240 L4-2.3L SOHC VIN 88 B230F (1986): Powertrain Management

Also for this vehicle: 240 L4-2127cc 2.1L SOHC B21F (1982), 240 L4-2127cc 2.1L SOHC B21A (Can) (1984), 240 L4-2127cc 2.1L SOHC Turbo B21FT FI (1982), 240 L4-2320cc 2.3L SOHC B23F FI (1983), 240 L4-2320cc 2.3L SOHC VIN 82 B230F (1992), 240 L4-2320cc 2.3L SOHC VIN 83 B230FD (1993), 240 L6-2383cc 2.4L DSL SOHC D24 FI (1982), 240 Factory Service Manual (1975-1993), 260 V6-2849cc 2.8L SOHC B28A (Can) (1982), 260 Factory Service Manual (1975-1985).

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.

01Relays and Modules Relays and Modules: Sections
02Sensors and Switches Sensors and Switches: Sections
03Maintenance Maintenance: Sections
04Engine, Cooling and Exhaust Engine, Cooling and Exhaust: Sections
05Powertrain Management Powertrain Management: Sections
- Relays and Modules - Powertrain Management39 pages
  - Relays and Modules - Computers and Control Systems32 pages
    Acceleration Enrichment Module › Component Information › Locations
    Electronic Spark Control Module › Component Information › Technical Service Bulletins › Electrical - New Cable Terminals as a Replacement Part
    Engine Control Module › Component Information26 pages
    Technical Service Bulletins14 pages
    Customer Interest:3 pages
    2312 › Jan › 86 › Engine - Cold Start
    23123 › Nov › 85 › Engine - Difficult Cold Starting2
    All Technical Service Bulletins for Engine Control Module:7 pages
    28105 › Aug › 91 › LH Fuel Injection Control Unit - Exchange2
    23138 › Jan › 91 › Fuel Injection Control Unit - Exchange
    TOOLS23 › Aug › 86 › Tools - Fuel System Fault Tester
    2312 › Jan › 86 › Engine - Cold Start
    23123 › Nov › 85 › Engine - Difficult Cold Starting2
    All Other Service Bulletins for Engine Control Module:4 pages
    28105 › Aug › 91 › LH Fuel Injection Control Unit - Exchange2
    23138 › Jan › 91 › Fuel Injection Control Unit - Exchange
    TOOLS23 › Aug › 86 › Tools - Fuel System Fault Tester
    Diagrams › Diagram Information and Instructions2 3 4
    Description and Operation › Fuel Injection2 3 4
    Testing and Inspection › Control Module Pinout Values2 3 4
    System Relay <--> [Main Relay (Computer/Fuel System)] › Component Information › Diagrams › Diagram Information and Instructions2
    Oxygen Sensor Relay › Component Information › Diagrams › Diagram Information and Instructions2
  - Relays and Modules - Fuel Delivery and Air Induction4 pages
    Fuel Pump Relay › Component Information › Diagrams › Diagram Information and Instructions2
    System Relay <--> [Main Relay (Computer/Fuel System)] › Component Information › Diagrams › Diagram Information and Instructions2
  - Relays and Modules - Ignition System3 pages
    Electronic Spark Control Module › Component Information › Technical Service Bulletins › Electrical - New Cable Terminals as a Replacement Part
    Ignition Control Module › Component Information › Diagrams › Diagram Information and Instructions2
- Sensors and Switches - Powertrain Management82 pages
  - Sensors and Switches - Computers and Control Systems47 pages
    Mass Air Flow Sensor <--> [Air Flow Meter/Sensor] › Component Information › Diagrams › Diagram Information and Instructions2
    Coolant Temperature Sensor/Switch (For Computer) › Component Information › Technical Service Bulletins14 pages
    All Technical Service Bulletins for Coolant Temperature Sensor/Switch (For Computer):7 pages
    23206 › Feb › 90 › CIS Valve - Check Procedures2 3 4
    23204 › Apr › 89 › Engine - Cold Starting Problems2 3
    Customer Interest: › 23204 › Apr › 89 › Engine - Cold Starting Problems2 3
    All Other Service Bulletins for Coolant Temperature Sensor/Switch (For Computer): › 23206 › Feb › 90 › CIS Valve - Check Procedures2 3 4
    Intake Air Temperature Sensor › Component Information › Diagrams › Diagram Information and Instructions2
    Knock Sensor › Component Information › Diagrams › Diagram Information and Instructions2
    Oxygen Sensor (Lambda Sond) <--> [Oxygen Sensor] › Component Information6 pages
    Technical Service Bulletins › Tools - Engine, Oxygen Sensor, Temp Sensor2 3 4
    Diagrams › Diagram Information and Instructions2
    Throttle Position Sensor › Component Information › Technical Service Bulletins › CIS Valve - Check Procedures2 3 4
    Throttle Position Switch › Component Information16 pages
    Technical Service Bulletins › Throttle Switch/Mechanism - Adjustment2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Testing and Inspection › Check/Adjust Throttle Position Switch
    Vacuum Switch › Component Information › Locations
  - Sensors and Switches - Fuel Delivery and Air Induction22 pages
    Mass Air Flow Sensor <--> [Air Flow Meter/Sensor] › Component Information › Diagrams › Diagram Information and Instructions2
    Throttle Position Sensor › Component Information › Technical Service Bulletins › CIS Valve - Check Procedures2 3 4
    Throttle Position Switch › Component Information16 pages
    Technical Service Bulletins › Throttle Switch/Mechanism - Adjustment2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Testing and Inspection › Check/Adjust Throttle Position Switch
  - Sensors and Switches - Ignition System13 pages
    Hall Effect Sensor, Ignition › Component Information › Description and Operation2 3 4 5 6 7
    Ignition Switch › Component Information4 pages
    Technical Service Bulletins › Tools - Designed for Use On 1985 and 1986 MY Vehicle2
    Diagrams › Diagram Information and Instructions2
    Knock Sensor › Component Information › Diagrams › Diagram Information and Instructions2
- Tune-up and Engine Performance Checks50 pages
- Computers and Control Systems167 pages
  - Acceleration Enrichment Module › Component Information › Locations
  - Mass Air Flow Sensor <--> [Air Flow Meter/Sensor] › Component Information › Diagrams › Diagram Information and Instructions2
  - Intake Air Temperature Sensor › Component Information › Diagrams › Diagram Information and Instructions2
  - Coolant Temperature Sensor/Switch (For Computer) › Component Information › Technical Service Bulletins14 pages
    All Technical Service Bulletins for Coolant Temperature Sensor/Switch (For Computer):7 pages
    23206 › Feb › 90 › CIS Valve - Check Procedures2 3 4
    23204 › Apr › 89 › Engine - Cold Starting Problems2 3
    Customer Interest: › 23204 › Apr › 89 › Engine - Cold Starting Problems2 3
    All Other Service Bulletins for Coolant Temperature Sensor/Switch (For Computer): › 23206 › Feb › 90 › CIS Valve - Check Procedures2 3 4
  - Data Link Connector › Component Information › Locations
  - Diagnostic Mode Switch/Connector › Component Information › Locations
  - Electronic Spark Control Module › Component Information › Technical Service Bulletins › Electrical - New Cable Terminals as a Replacement Part
  - Engine Control Module › Component Information26 pages
    Technical Service Bulletins14 pages
    Customer Interest:3 pages
    2312 › Jan › 86 › Engine - Cold Start
    23123 › Nov › 85 › Engine - Difficult Cold Starting2
    All Technical Service Bulletins for Engine Control Module:7 pages
    28105 › Aug › 91 › LH Fuel Injection Control Unit - Exchange2
    23138 › Jan › 91 › Fuel Injection Control Unit - Exchange
    TOOLS23 › Aug › 86 › Tools - Fuel System Fault Tester
    2312 › Jan › 86 › Engine - Cold Start
    23123 › Nov › 85 › Engine - Difficult Cold Starting2
    All Other Service Bulletins for Engine Control Module:4 pages
    28105 › Aug › 91 › LH Fuel Injection Control Unit - Exchange2
    23138 › Jan › 91 › Fuel Injection Control Unit - Exchange
    TOOLS23 › Aug › 86 › Tools - Fuel System Fault Tester
    Diagrams › Diagram Information and Instructions2 3 4
    Description and Operation › Fuel Injection2 3 4
    Testing and Inspection › Control Module Pinout Values2 3 4
  - Idle Control Valve <--> [Idle Speed/Throttle Actuator - Electronic] › Component Information › Diagrams › Diagram Information and Instructions2
  - Idle Up Control Valve › Component Information › Technical Service Bulletins › CIS Valve - Check Procedures2 3 4
  - Knock Sensor › Component Information › Diagrams › Diagram Information and Instructions2
  - System Relay <--> [Main Relay (Computer/Fuel System)] › Component Information › Diagrams › Diagram Information and Instructions2
  - Oxygen Sensor (Lambda Sond) <--> [Oxygen Sensor] › Component Information6 pages
    Technical Service Bulletins › Tools - Engine, Oxygen Sensor, Temp Sensor2 3 4
    Diagrams › Diagram Information and Instructions2
  - Oxygen Sensor Relay › Component Information › Diagrams › Diagram Information and Instructions2
  - Relays and Modules - Computers and Control Systems32 pages
    Acceleration Enrichment Module › Component Information › Locations
    Electronic Spark Control Module › Component Information › Technical Service Bulletins › Electrical - New Cable Terminals as a Replacement Part
    Engine Control Module › Component Information26 pages
    Technical Service Bulletins14 pages
    All Technical Service Bulletins for Engine Control Module:7 pages
    28105 › Aug › 91 › LH Fuel Injection Control Unit - Exchange2
    23138 › Jan › 91 › Fuel Injection Control Unit - Exchange
    TOOLS23 › Aug › 86 › Tools - Fuel System Fault Tester
    2312 › Jan › 86 › Engine - Cold Start
    23123 › Nov › 85 › Engine - Difficult Cold Starting2
    Customer Interest:3 pages
    2312 › Jan › 86 › Engine - Cold Start
    23123 › Nov › 85 › Engine - Difficult Cold Starting2
    All Other Service Bulletins for Engine Control Module:4 pages
    28105 › Aug › 91 › LH Fuel Injection Control Unit - Exchange2
    23138 › Jan › 91 › Fuel Injection Control Unit - Exchange
    TOOLS23 › Aug › 86 › Tools - Fuel System Fault Tester
    Diagrams › Diagram Information and Instructions2 3 4
    Description and Operation › Fuel Injection2 3 4
    Testing and Inspection › Control Module Pinout Values2 3 4
    System Relay <--> [Main Relay (Computer/Fuel System)] › Component Information › Diagrams › Diagram Information and Instructions2
    Oxygen Sensor Relay › Component Information › Diagrams › Diagram Information and Instructions2
  - Sensors and Switches - Computers and Control Systems47 pages
    Mass Air Flow Sensor <--> [Air Flow Meter/Sensor] › Component Information › Diagrams › Diagram Information and Instructions2
    Coolant Temperature Sensor/Switch (For Computer) › Component Information › Technical Service Bulletins14 pages
    Customer Interest: › 23204 › Apr › 89 › Engine - Cold Starting Problems2 3
    All Technical Service Bulletins for Coolant Temperature Sensor/Switch (For Computer):7 pages
    23206 › Feb › 90 › CIS Valve - Check Procedures2 3 4
    23204 › Apr › 89 › Engine - Cold Starting Problems2 3
    All Other Service Bulletins for Coolant Temperature Sensor/Switch (For Computer): › 23206 › Feb › 90 › CIS Valve - Check Procedures2 3 4
    Intake Air Temperature Sensor › Component Information › Diagrams › Diagram Information and Instructions2
    Knock Sensor › Component Information › Diagrams › Diagram Information and Instructions2
    Oxygen Sensor (Lambda Sond) <--> [Oxygen Sensor] › Component Information6 pages
    Technical Service Bulletins › Tools - Engine, Oxygen Sensor, Temp Sensor2 3 4
    Diagrams › Diagram Information and Instructions2
    Throttle Position Sensor › Component Information › Technical Service Bulletins › CIS Valve - Check Procedures2 3 4
    Throttle Position Switch › Component Information16 pages
    Technical Service Bulletins › Throttle Switch/Mechanism - Adjustment2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Testing and Inspection › Check/Adjust Throttle Position Switch
    Vacuum Switch › Component Information › Locations
  - Shift Light › Component Information › Locations
  - Throttle Position Sensor › Component Information › Technical Service Bulletins › CIS Valve - Check Procedures2 3 4
  - Throttle Position Switch › Component Information16 pages
    Technical Service Bulletins › Throttle Switch/Mechanism - Adjustment2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Testing and Inspection › Check/Adjust Throttle Position Switch
  - Vacuum Switch › Component Information › Locations
- Emission Control Systems16 pages
- Fuel Delivery and Air Induction113 pages
  - Fuel Pressure › System Information › Specifications
  - Fuel Pressure Release › System Information › Service and Repair
  - Idle Speed › System Information › Technical Service Bulletins8 pages
    Customer Interest for Idle Speed: › 00101 › Aug › 89 › Engine - Poor Driveability When Cold2 3 4
    All Technical Service Bulletins for Idle Speed: › 00101 › Aug › 89 › Engine - Poor Driveability When Cold2 3 4
  - Air/Fuel Mixture › System Information20 pages
    Technical Service Bulletins8 pages
    All Technical Service Bulletins for Air/Fuel Mixture: › 00101 › Aug › 89 › Engine - Poor Driveability When Cold2 3 4
    Customer Interest for Air/Fuel Mixture: › 00101 › Aug › 89 › Engine - Poor Driveability When Cold2 3 4
    Adjustments › CO% Adjustment Using Test Diode2 3 4 5 6 7 8 9 10 11 12
  - Mass Air Flow Sensor <--> [Air Flow Meter/Sensor] › Component Information › Diagrams › Diagram Information and Instructions2
  - Cold Start Injector › Component Information › Locations
  - Differential Pressure Regulator › Component Information › Locations
  - Fuel › Component Information › Technical Service Bulletins › Unleaded Fuel - Usage In Earlier Models2
  - Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
  - Fuel Injector4 pages
    Fuel Injector Line › Component Information › Tools and Equipment
    Fuel Injector O-Ring › Component Information › Technical Service Bulletins › LH Injector O-Ring - Removal and Installation2 3
  - Fuel Pressure Regulator › Component Information › Specifications2 3
  - Fuel Pump3 pages
    Fuel Pressure › System Information › Specifications
    Fuel Pump Relay › Component Information › Diagrams › Diagram Information and Instructions2
  - Fuel Rail › Component Information › Locations2
  - Fuel Tank › Fuel Gauge Sender › Component Information3 pages
    Technical Service Bulletins › Fuel Gauge Sender - Installing Revised Component
    Diagrams › Diagram Information and Instructions2
  - Idle Control Valve <--> [Idle Speed/Throttle Actuator - Electronic] › Component Information › Diagrams › Diagram Information and Instructions2
  - Idle Up Control Valve › Component Information › Technical Service Bulletins › CIS Valve - Check Procedures2 3 4
  - System Relay <--> [Main Relay (Computer/Fuel System)] › Component Information › Diagrams › Diagram Information and Instructions2
  - Relays and Modules - Fuel Delivery and Air Induction4 pages
    Fuel Pump Relay › Component Information › Diagrams › Diagram Information and Instructions2
    System Relay <--> [Main Relay (Computer/Fuel System)] › Component Information › Diagrams › Diagram Information and Instructions2
  - Sensors and Switches - Fuel Delivery and Air Induction22 pages
    Mass Air Flow Sensor <--> [Air Flow Meter/Sensor] › Component Information › Diagrams › Diagram Information and Instructions2
    Throttle Position Sensor › Component Information › Technical Service Bulletins › CIS Valve - Check Procedures2 3 4
    Throttle Position Switch › Component Information16 pages
    Technical Service Bulletins › Throttle Switch/Mechanism - Adjustment2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Testing and Inspection › Check/Adjust Throttle Position Switch
  - Throttle Body › Component Information › Adjustments
  - Throttle Cable/Linkage › Component Information › Technical Service Bulletins2 pages
    All Technical Service Bulletins for Throttle Cable/Linkage: › NHTSA86V129000 › Sep › 86 › Recall 86V129000: Faulty Throttle LInkages and Control
    Recalls for Throttle Cable/Linkage: › NHTSA86V129000 › Sep › 86 › Recall 86V129000: Faulty Throttle LInkages and Control
  - Throttle Position Sensor › Component Information › Technical Service Bulletins › CIS Valve - Check Procedures2 3 4
  - Throttle Position Switch › Component Information16 pages
    Technical Service Bulletins › Throttle Switch/Mechanism - Adjustment2 3 4 5 6 7 8 9 10 11 12 13 14 15
    Testing and Inspection › Check/Adjust Throttle Position Switch
  - Turbocharger › Component Information › Technical Service Bulletins › Turbo Charger - Diagnostics2 3 4
- Ignition System50 pages
- Transmission Control Systems18 pages
  - Actuators and Solenoids - Transmission and Drivetrain6 pages
    Actuators and Solenoids - A/T › Overdrive Solenoid, A/T › Component Information3 pages
    Specifications
    Diagrams › Diagram Information and Instructions2
    Actuators and Solenoids - M/T3 pages
    Gear Lockout Solenoid, M/T › Component Information › Locations
    Manual Trans Control Solenoid <--> [Vacuum Control Solenoid Valve, M/T] › Component Information › Diagrams › Diagram Information and Instructions2
  - Lamps and Indicators - Transmission and Drivetrain › Lamps and Indicators - A/T › Shift Indicator › Component Information8 pages
    Locations2 3
    Diagrams › Diagram Information and Instructions2 3 4 5
  - Sensors and Switches - Transmission and Drivetrain4 pages
    Sensors and Switches - A/T › Overdrive Switch - Transmission <--> [Overdrive Switch, A/T] › Component Information › Diagrams › Diagram Information and Instructions2
    Sensors and Switches - M/T › Overdrive Switch, M/T › Component Information › Diagrams › Diagram Information and Instructions2
06Transmission and Drivetrain Transmission and Drivetrain: Sections
07Brakes and Traction Control Brakes and Traction Control: Sections
08Starting and Charging Starting and Charging: Sections
09Power and Ground Distribution Power and Ground Distribution: Sections
10Steering and Suspension Steering and Suspension: Sections
11Heating and Air Conditioning Heating and Air Conditioning: Sections
12Restraint Systems Restraint Systems: Sections
13Accessories and Optional Equipment Accessories and Optional Equipment: Sections
14Body and Frame Body and Frame: Sections
15Cruise Control Cruise Control: Sections
16Instrument Panel, Gauges and Warning Indicators Instrument Panel, Gauges and Warning Indicators: Sections
17Lighting and Horns Lighting and Horns: Sections
18Windows and Glass Windows and Glass: Sections
19Wiper and Washer Systems Wiper and Washer Systems: Sections