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Engine Controls - Tests W/Codes Expand All (for easy ctrl-f) Collapse All Introduction Self-Diagnostic System Test Equipment Connector Identification Circuit Tests Notes No DTC - Powertrain Control Module (Pcm) DTC P0106 - Manifold Absolute Pressure (Map) Sensor DTC P0107 - Map Sensor DTC P0108 - Map Sensor DTC P0112 - Intake Air Temperature (IAT) Sensor DTC P0113 - Intake Air Temperature (IAT) Sensor DTC P0116 - ECT Sensor DTC P0117 - Engine Coolant Temperature (ECT) Sensor DTC P0118 - Engine Coolant Temperature (ECT) Sensor DTC P0122 - Throttle Position (TP) Sensor DTC P0123 - Throttle Position (TP) Sensor DTC P0131 - Front Ho2S Sensor 1 (Except Civic D16Y5 M/T) DTC P0132 - Front Ho2S Sensor 1 (Except Civic D16Y5 M/T) DTC P0133 - Front Ho2S Sensor 1 (Except Civic With D16Y5 M/T) DTCS P0135 & P0141 - Ho2S Heater (Except Civic D16Y5 M/T) DTC P0137 - Rear Heated Oxygen Sensor (Ho2S) Sensor 2 DTC P0138: Rear Heated Oxygen Sensor-2 (Ho2S-2) High Voltage DTC P0139 - Rear Heated Oxygen Sensor (Ho2S) Sensor 2 DTCS P0171 & P0172 - Fuel Supply System DTCS P0301, P0302, P0303, P0304, P0305 & P0306 - Misfire In One Cylinder DTCS P0301 Or P1300, P0302, P0303, P0304, P0305 & P0306 - Misfire Of Multiple Cylinders DTC P0325 - Knock Sensor (KS) DTCS P0335, P0336, P1361, P1362, P1381 & P1382 - CKP/TDC/CYP Sensor DTC P0401 - EGR System (Civic D16Y5) DTC P0420 - Three-Way Catalytic Converter (TWC) DTC P0441 - Evaporative Emission (EVAP) Control (Civic Except D16Y8 Coupe & Civic DEL Sol) DTC P0452 - Ftp Sensor (Civic D16Y8 Coupe) DTC P0453 - Ftp Sensor (Civic D16Y8 Coupe) DTCS P0500 & P0501 - Vehicle Speed Sensor (VSS) DTC P0505 - Idle Control System (Civic) DTC P0505 - Idle Control System (Civic DEL Sol) DTCS P1107 & P1108 - Barometric Pressure (BARO) Sensor DTC P1162 - Front Heated Oxygen Sensor (Ho2S) Sensor 1 (Civic D16Y5 M/T) DTC P1163 - Front Heated Oxygen Sensor (Ho2S) Sensor 1 (Civic D16Y5 M/T) DTC P1164 - Front Heated Oxygen Sensor (Ho2S) Sensor 1 (Civic D16Y5 M/T) DTC P1165 - Front Heated Oxygen Sensor (Ho2S) Sensor 1 (Civic D16Y5 M/T) DTC P1166 - Ho2S Heater (Civic D16Y5 M/T) DTC P1167 - Ho2S Heater (Civic D16Y5 M/T) DTC P1168 - Front Ho2S Sensor 1 (Civic D16Y5 M/T) DTC P1169 - Front Ho2S Sensor 1 (Civic D16Y5 M/T) DTC P1259 - VTEC Pressure Switch & Solenoid Valve DTC P1297 - Electrical Load Detector (Eld) DTC P1298 - Electrical Load Detector (Eld) DTCS P1336 & P1337 - Crankshaft Speed Fluctuation (CKF) Sensor DTC P1359 - Crankshaft Position/Top Dead Center (CKP/TDC/CYP) Sensor DTCS P1456 & P1457 - EVAP Control DTC P1491 - EGR System (Except Civic D16Y5 M/T) DTC P1491 - EGR System (Civic D16Y5 M/T) DTC P1498 - Exhaust Gas RECIRCULATION (EGR) System DTC P1508 - Idle Air Control (IAC) Valve DTC P1509 - Idle Air Control (IAC) Valve DTC P1607 - Pcm Internal Circuit (Except Civic DEL Sol) DTC P1607 - Pcm Internal Circuit (Civic DEL Sol) DTC P1655 - TMA/TMB Signal Line (Civic D16Y5 CVT) DTCS P1705 & P1706 - A/T Gear Position Switch (Civic DEL Sol) DTCS P1753 & P1758 - A/T Lock-Up Control Solenoid Valve (Civic DEL Sol) Summary Wiring Diagrams