxygen Sensor › Component Information18 pages
Technical Service Bulletins4 pages
All Technical Service Bulletins for Oxygen Sensor:2 pages
- Customer Interest: › 249401 › Jan › 94 › Engine - Poor Driveability
- All Other Service Bulletins for Oxygen Sensor: › 269302 › Jul › 93 › Oxygen Sensor - Failure Due to Silicone
- Diagrams › Diagram Information and Instructions234567891011
- Testing and Inspection › Control Checking23
- Idle Switch <--> [Throttle Full Close Switch] › Component Information › Locations23456
- Full Throttle Switch <--> [Throttle Full Open Switch] › Component Information › Locations23456
- Gear Selector Switch <--> [Transmission Position Switch/Sensor, A/T] › Component Information › Description and Operation
- Idle Switch <--> [Throttle Full Close Switch] › Component Information › Locations23456
- Full Throttle Switch <--> [Throttle Full Open Switch] › Component Information › Locations23456
- Gear Selector Switch <--> [Transmission Position Switch/Sensor, A/T] › Component Information › Description and Operation
Emission Control Systems12 pages
- Catalytic Converter › Component Information › Technical Service Bulletins › Exhaust - Sulfur Odor Noticed At the Pipe
- Deceleration Valve › Component Information › Testing and Inspection
- Emissions Maintenance Light › Component Information › Service and Repair › Emission Control System (ESC) Lamp2
- Exhaust Gas Recirculation › EGR Maintenance Light › Component Information › Service and Repair
- Positive Crankcase Ventilation › PCV Heater › Component Information › Testing and Inspection
- Thermostatic Air Cleaner › Component Information › Description and Operation2
Fuel Delivery and Air Induction177 pages
- Fuel Pressure › System Information › Specifications
- Idle Speed › System Information › Specifications23
Air/Fuel Mixture › System Information5 pages
- Air Flow Meter/Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011
Fuel › Component Information › Technical Service Bulletins10 pages
All Technical Service Bulletins for Fuel:5 pages
- All Other Service Bulletins for Fuel: › 879002 › Sep › 90 › Air Conditioning - Inoperative
Fuel Filter › Component Information › Technical Service Bulletins12 pages
All Technical Service Bulletins for Fuel Filter:4 pages
- Customer Interest: › 209402 › Dec › 94 › Fuel System - Poor Engine Performance23
- Recalls: › NHTSA91V068000 › Apr › 91 › Recall 91V068000: Fuel Filter Housing Deformation
- All Other Service Bulletins for Fuel Filter: › NHTSA91V068000 › Apr › 91 › Recall 91V068000: Fuel Filter Housing Deformation
- All Other Service Bulletins for Fuel Filter: › 209402 › Dec › 94 › Fuel System - Poor Engine Performance23
Fuel Hose Clamp › Component Information › Technical Service Bulletins18 pages
All Technical Service Bulletins for Fuel Hose Clamp:9 pages
Fuel Injector › Component Information20 pages
Technical Service Bulletins4 pages
All Technical Service Bulletins for Fuel Injector:2 pages
- Customer Interest: › 249306 › Nov › 93 › Engine - Idle Speed Hunts When Cold
- All Other Service Bulletins for Fuel Injector: › WARR9008V › Jun › 90 › Warranty - Component Repair vs. Replacement Policy
- Diagrams › Diagram Information and Instructions2345678910111213
- Testing and Inspection › Checking Spray Pattern and Sealing23
- Fuel Pressure Regulator › Component Information › Locations23
- Fuel Pressure Sensor/Switch › Component Information › Locations
Fuel Rail › Component Information › Technical Service Bulletins4 pages
All Technical Service Bulletins for Fuel Rail:2 pages
- Fuel Supply Line › Component Information › Tools and Equipment
- Fuel Tank › Fuel Gauge Sender › Component Information › Technical Service Bulletins › Tools - Fuel Gauge Sending Unit
- Fuel Tank Unit › Component Information › Technical Service Bulletins › Tools - Fuel Gauge Sending Unit
Idle Speed/Throttle Actuator - Electronic › Component Information › Technical Service Bulletins2 pages
- Idle Boost Valve <--> [Idle Up Control Valve] › Component Information › Locations
- Digital Idle Stabilizer <--> [Idle/Throttle Speed Control Unit] › Component Information › Locations23
Power Supply Relay <--> [Main Relay (Computer/Fuel System)] › Component Information › Technical Service Bulletins4 pages
All Technical Service Bulletins for Power Supply Relay:2 pages
Customer Interest for Power Supply Relay:2 pages
Relays and Modules - Fuel Delivery and Air Induction19 pages
- Digital Idle Stabilizer <--> [Idle/Throttle Speed Control Unit] › Component Information › Locations23
Power Supply Relay <--> [Main Relay (Computer/Fuel System)] › Component Information › Technical Service Bulletins4 pages
Customer Interest for Power Supply Relay:2 pages
All Technical Service Bulletins for Power Supply Relay:2 pages
Sensors and Switches - Fuel Delivery and Air Induction24 pages
- Air Flow Meter/Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011
- Fuel Pressure Sensor/Switch › Component Information › Locations
- Idle Switch <--> [Throttle Full Close Switch] › Component Information › Locations23456
- Full Throttle Switch <--> [Throttle Full Open Switch] › Component Information › Locations23456
Supercharger › Air Bypass Valve, Supercharger › Component Information3 pages
- Throttle Body › Component Information › Testing and Inspection › Checking and Adjusting2
- Throttle Cable/Linkage › Component Information › Diagrams23
- Idle Switch <--> [Throttle Full Close Switch] › Component Information › Locations23456
- Full Throttle Switch <--> [Throttle Full Open Switch] › Component Information › Locations23456
Ignition System94 pages
- Firing Order › Component Information › Specifications
- Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011
- Ignition Coil Wire › Component Information › Specifications
Distributor, Ignition5 pages
Distributor Cap › Component Information › Technical Service Bulletins2 pages
Distributor Noise Shield › Component Information › Technical Service Bulletins2 pages
- Ignition Rotor › Component Information › Specifications
- Electronic Spark Control Module › Component Information › Locations
Hall Effect Sensor, Ignition › Component Information3 pages
Ignition Cable › Component Information › Technical Service Bulletins4 pages
Customer Interest for Ignition Cable:2 pages
All Technical Service Bulletins for Ignition Cable:2 pages
- Ignition Control Module › Component Information › Diagrams › Diagram Information and Instructions234567891011
- Knock Sensor › Component Information › Technical Service Bulletins › Knock Sensor - New Checking Procedure2345
Sensors and Switches - Ignition System23 pages
- Camshaft Position Sensor › Component Information › Diagrams › Diagram Information and Instructions234567891011
Hall Effect Sensor, Ignition › Component Information3 pages
Ignition Hall Effect Sensor › Component Information3 pages
- Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Service and Repair
- Knock Sensor › Component Information › Technical Service Bulletins › Knock Sensor - New Checking Procedure2345
- Spark Plug › Component Information › Service and Repair2
Transmission Control Systems27 pages
Actuators and Solenoids - Transmission and Drivetrain › Actuators and Solenoids - A/T3 pages
Relays and Modules - Transmission and Drivetrain › Relays and Modules - A/T7 pages
Control Module, A/T › Component Information › Technical Service Bulletins5 pages
- Customer Interest: › 389302 › May › 93 › A/T - Vehicle Will Not Move In Drive
- All Other Service Bulletins for Control Module: › 289101 › Oct › 91 › Engine - No Start, Hard Start, or Poor Running
- All Other Service Bulletins for Control Module: › 289101 › Oct › 91 › Engine - No Start, Hard Start, or Poor Running
- Transmission Position Relay, A/T › Component Information › Locations2
Sensors and Switches - Transmission and Drivetrain › Sensors and Switches - A/T17 pages
- Brake Switch - TCC › Component Information › Locations2
- Downshift Switch, A/T › Component Information › Locations234
- Shift Interlock Switch › Component Information › Locations2
- Transmission Mode Switch, A/T › Component Information › Locations23
- Gear Selector Switch <--> [Transmission Position Switch/Sensor, A/T] › Component Information › Description and Operation
- Transmission Speed Sensor, A/T › Component Information › Locations23
- Transmission Temperature Sensor/Switch, A/T › Component Information › Technical Service Bulletins › A/T - Valve Body Conductor Strip w/Fluid Temp Sensor R&R2