Sensors & Switches
WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 1998 GMC Savana Special, 1998 GMC Savana Camper Special, 1998 GMC Savana, 1998 Chevrolet RV Cutaway, and 1998 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
VCM controls converter clutch lock-up, upshifts and downshifts based on transmission temperature, system voltage, throttle position, transmission oil pressure switches, and transmission output and input (engine) speed sensors. See Fig 1. System includes several other sensors and switches that are used for engine control (gasoline engines). For additional information and testing of engine components, see SYSTEM/COMPONENT TESTS article in ENGINE PERFORMANCE:
- SYSTEM/COMPONENT TESTS - (4.3L 1997).
- SYSTEM/COMPONENT TESTS - (4.3L 1998).
- SYSTEM/COMPONENT TESTS - (5.0L 1997).
- SYSTEM/COMPONENT TESTS - (5.0L 1998).
- SYSTEM/COMPONENT TESTS - (5.7L 1997).
- SYSTEM/COMPONENT TESTS - (5.7L 1998).
- SYSTEM/COMPONENT TESTS - (7.4L 1997).
- SYSTEM/COMPONENT TESTS - (7.4L 1998).