OBD System Description - Comprehensive Component (Engine Input) Monitor

OBD System Description - Comprehensive Component (Engine Input) Monitor

Monitoring Procedure

Input signals of MAF (P0102 / P0103), MAP (P0107 / P0108), IAT (P0112 / P0113), ECT (P0117 / P0118), TP (P0122 / P0123), Knock sensor (P0327 / P0328), Fuel tank pressure sensor (P0452 / P0453), Fuel level sensor (P0463) and Barometric pressure sensor (P1450) are checked for open, short of circuit by monitoring input voltage.

DTC Description / Detecting Condition / Confirmation Procedure

P0101

Refer to P0101 DTC P0101: Mass Air Flow (MAF) Circuit Performance Problem.

P0102

Refer to P0102 DTC P0102: Mass Air Flow (MAF) Sensor Circuit Low Input.

P0103

Refer to P0103 DTC P0103: Mass Air Flow (MAF) Sensor Circuit High Input.

P0107

Refer to P0107 DTC P0107: Manifold Absolute Pressure (MAP) Sensor Low Input.

P0108

Refer to P0108 DTC P0108: Manifold Absolute Pressure (MAP) Sensor High Input.

P0111

Refer to P0111 DTC P0111: Intake Air Temp. (IAT) Circuit Range / Performance Problem.

P0112

Refer to P0112 DTC P0112: Intake Air Temp. (IAT) Circuit Low Input.

P0113

Refer to P0113 DTC P0113: Intake Air Temp. (IAT) Circuit High Input.

P0116

Refer to P0116 DTC P0116: Engine Coolant Temp. (ECT) Circuit Range / Performance Problem.

P0117

Refer to P0117 DTC P0117: Engine Coolant Temp. (ECT) Circuit Low Input.

P0118

Refer to P0118 DTC P0118: Engine Coolant Temp. (ECT) Circuit High Input.

P0121

Refer to P0121 DTC P0121: Throttle Position Circuit Range / Performance Problem.

P0122

Refer to P0122 DTC P0122: Throttle Position Circuit Low Input.

P0123

Refer to P0123 DTC P0123: Throttle Position Circuit High Input.

P0125

Refer to P0125 DTC P0125: Insufficient Coolant Temperature for Closed Loop Fuel Control.

P0327, P0328

Refer to P0327 DTC P0327 / P0328: Knock Sensor Circuit Low Input / High Input.

P0335

Refer to P0335 DTC P0335: Crankshaft Position (CKP) Sensor Circuit Malfunction.

P0340

Refer to P0340 DTC P0340: Camshaft Position (CMP) Sensor Circuit Malfunction.

P0451

Refer to P0451 DTC P0451: Evaporative Emission Control System Pressure Sensor Performance.

P0452

Refer to P0452 DTC P0452: Evaporative Emission Control System Pressure Sensor Low Input.

P0453

Refer to P0453 DTC P0453: Evaporative Emission Control System Pressure Sensor High Input.

P0461

Refer to P0461 DTC P0461: Fuel Level Sensor (Gauge) Circuit Performance Problem.

P0463

Refer to P0463 DTC P0463: Fuel Level Sensor (Gauge) Circuit High Input.

P0500

Refer to P0500 DTC P0500: Vehicle Speed Sensor (VSS) Malfunction.

P1450, P1451

Refer to P1450 DTC P1450 / P1451: Barometric Pressure Sensor Circuit Malfunction / Performance Problem.

Sensor Circuit Monitor

Operation