ECS Engine Control System

Description
Operation
- Notes
- Electronic Fuel Injection (EFI)
- Data Sensors
- Electronic Control Unit (Ecu)
- MECHATRO Spark Control (Ms) System
- Fuel Cut System
- Diagnostic System
- Catalytic Converter
Diagnosis & Testing
- Diagnosis
  - Diagnose ECS in the following order:
- Recalling Trouble Codes
- ECS Trouble Code Identification
- System Testing
  - ECS Voltage Tests
  - ECS Resistance Tests
Diagnostic Circuit Check
Trouble Codes 2 & 3 - Air Flow Meter & Circuit
Trouble Code 4 - Coolant Temp. Sensor & Circuit
Trouble Code 5 - Oxygen Sensor & Circuit
Trouble Code 6 - Ignition Signal
Trouble Code 7 - TPS & CKT (All Exc. Starlet 5-Speed)
MECHATRO Spark (Ms) Control System CKT (Starlet 5-Speed Only)
EFI Circuit Check
"Check Engine" Lamp Circuit Check
A/C Switch Check
Injector Circuits Check
ECS Voltage & Resistance Specifications
- Notes
- Component Testing
  - Air Flow Meter
Air Flow Meter Resistance Specifications
Throttle Position Sensor (TPS) Specifications
Fuel Cutoff Rpm Specifications
Wiring Diagram
Adjustments
- Throttle Position Sensor (TPS)