Engine Controls - Tests W/Codes - 4-CYL

• Introduction
• Self-Diagnostic System
  • Hard Failures
  • Intermittent Failures
  • Retrieving Trouble Codes
    • Notes
    • Toyota Scan Tester
    • Normal Mode
    • Test Mode
  • Notes On Trouble Codes
  • Clearing Trouble Codes
  • Trouble Code Detection Driving Pattern Tests
  • ECM Location
• Trouble Code Diagnostic Hints
• Trouble Code Identification
• Trouble Code Charts
  • Diagnostic Circuit Check ("Te1" & "Te2" Terminal Circuit)
  • ECM Power Source Circuit Check
  • ECM Back-Up Power Source Circuit Check
  • DTC 12 - Rpm Signal (Except CALIF.)
  • DTC 12 - Rpm Signal (CALIF.)
  • DTC 13 - Rpm Signal
  • DTC 14 - Ignition Signal Circuit
  • DTC 16 - A/T Control Signal
  • DTC 21 - Oxygen Sensor Signal
  • DTC 22 - Engine Coolant Temperature Sensor Signal
  • DTC 24 - Intake Air Temperature Sensor Signal
  • DTC 25/26 - Lean Or Rich Air/Fuel Mixture
  • DTC 27 - Sub-Oxygen Sensor Signal
  • DTC 31 - Map Sensor Signal
  • DTC 41 - Throttle Position Sensor Signal
  • DTC 42 - Vehicle Speed Sensor Signal
  • DTC 43 - Starter Signal Circuit
  • DTC 51 - Switch Condition Signal
  • DTC 52 - Knock Sensor Signal
  • DTC 71 - EGR System Malfunction
• Summary