Section 4 (Engine Controls - System/Component Tests)
WARNING: This page does not describe the selected car, but rather 35 other vehicles, including the 1992 Pontiac Trans Sport, 1992 Oldsmobile Silhouette, 1992 Oldsmobile Bravada, 1992 GMC Yukon, and 1992 GMC Vandura Special. However, it is still accessible from the selected car via links, so may be relevant.
- Model Identification
- Introduction
- Air Induction Systems
- Computerized Engine Controls
- Engine Sensors & Switches
- A/C On Switch/System Test
- Brake Switch
- Coolant Temperature Sensor (Cts)
- Knock Sensor
- Manifold Absolute Pressure (Map) Sensor
- Manifold Air Temperature (Mat) Sensor
- Oxygen (O2) Sensor
- Oxygen Sensor Heating Element (4.3L Turbo PFI)
- Park/Neutral (P/N) Switch
- Power Steering Pressure Switch (2.5L)
- Throttle Position Sensor (TPS)
- Vehicle Speed Sensor (Pm Generator)
- Relays, Solenoids, Motors & Modules
- Fuel System (Gasoline)
- Idle Air Control - Vehicles Without 4L80-E Transmission
- Fuel System (Diesel)
- Ignition System
- Emission Systems & Sub-Systems (Gasoline)
- Emission Systems & Sub-Systems (Diesel)
- Miscellaneous ECM Controls
- Notes
- Transmission (C-8)
- A/C Clutch (C-10) & Electric Cooling Fan (C-12)
- A/C Clutch (C-10)
- Cooling Fan (C-12)
- CHART C-10, A/C CLUTCH CONTROL CKT DIAGNOSIS 2.5/2.8L (1 Of 2)
- CHART C-10, A/C CLUTCH CONTROL CKT DIAGNOSIS 2.5/2.8L (2 Of 2)
- CHART C-10, A/C CLUTCH CONTROL CIRCUIT DIAGNOSIS (FRONT A/C ONLY) 3.1L (1 of 2)
- Chart C-10, A/C Clutch Control Circuit Diagnosis (Rear A/C Only) (2 Of 2) 3.1L
- Chart C-10, A/C Control Diagnosis (A/T) (1 Of 2) 4.3L Turbo PFI
- Chart C-10, A/C Clutch Control Diagnosis (A/T) (2 Of 2) 4.3L Turbo PFI
- Chart C-12, Cooling Fan Circuit Diagnosis (1 Of 2) 3.1L
- Chart C-12, Cooling Fan Circuit Diagnosis (2 Of 2) 3.1L
- Chart C-12A, Cooling Fan Circuit Diagnosis (1 Of 4) 3.8L
- Chart C-12B, Cooling Fan, On At All Times (2 Of 4) 3.8L
- Chart C-12C, Cooling Fan, No Puller Fan (3 Of 4) 3.8L
- Chart C-12D, Cooling Fan, No Pusher Fan (4 Of 4) 3.8L
- Intake Manifold Tuning Valve Assembly
- Component Locations