Pickup 2WD L4-2.3L (4ZD1) (1988): Powertrain Management
Also for this vehicle: Pickup 2WD L4-2254cc 2.3L SOHC (4ZD1) MFI (1994), Pickup 2WD L4-2559cc 2.6L SOHC (4ZE1) (1993), Pickup 2WD V6-3137cc 3.1L (CPC) (1991), Pickup 4WD L4-1949cc (G200z) (1988), Pickup 4WD L4-2.3L (4ZD1) (1989), Pickup 4WD L4-2559cc 2.6L SOHC (4ZE1) (1988), Pickup 4WD V6-3137cc 3.1L (CPC) (1993), Pickup L4-1817cc (G180z) (1982), Pickup L4-1949cc (G200z) (1984), Pickup L4-2238cc DSL (C223) (1983), Pickup L4-2254cc 2.3L SOHC (1986).
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 Management7 pages
Relays and Modules - Computers and Control Systems › Engine Control Module › Component Information5 pages
- Relays and Modules - Emission Control Systems › EFE Relay › Component Information › Locations
- Relays and Modules - Ignition System › Ignition Control Module › Component Information › Testing and Inspection
Sensors and Switches - Powertrain Management29 pages
Sensors and Switches - Computers and Control Systems21 pages
- Barometric Pressure Switch › Component Information › Description and Operation
- Crankshaft Position Sensor › Component Information › Testing and Inspection
- Engine Speed Sensor › Component Information › Locations
- Engine Temperature Sensor › Component Information › Specifications23
- Intake Air Temperature Sensor › Component Information › Specifications2
- Oxygen Sensor › Component Information › Locations23
- Throttle Full Close Switch › Component Information › Testing and Inspection2
- Throttle Full Open Switch › Component Information › Locations23
- Throttle Position Sensor › Component Information › Specifications2
Vacuum Switch › Component Information3 pages
Sensors and Switches - Fuel Delivery and Air Induction7 pages
- Sensors and Switches - Ignition System › Crankshaft Position Sensor › Component Information › Testing and Inspection
Tune-up and Engine Performance Checks19 pages
- Fuel Pressure › System Information › Specifications2
- Air/Fuel Mixture › System Information › Adjustments › Idle Mixture Adjustment Non-Calif.2
- Idle Speed › System Information › Specifications
- Air Cleaner Housing › Component Information › Technical Service Bulletins › Air Cleaner - Center Bolt Tightening Precautions
- Fuel Filter › Fuel Pressure Release › System Information › Service Precautions
- Firing Order › Component Information › Specifications
Distributor, Ignition › Component Information4 pages
- Spark Plug › Component Information › Specifications
- Valve Clearance › System Information › Specifications234
Computers and Control Systems62 pages
- Intake Air Temperature Sensor › Component Information › Specifications2
- Auxiliary Air Valve (Idle Speed) › Component Information › Technical Service Bulletins › Air Regulator - Test Procedure, Correction2
- Barometric Pressure Switch › Component Information › Description and Operation
- Crankshaft Position Sensor › Component Information › Testing and Inspection
- EGR Backpressure Transducer › Component Information › Description and Operation
Engine Control Module › Component Information5 pages
- Engine Speed Sensor › Component Information › Locations
- Engine Temperature Sensor › Component Information › Specifications23
- Idle Up Control Valve › Component Information › Technical Service Bulletins › Air Regulator - Test Procedure, Correction2
- Malfunction Indicator Lamp › Component Information › Description and Operation
- Mixture Control Solenoid › Component Information › Specifications23
- Mixture Control Solenoid - Slow Cut › Component Information › Testing and Inspection
- Oxygen Sensor › Component Information › Locations23
Relays and Modules - Computers and Control Systems › Engine Control Module › Component Information5 pages
Sensors and Switches - Computers and Control Systems21 pages
- Barometric Pressure Switch › Component Information › Description and Operation
- Crankshaft Position Sensor › Component Information › Testing and Inspection
- Engine Speed Sensor › Component Information › Locations
- Engine Temperature Sensor › Component Information › Specifications23
- Intake Air Temperature Sensor › Component Information › Specifications2
- Oxygen Sensor › Component Information › Locations23
- Throttle Full Close Switch › Component Information › Testing and Inspection2
- Throttle Full Open Switch › Component Information › Locations23
- Throttle Position Sensor › Component Information › Specifications2
Vacuum Switch › Component Information3 pages
- Throttle Full Close Switch › Component Information › Testing and Inspection2
- Throttle Full Open Switch › Component Information › Locations23
- Throttle Position Sensor › Component Information › Specifications2
Vacuum Switch › Component Information3 pages
Emission Control Systems37 pages
Air Injection11 pages
- Vacuum Switching Valve <--> [Air Injection Vacuum Control Solenoid Valve] › Component Information › Locations23
- Air Injection Check Valve › Component Information › Description and Operation2
- Air Switching Valve <--> [Air Injection Control Valve] › Component Information › Description and Operation › Air Switching Valve--Calif.2
- Air Injection Manifold › Component Information › Description and Operation2
- Air Injection Pump › Component Information › Description and Operation2
Catalytic Converter › Component Information › Technical Service Bulletins4 pages
Mixture Control Valve <--> [Deceleration Valve] › Component Information5 pages
- Early Fuel Evaporation (EFE) › EFE Relay › Component Information › Locations
Evaporative Emissions System8 pages
- Bowl Vent Solenoid › Component Information › Description and Operation
- Canister Purge Control Valve › Component Information › Testing and Inspection
- Evaporative Check Valve › Component Information › Locations23
- Evaporative Emission Control Canister › Component Information › Locations2
- Liquid Vapor Separator, Evaporative System › Component Information › Testing and Inspection
- Positive Crankcase Ventilation › Component Information › Description and Operation
- Relays and Modules - Emission Control Systems › EFE Relay › Component Information › Locations
- Thermostatic Air Cleaner › Component Information › Description and Operation
Fuel Delivery and Air Induction70 pages
- Fuel Pressure › System Information › Specifications2
- Fuel Pressure Release › System Information › Service Precautions
- Idle Speed › System Information › Specifications
- Air/Fuel Mixture › System Information › Adjustments › Idle Mixture Adjustment Non-Calif.2
- Air Cleaner Housing › Component Information › Technical Service Bulletins › Air Cleaner - Center Bolt Tightening Precautions
- Auxiliary Air Valve (Idle Speed) › Component Information › Technical Service Bulletins › Air Regulator - Test Procedure, Correction2
Carburetor8 pages
- Bowl Vent Solenoid › Component Information › Description and Operation
- Carburetor Float › Component Information › Adjustments
- Carburetor Jet Solenoid › Component Information › Testing and Inspection
- Choke Pull-off › Component Information › Testing and Inspection
- Choke Thermostat/Heater › Component Information › Testing and Inspection
- Secondary Diaphragm, Carburetor › Component Information › Testing and Inspection
- Throttle Plate - Carb. › Component Information › Adjustments › Primary Throttle Valve Opening Adjustment2
- Fuel › Component Information › Technical Service Bulletins › Fuel System - Top Tier Detergent Gasoline Information2
- Fuel Filter › Fuel Pressure Release › System Information › Service Precautions
- Fuel Pressure Regulator › Component Information › Testing and Inspection
- Fuel Pump › Fuel Pressure › System Information › Specifications2
Fuel Return Line › Component Information › Technical Service Bulletins12 pages
Fuel Supply Line › Component Information › Technical Service Bulletins12 pages
- Fuel Tank › Fuel Tank Pressure Release Valve › Component Information › Description and Operation
- Idle Up Control Valve › Component Information › Technical Service Bulletins › Air Regulator - Test Procedure, Correction2
- Rollover Valve, Fuel Tank › Component Information › Description and Operation
Sensors and Switches - Fuel Delivery and Air Induction7 pages
- Throttle Full Close Switch › Component Information › Testing and Inspection2
- Throttle Full Open Switch › Component Information › Locations23
- Throttle Position Sensor › Component Information › Specifications2
- Turbocharger › Component Information › Technical Service Bulletins › Remanufacturing Program2345
Ignition System20 pages
- Firing Order › Component Information › Specifications
- Crankshaft Position Sensor › Component Information › Testing and Inspection
Distributor, Ignition › Component Information4 pages
Ignition Coil › Component Information6 pages
- Ignition Control Module › Component Information › Testing and Inspection
- Pick-Up Coil, Ignition › Component Information › Specifications › Electrical Specifications2
- Relays and Modules - Ignition System › Ignition Control Module › Component Information › Testing and Inspection
- Sensors and Switches - Ignition System › Crankshaft Position Sensor › Component Information › Testing and Inspection
- Spark Plug › Component Information › Specifications