Engine Controls - Tests W/Codes

• Connector Identification
• Diagnostic Trouble Code Identification
• Circuit Tests
  • Notes
  • Malfunction Indicator Light (Mil) Malfunction
    • Intermittent Symptom
    • Malfunction Indicator Light (MIL) Never Comes On, Even For 2 Seconds, After Ignition Is Turned On
    • Malfunction Indicator Light (MIL) Stays On Or Comes On After 2 Seconds
  • DTC P0107 - Map Sensor Circuit Low Voltage Input
  • DTC P0108 - Map Sensor Circuit High Voltage Input
  • DTC P0112 - Intake Air Temperature (IAT) Sensor Low Voltage Input
  • DTC P0113 - Intake Air Temperature (IAT) Sensor High Voltage Input
  • DTC P0116 - Engine Coolant Temperature (ECT) Sensor Range/Performance Problem
  • DTC P0117 - Engine Coolant Temperature (ECT) Sensor Low Voltage Input
  • DTC P0118 - Engine Coolant Temperature (ECT) Sensor High Voltage Input
  • DTC P0122 - Throttle Position (TP) Sensor Low Voltage Input
  • DTC P0123 - Throttle Position (TP) Sensor High Voltage Input
  • DTC P0131 (Except Civic D16Y5 M/T) - Primary Ho2S-1 Low Voltage
  • DTC P0132 (Except D16Y5 M/T) - Primary Ho2S-1 Sensor High Voltage
  • DTC P0133 (Except D16Y5 M/T) - Primary Ho2S-1 Slow Response
  • DTC P0135 (Except D16Y5 M/T) Or DTC P0141 - Ho2S Heater Circuit Malfunction
  • DTC P0137 - Secondary Heated Oxygen Sensor-2 (Ho2S-2) Low Voltage
  • DTC P0138 - Secondary Heated Oxygen Sensor-2 (Ho2S-2) High Voltage
  • DTC P0139 - Primary Heated Oxygen Sensor-2 (Ho2S-2) Slow Response
  • DTC P0171 & P0172 - Fuel Supply System
  • DTC P0300-P0304 - Random Cylinder Misfire Detected
    • Notes
    • Random Misfire Occurs During Low RPM & Low Engine Load
    • Random Misfire Occurs During Acceleration
    • Random Misfire Occurs During High Engine RPM & Load, Or Under Other Random Conditions
  • DTC P0301-P0304 - Cylinder Misfire Detected
  • DTC P0325 (D16Y5 CVT & D16Y8) - Knock Sensor (KS) Circuit Malfunction
  • DTC P0335, P0336, P1361, P1362, P1381 & P1382 - CKP/TDC/CYP Sensor
  • DTC P0401 (D16Y5) - EGR Insufficient Flow
  • DTC P0420 - Catalytic System Efficiency Below Threshold
  • DTC P0452 - Fuel Tank Pressure (Ftp) Sensor Low Voltage
  • DTC P0453 - Fuel Tank Pressure (Ftp) Sensor High Voltage
  • DTC P0500 & P0501 - Vehicle Speed Sensor (VSS) Malfunction
  • DTC P0505 - Idle Control System Malfunction
  • DTC P1106 - BARO Sensor Range/Performance Problem
  • DTC P1107 & P1108 - BARO Sensor
  • DTC P1121 & P1122 - Throttle Position (TP) Sensor
  • DTC P1128 - Manifold Absolute Pressure (Map) Lower Than Expected
  • DTC P1129 - Manifold Absolute Pressure (Map) Higher Than Expected
  • DTC P1162 (D16Y5 M/T) - Primary Heated Oxygen Sensor-1 (Ho2S-1) Circuit Malfunction
  • DTC P1163 (D16Y5 M/T) - Primary Ho2S-1 Slow Response
  • DTC P1164 (D16Y5 M/T) - Primary Ho2S-1 Range/Performance Problem
  • DTC P1165 (D16Y5 M/T) - Primary Ho2S-1 Range/Performance Problem
  • DTC P1166 (D16Y5 M/T) - Primary Ho2S-1 Heater Circuit Malfunction
  • DTC P1167 (D16Y5 M/T) - Primary Ho2S-1 Heater Circuit Malfunction
  • DTC P1168 (D16Y5 M/T) - Primary Ho2S-1 Label Low Voltage Input
  • DTC P1169 (D16Y5 M/T) - Primary Ho2S-1 Label High Voltage Input
  • DTC P1259 (D16Y5 & D16Y8) - VTEC Pressure Switch & Solenoid Valve
  • DTC P1297 - Electrical Load Detector (Eld) Low Voltage Input
  • DTC P1298 - Electrical Load Detector (Eld) High Voltage Input
  • DTC P1336 & P1337 - Crankshaft Speed Fluctuation (CKF) Sensor
  • DTC P1359 - CKP/TDC/CYP Sensor Circuit Problem
  • DTC P1361, P1362, P1381 & P1382 - CKP/TDC/CYP Sensor
  • DTC P1456 & P1457 - EVAP System Leak Detected
  • DTC P1491 (D16Y5 CVT) - EGR System Malfunction
  • DTC P1491 (D16Y5 M/T) - EGR System Malfunction
  • DTC P1498 (D16Y5) - EGR Valve Lift Sensor High Voltage
  • DTC P1508 (D16Y5 M/T & D16Y8 M/T) - Idle Air Control (IAC) Valve
  • DTC P1509 (D16Y5 A/T, D16Y7 & D16Y8 A/T) - Idle Air Control (IAC) Valve
  • DTC P1607 - Pcm Internal Circuit
  • DTC P1655 (Civic D16Y5 CVT) - TMA/TMB Signal Line Failure