Engine Controls - System/Component Tests
- Introduction
- Computerized Engine Controls
- Engine Sensors & Switches
- Relays
- Fuel System
- Idle Control System
- Ignition System
- Emission Systems & Sub-Systems
- Miscellaneous Controls
- Notes
- Cooling Fan
- Electronic Cooling Fan System (GS300 & LS400)
- A/C Pressure Switch (LS400)
- Cooling Fan ECM (ES300 & SC400)
- Coolant Temperature Sensor (ES300, SC300 & SC400)
- Coolant Temperature Switch (GS300 & LS400)
- Cooling Fan Relay (GS300)
- Cooling Fan Main Relay (GS300), Engine Main Relay (LS400), & Cooling Fan Relay No. 3 (LS400)
- Cooling Fan Relay No. 1 & 2 (LS400)
- Cooling Fan Motor (GS300 & LS400)
- Transmission