
- •GENERAL INFORMATION
- •FUEL REQUIREMENTS
- •VEHICLES WITHOUT TURBOCHARGED ENGINES
- •VEHICLES WITH 2.2L 16 VALVE ENGINES
- •THE FOLLOWING IS APPLICABLE TO ALL VEHICLES
- •FUEL DELIVERY SYSTEM
- •FUEL HOSES, CLAMPS, AND QUICK CONNECT FITTINGS
- •HOSES AND CLAMPS
- •QUICK CONNECT FITTINGS
- •FUEL PUMP ASSEMBLY
- •FUEL SYSTEM PRESSURE
- •MECHANICAL MALFUNCTIONS
- •FUEL PUMP REMOVAL
- •FUEL PUMP STRAINER SERVICE
- •FUEL PUMP INSTALLATION
- •REMOVAL
- •INSTALLATION
- •CHASSIS FUEL TUBES
- •FUEL TANKS
- •GENERAL INFORMATION
- •FUEL TANK FILLER TUBE
- •PRESSURE VACUUM FILLER CAPS
- •FUEL SYSTEM PRESSURE RELEASE PROCEDURE
- •FUEL TANK
- •DRAINING FUEL TANK
- •FUEL TANK CAPACITIES
- •FUEL TANK REMOVAL
- •INSTALLATION
- •FUEL PUMP
- •FUEL RESERVOIR
- •FUEL LEVEL SENDING UNIT
- •DIAGNOSIS
- •REMOVAL
- •INSTALLATION
- •REMOVAL
- •INSTALLATION
- •ACCELERATOR PEDAL AND THROTTLE CABLE
- •ACCELERATOR PEDAL
- •REMOVAL
- •INSTALLATION
- •THROTTLE CABLE
- •REMOVAL
- •INSTALLATION
- •GENERAL INFORMATION
- •SYSTEM DIAGNOSIS
- •ENGINE CONTROLLER
- •MODES OF OPERATION
- •FUEL PRESSURE REGULATOR
- •THROTTLE BODY
- •FUEL SYSTEM DIAGRAM
- •VISUAL INSPECTION
- •ON BOARD DIAGNOSTICS
- •MONITORED CIRCUITS
- •HIGH AND LOW LIMITS
- •FAULT CODE DESCRIPTION
- •SYSTEMS TEST
- •OBTAINING FAULT CODES
- •STATE DISPLAY TEST MODE
- •STATE DISPLAY INPUTS AND OUTPUTS
- •STATE DISPLAY SENSORS
- •CIRCUIT ACTUATION TEST MODE
- •OBTAINING CIRCUIT ACTUATION TEST
- •THROTTLE BODY MINIMUM AIR FLOW CHECK PROCEDURE
- •IGNITION TIMING PROCEDURE
- •IDLE SPECIFICATIONS
- •FAULT CODE DESCRIPTION
- •FAULT CODE DESCRIPTION
- •FUEL LINES AND HOSES
- •FUEL SYSTEM PRESSURE RELEASE PROCEDURE
- •THROTTLE BODY
- •REMOVAL
- •INSTALLATION
- •FUEL FITTING
- •REMOVAL
- •INSTALLATION
- •FUEL PRESSURE REGULATOR
- •REMOVAL
- •INSTALLATION
- •FUEL INJECTOR
- •REMOVAL
- •INSTALLATION
- •THROTTLE POSITION SENSOR
- •REMOVAL
- •INSTALLATION
- •AUTOMATIC IDLE SPEED (AIS) MOTOR
- •REMOVAL
- •INSTALLATION
- •MANIFOLD ABSOLUTE PRESSURE SENSOR
- •REMOVAL
- •CANISTER PURGE SOLENOID
- •REMOVAL
- •INSTALLATION
- •ENGINE CONTROLLER SERVICE
- •OXYGEN SENSOR (O2 SENSOR)
- •GENERAL INFORMATION
- •SYSTEM DIAGNOSIS
- •ENGINE CONTROLLER
- •MODES OF OPERATION
- •IGNITION SWITCH ON (ZERO RPM) MODE
- •CRUISE OR IDLE MODE
- •ACCELERATION MODE
- •DECELERATION MODE
- •WIDE OPEN THROTTLE MODE
- •IGNITION SWITCH OFF MODE
- •THROTTLE BODY
- •FUEL SUPPLY CIRCUIT
- •FUEL INJECTORS AND FUEL RAIL ASSEMBLY
- •FUEL PRESSURE REGULATOR
- •FUEL SYSTEM DIAGRAM
- •VISUAL INSPECTION
- •ON BOARD DIAGNOSTICS
- •MONITORED CIRCUITS
- •HIGH AND LOW LIMITS
- •FAULT CODE DESCRIPTION
- •FAULT CODE DESCRIPTION
- •SYSTEM TESTS
- •OBTAINING FAULT CODES
- •STATE DISPLAY TEST MODE
- •STATE DISPLAY INPUTS AND OUTPUTS
- •STATE DISPLAY SENSORS
- •CIRCUIT ACTUATION TEST MODE
- •OBTAINING CIRCUIT ACTUATION TEST
- •THROTTLE BODY MINIMUM AIR FLOW CHECK PROCEDURE
- •IGNITION TIMING PROCEDURE
- •IDLE SPECIFICATIONS
- •THROTTLE BODY
- •FUEL SYSTEM PRESSURE RELEASE PROCEDURE
- •THROTTLE POSITION SENSOR (TPS)
- •REMOVAL
- •INSTALLATION
- •AUTOMATIC IDLE SPEED (AIS) MOTOR
- •REMOVAL
- •INSTALLATION
- •THROTTLE BODY REMOVAL
- •FUEL INJECTOR RAIL ASSEMBLY
- •REMOVAL
- •INSTALLATION
- •FUEL INJECTOR
- •REMOVAL
- •INSTALLATION
- •FUEL PRESSURE REGULATOR
- •REMOVAL
- •INSTALLATION
- •MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR SERVICE
- •WASTEGATE SOLENOID AND CANISTER PURGE SOLENOID
- •ENGINE CONTROLLER SERVICE
- •HEATED OXYGEN SENSOR (O2 SENSOR)
- •GENERAL INFORMATION
- •SYSTEM DIAGNOSIS
- •ENGINE CONTROLLER
- •MODES OF OPERATION
- •IGNITION SWITCH ON (ZERO RPM) MODE
- •CRUISE OR IDLE MODE
- •ACCELERATION MODE
- •DECELERATION MODE
- •WIDE OPEN THROTTLE MODE
- •IGNITION SWITCH OFF MODE
- •THROTTLE BODY
- •FUEL SUPPLY CIRCUIT
- •FUEL INJECTORS AND FUEL RAIL ASSEMBLY
- •FUEL PRESSURE REGULATOR
- •FUEL SYSTEM DIAGRAM
- •VISUAL INSPECTION
- •ON BOARD DIAGNOSTICS
- •MONITORED CIRCUITS
- •HIGH AND LOW LIMITS
- •FAULT CODE DESCRIPTION
- •FAULT CODE DESCRIPTION
- •SYSTEM TESTS
- •OBTAINING FAULT CODES
- •STATE DISPLAY TEST MODE
- •STATE DISPLAY INPUTS AND OUTPUTS
- •STATE DISPLAY SENSORS
- •CIRCUIT ACTUATION TEST MODE
- •OBTAINING CIRCUIT ACTUATION TEST
- •THROTTLE BODY MINIMUM AIR FLOW CHECK PROCEDURE
- •IGNITION TIMING PROCEDURE
- •IDLE SPECIFICATIONS
- •THROTTLE BODY
- •FUEL SYSTEM PRESSURE RELEASE PROCEDURE
- •THROTTLE POSITION SENSOR (TPS)
- •REMOVAL
- •INSTALLATION
- •AUTOMATIC IDLE SPEED (AIS) MOTOR
- •REMOVAL
- •INSTALLATION
- •THROTTLE BODY REMOVAL
- •INSTALLATION
- •FUEL INJECTOR RAIL ASSEMBLY
- •REMOVAL
- •INSTALLATION
- •FUEL INJECTORS
- •REMOVAL
- •INSTALLATION
- •FUEL PRESSURE REGULATOR
- •REMOVAL
- •INSTALLATION
- •MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR SERVICE
- •WASTEGATE AND CANISTER PURGE SOLENOID SERVICE
- •ENGINE CONTROLLER SERVICE
- •HEATED OXYGEN SENSOR (O2 SENSOR)
- •GENERAL INFORMATION
- •SYSTEM DIAGNOSIS
- •ENGINE CONTROLLER
- •MODES OF OPERATION
- •THROTTLE BODY
- •FUEL SUPPLY CIRCUIT
- •FUEL PRESSURE REGULATOR
- •FUEL SYSTEM DIAGRAM
- •VISUAL INSPECTION
- •ON BOARD DIAGNOSTICS
- •MONITORED CIRCUITS
- •HIGH AND LOW LIMITS
- •FAULT CODE DESCRIPTION
- •FAULT CODE DESCRIPTION
- •SYSTEM TESTS
- •OBTAINING FAULT CODES
- •STATE DISPLAY TEST MODE
- •STATE DISPLAY INPUTS AND OUTPUTS
- •STATE DISPLAY SENSORS
- •CIRCUIT ACTUATION TEST MODE
- •OBTAINING CIRCUIT ACTUATION TEST
- •THROTTLE BODY MINIMUM AIR FLOW CHECK PROCEDURE
- •IDLE SPECIFICATIONS
- •IGNITION TIMING PROCEDURE
- •THROTTLE BODY SERVICE
- •THROTTLE BODY
- •FUEL SYSTEM PRESSURE RELEASE PROCEDURE
- •THROTTLE POSITION SENSOR
- •REMOVAL
- •INSTALLATION
- •AUTOMATIC IDLE SPEED (AIS) MOTOR
- •REMOVAL
- •INSTALLATION
- •FUEL INJECTOR RAIL ASSEMBLY
- •REMOVAL
- •INSTALLATION
- •FUEL PRESSURE REGULATOR SERVICE
- •REMOVAL
- •INSTALLATION
- •FUEL INJECTORS
- •REMOVAL
- •INSTALLATION
- •MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR
- •CANISTER PURGE SOLENOID SERVICE
- •ENGINE CONTROLLER
- •HEATED OXYGEN SENSOR (O2 SENSOR)
- •GENERAL INFORMATION
- •SYSTEM DIAGNOSIS
- •ENGINE CONTROLLER
- •MODES OF OPERATION
- •THROTTLE BODY
- •FUEL SUPPLY CIRCUIT
- •FUEL INJECTORS AND FUEL RAIL ASSEMBLY
- •FUEL PRESSURE REGULATOR
- •FUEL SYSTEM DIAGRAM
- •VISUAL INSPECTION
- •ON BOARD DIAGNOSTICS
- •MONITORED CIRCUITS
- •HIGH AND LOW LIMITS
- •FAULT CODE DESCRIPTION
- •SYSTEM TESTS
- •OBTAINING FAULT CODES
- •STATE DISPLAY TEST MODE
- •STATE DISPLAY INPUTS AND OUTPUTS
- •STATE DISPLAY SENSORS
- •CIRCUIT ACTUATION TEST MODE
- •OBTAINING CIRCUIT ACTUATION TEST
- •THROTTLE BODY MINIMUM AIR FLOW CHECK PROCEDURE
- •IDLE SPECIFICATIONS
- •FAULT CODE DESCRIPTION
- •THROTTLE BODY REMOVAL
- •THROTTLE BODY
- •FUEL SYSTEM PRESSURE RELEASE PROCEDURE
- •THROTTLE POSITION SENSOR
- •REMOVAL
- •INSTALLATION
- •AUTOMATIC IDLE SPEED (AIS) MOTOR
- •REMOVAL
- •INSTALLATION
- •FUEL INJECTOR RAIL ASSEMBLY
- •REMOVAL
- •INSTALLATION
- •FUEL PRESSURE REGULATOR
- •REMOVAL
- •INSTALLATION
- •FUEL INJECTOR
- •REMOVAL
- •INSTALLATION
- •MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR
- •CANISTER PURGE SOLENOID SERVICE
- •ENGINE CONTROLLER SERVICE
- •CRANKSHAFT TIMING SENSOR
- •REMOVAL
- •INSTALLATION
- •CAMSHAFT SENSOR SERVICE
- •REMOVAL
- •INSTALLATION
- •HEATED OXYGEN SENSOR (O2 SENSOR) SERVICE
- •SPECIFICATIONS
- •TEMPERATURE SENSOR SPECIFICATIONS
- •TORQUE

14 - 16 FUEL SYSTEMS |
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(2)Install cable housing (throttle body end) into the cable mounting bracket on the engine.
(3)From inside the vehicle, hold up pedal and feed throttle cable core wire through hole in upper end of the pedal shaft. Install cable retainer (Fig. 2).
(4)Install cable retainer clip (Fig. 2).
(5)From the engine compartment, rotate the throttle lever to the wide open position and install throttle cable.
Fig. 7 Throttle Cable Attachment to Throttle
BodyÐ3.3L and 3.8L Engines
2.2L/2.5L SINGLE POINT FUEL INJECTIONÐSYSTEM OPERATION
INDEX
|
page |
|
page |
|
Air Conditioning (A/C) Clutch RelayÐEngine |
|
|
Fuel InjectorÐEngine Controller Output . . . . |
. . . . 23 |
Controller Output . . . . . . . . . . . . . . . . . . . . |
. . . |
21 |
Fuel Pressure Regulator . . . . . . . . . . . . . . . . . |
. . . 26 |
Air Conditioning Switch SenseÐEngine |
|
|
General Information . . . . . . . . . . . . . . . . . . . . |
. . . 16 |
Controller Input . . . . . . . . . . . . . . . . . . . . . |
. . |
18 |
Ignition CoilÐEngine Controller Output . . . . . . |
. . . 24 |
Alternator FieldÐEngine Controller Output . . . . |
. . |
21 |
Manifold Absolute Pressure (MAP) SensorÐ |
|
Auto Shutdown (ASD) Relay and Fuel Pump |
|
|
Engine Controller Input . . . . . . . . . . . . . . . . |
. . . 19 |
RelayÐEngine Controller Output . . . . . . . . . . |
. . |
21 |
Modes of Operation . . . . . . . . . . . . . . . . . . . . |
. . . 24 |
Automatic Idle Speed (AIS) MotorÐEngine |
|
22 |
Oxygen Sensor (O2 Sensor)ÐEngine |
19 |
Controller Output . . . . . . . . . . . . . . . . . . . . . . |
. . |
Controller Input . . . . . . . . . . . . . . . . . . . . . . |
||
Battery VoltageÐEngine Controller Input . . . . . . |
. . |
18 |
Part Throttle Unlock SolenoidÐEngine |
|
Brake SwitchÐEngine Controller Input . . . . . . . |
. . |
18 |
Controller Output . . . . . . . . . . . . . . . . . . . . . |
. . . 24 |
Canister Purge SolenoidÐEngine Controller |
|
|
Radiator Fan RelayÐEngine Controller Output |
. . . 24 |
Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . |
22 |
Speed Control SolenoidsÐEngine Controller |
|
CCD Bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . |
17 |
Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . 24 |
Check Engine LampÐEngine Controller Output |
. . |
22 |
Speed ControlÐEngine Controller Input . . . . . |
. . . 20 |
Coolant Temperature SensorÐEngine |
|
|
TachometerÐEngine Controller Output . . . . . . |
. . . 24 |
Controller Input . . . . . . . . . . . . . . . . . . . . . . . |
. . |
18 |
Throttle Body . . . . . . . . . . . . . . . . . . . . . . . . . |
. . . 26 |
Diagnostic ConnectorÐEngine Controller Output |
. . |
23 |
Throttle Position Sensor (TPS)ÐEngine |
|
Distributor (Hall Effect) Pick-UpÐEngine |
|
|
Controller Input . . . . . . . . . . . . . . . . . . . . . . |
. . . 20 |
Controller Input . . . . . . . . . . . . . . . . . . . . . . . |
. . |
19 |
Transmission Park/Neutral SwitchÐEngine |
|
Electronic EGR TransducerÐEngine |
|
|
Controller Input . . . . . . . . . . . . . . . . . . . . . . |
. . . 20 |
Controller Output . . . . . . . . . . . . . . . . . . . . . . |
. . |
23 |
Vehicle Distance (Speed) SensorÐEngine |
|
Engine Controller . . . . . . . . . . . . . . . . . . . . . . . |
. . |
17 |
Controller Input . . . . . . . . . . . . . . . . . . . . . . |
. . . 21 |
GENERAL INFORMATION |
|
|
trolled by the Single Board Engine Controller II |
The computer regulated, Electronic Fuel Injection |
(SBEC II), referred to in this manual as the en- |
System (Fig. 1) provides a precise air/fuel ratio for all |
gine controller. |
driving conditions. The fuel injection system is con- |
|