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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), Fuel tank pressure sensor (P0452 / P0453), Fuel vapor temp. sensor (P2026 / P2027), Fuel level sensor (P0463) and Barometric pressure sensor (P2227 / P2228 / P2229) are checked for open, short of circuit by monitoring input voltage.

DTC Description / Detecting Condition / Confirmation Procedure

P0102
Refer to DTC P0102: Mass Air Flow (MAF) Sensor Circuit Low Voltage:H25 Engine.

P0103
Refer to DTC P0103: Mass Air Flow (MAF) Sensor Circuit High Voltage:H25 Engine.

P0107, P0108
Refer to DTC P0107 / P0108: Manifold Absolute Pressure Sensor Circuit Low / High Input:H25 Engine.

P0112
Refer to DTC P0112: Intake Air Temperature (IAT) Sensor Circuit Low Input:H25 Engine.

P0113
Refer to DTC P0113: Intake Air Temperature (IAT) Sensor Circuit High Input:H25 Engine.

P0117
Refer to DTC P0117: Engine Coolant Temperature (ECT) Sensor Circuit Low Input:H25 Engine.

P0118
Refer to DTC P0118: Engine Coolant Temperature (ECT) Sensor Circuit High Input:H25 Engine.

P0122
Refer to DTC P0122: Throttle Position (TP) Sensor Circuit Low Input:H25 Engine.

P0123
Refer to DTC P0123: Throttle Position (TP) Sensor Circuit High Input:H25 Engine.

P0452, P0453
Refer to DTC P0452 / P0453: Evaporative Emission Control System Pressure Sensor Low / High Input:H25 Engine.

P2026, P2027
Refer to DTC P2026 / P2027: Evaporative Emission Fuel Vapor Temperature Sensor Circuit Low Voltage / High Voltage:H25 Engine.

P0463
Refer to DTC P0463: Fuel Level Sensor Circuit High Input:H25 Engine.

P2228, P2229
Refer to DTC P2227 / P2228 / P2229: Barometric Pressure Circuit Performance Problem / Low / High:H25 Engine.

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Sensor Circuit Monitor

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MAP Sensor Rationality Monitor

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MAF Sensor Rationality Monitor

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IAT Sensor Rationality Monitor

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ECT Sensor Rationality Monitor

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TP Sensor Rationality Monitor

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Fuel Tank Pressure Sensor Rationality Monitor

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Fuel Level Sensor Rationality Monitor

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VSS Rationality Monitor

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Fuel Vapor Temp. Sensor Rationality Monitor

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Barometric pressure sensor rationality monitor

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CKP Sensor Rationality Monitor

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CMP Sensor Rationality Monitor

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Starter signal circuit monitor

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ECM internal circuit/memory monitor