Section 11 (Engine Controls - System/Component Tests)
WARNING: This page does not describe the selected car, but rather 34 other vehicles, including the 1991 Pontiac Sunbird, 1991 Pontiac Grand Prix, 1991 Pontiac Grand Am, 1991 Pontiac Firebird, and 1991 Pontiac Bonneville. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- General Motors A & C Chart Reference
- Computerized Engine Controls
- Engine Sensors & Switches
- Notes
- Engine Controls - System/Component Tests
- A/C ON (A/C Request) Switch Test
- A/C Pressure Sensor (All 2.3L & 3.1L J & W Bodies)
- A/C Pressure Switch
- Brake Switch
- Camshaft Sensor (3.8L VIN C)
- Camshaft Sensor (Cadillac Except Brougham)
- Coolant Temperature Sensor (CTS)
- Crankshaft Position Sensor (2.3L IDI)
- Crankshaft Position Sensor (DIS)
- Dual Crank (Combination) Sensor (3.3L C(3)I System)
- Engine Oil Temperature Sensor (Corvette)
- Hall Effect Camshaft Sensor (Cadillac Except Brougham)
- Knock Sensor
- Manifold Absolute Pressure (MAP) Sensor (C-1)
- Manifold Air Temperature (MAT) Sensor
- Mass Airflow Sensor (3.3L & 3.8L)
- Oxygen (O2) Sensor
- Park/Neutral (P/N) Switch (C-1)
- Power Steering (P/S) Pressure Switch (C-1)
- Throttle Position Sensor (TPS)
- Vehicle Speed Sensor (PM Generator Type)
- Vehicle Speed Sensor (LED Type)
- Motors, Relays & Solenoids
- Fuel System
- Idle Control System (C-2)
- Ignition System (Exc. C3I)
- Ignition System (C3I)
- Emission Systems & Sub-Systems
- Miscellaneous Controls
- Component Locations