Engine Controls - Tests W/Codes

• Introduction
  • Notes
  • 1993 Terminology
  • Self-Diagnostic System
    • Hard Failures
    • Intermittent Failures
  • Retrieving Codes
    • Normal Mode
    • Test Mode
    • Momentary Interruption Test
  • Diagnostic Trouble Codes
    • Notes
    • MIL Flashes 2 Times Every Second
    • Code 12
    • Code 13
    • Code 14
    • Code 16
    • Code 21 (Except GS300 Calif.)
    • Code 21 (GS300 Calif.)
    • Code 22
    • Code 24
    • Code 25
    • Code 26 (Calif.)
    • Code 27 (Calif.)
    • Code 28 (Except GS300 Calif.)
    • Code 28 (GS300 Calif.)
    • Code 31 (ES300)
    • Code 31 (GS300 & SC300)
    • Code 32 (ES300)
    • Code 35 (GS300 & SC300)
    • Code 41 (GS300 & SC300)
    • Code 41 (ES300)
    • Code 42
    • Code 43
    • Code 47 (GS300 & SC300 With Traction Control)
    • Code 51
    • Code 52
    • Code 53
    • Code 55
    • Code 71 (Calif.)
    • Code 78 (GS300 & SC300)
  • Malfunction Indicator Light (Mil) Does Not Flash
  • Test Preparation
  • Clearing Codes
  • ECM Location
• Trouble Code Identification
• Diagnostic Code Charts
  • Code 12 - Rpm Signal Circuit
  • Code 13 - Rpm Signal Circuit
  • Code 14 - Ignition Signal Circuit
  • Code 16 - ECT Control Signal Malfunction
  • Codes 21 & 28 - Main Oxygen Sensor Circuit (Es300 & SC300)
  • Codes 21 & 28 - Main Oxygen Sensor Circuit (GS300 Ca)
  • Code 22 - Coolant Temperature Sensor Signal Circuit
  • Code 24 - Intake Air Temperature Sensor Signal Circuit
  • Codes 25 & 26 - Air/Fuel Ratio Malfunction (Es300)
  • Codes 25 & 26 - Air/Fuel Ratio Malfunction (GS300 & SC300)
  • Code 27 - Sub-Oxygen Sensor Circuit (Es300 Ca)
  • Code 27 - Sub-Oxygen Sensor Circuit (GS300 & SC300 Ca)
  • Code 31 - Low Airflow Meter Voltage (Es300)
  • Code 31 - Low Airflow Meter Voltage (GS300 & SC300)
  • Code 32 - High Airflow Meter Voltage (Es300)
  • Code 35 - Barometric Pressure Sensor Circuit (GS300 & SC300)
  • Code 41 - Throttle Position Sensor (TPS) Circuit (Es300)
  • Codes 41 & 47 - Throttle Position Sensor (TPS) Signal (GS300 & SC300)
  • Code 42 - Vehicle Speed Sensor (VSS) Signal Circuit
  • Code 43 - Starter Signal
  • Code 51 - Switch Condition Signal (Es300)
  • Code 51 - Switch Condition Signal (GS300 & SC300)
  • Codes 52, 53 & 55 - Knock Sensor Signal
  • Code 71 - EGR System Malfunction (Es300 Ca)
  • Code 71 - EGR System Malfunction (GS300 & SC300 Ca)
  • Code 78 - Fuel Pump Control Circuit (GS300 & SC300)
• Summary