Buick Roadmaster Estate Wagon V8-305 5.0L (1991)
Relays and Modules
Sensors and Switches
Maintenance
Engine, Cooling and Exhaust
Powertrain Management
Relays and Modules - Powertrain Management
Sensors and Switches - Powertrain Management
Tune-up and Engine Performance Checks
Computers and Control Systems
Intake Air Temperature Sensor
Coolant Temperature Sensor/Switch (For Computer)
Reference Signal <--> [Cranking Signal]
Electronic Spark Timing <--> [Electronic Spark Control Module]
Component Information
Description and Operation
Page 2227
Page 2228
Engine Control Module
Idle Speed/Throttle Actuator - Electronic
Knock Sensor
Malfunction Indicator Lamp
Manifold Pressure/Vacuum Sensor
Memory Calibration Unit
Quad Driver <--> [Output Driver]
Overvoltage Protection Relay
Oxygen Sensor
Power Steering Pressure Switch
Relays and Modules - Computers and Control Systems
Sensors and Switches - Computers and Control Systems
Throttle Position Sensor
Transmission Position Switch/Sensor, A/T
Vehicle Speed Sensor
Emission Control Systems
Fuel Delivery and Air Induction
Ignition System
Transmission Control Systems
PROM - Programmable Read Only Memory
Transmission and Drivetrain
Brakes and Traction Control
Starting and Charging
Power and Ground Distribution
Steering and Suspension
Heating and Air Conditioning
Restraint Systems
Accessories and Optional Equipment
Body and Frame
Cruise Control
Instrument Panel, Gauges and Warning Indicators
Lighting and Horns
Windows and Glass
Wiper and Washer Systems