Section 21 (Engine Controls - System/Component Tests)
WARNING: This page is about a different car, the 1992 Oldsmobile Toronado, 1992 Cadillac Eldorado, and 1992 Buick Riviera. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Air Induction Systems
- Computerized Engine Controls
- Engine Sensors & Switches
- Notes
- Engine Controls - System/Component Tests
- A/C ON (A/C Request) Switch Test
- A/C Pressure Sensor
- A/C Pressure Switch
- Brake Switch
- Camshaft Sensor (3.8L VIN L)
- Camshaft Sensor (Cadillac)
- Coolant Temperature Sensor (CTS)
- Crankshaft Position Sensor (DIS)
- Crankshaft Position Sensor (IDI)
- Hall Effect Camshaft Sensor (Cadillac)
- Intake Air Temperature Sensor
- Knock Sensor
- Manifold Absolute Pressure (MAP) Sensor (C-1)
- Manifold Air Temperature (MAT) Sensor
- Mass Airflow (MAF) Sensor (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
- Emission Systems & Sub-Systems
- Miscellaneous Controls
- Notes
- Hot Light Or Coolant Temperature Light
- Transmission (C-8)
- A/C Clutch (C-10) & Electric Cooling Fan (C-12)
- Chart C-12A, 3.8L (1 Of 5), Cooling Fan CKT Diagnosis
- Chart C-12B, 3.8L (2 Of 5) Cooling Fan No Low Speed
- Chart C-12C-A, 3.8L (3 Of 5), Cooling Fan No High Speed Rear Fan
- Chart C-12C-B, 3.8L (4 Of 5), Cooling Fan No High Speed Front Fan
- Chart C-12D, 3.8L (5 Of 5), Cooling Fan On At All Times
- Chart C-10, 3.8L, A/C Clutch CTRL CKT Diagnosis
- Component Locations
- Wiring Diagrams