DTC P0107: Manifold Absolute Pressure / Barometric Pressure Circuit Low Input; DTC P0108: Manifold Absolute Pressure / Barometric Pressure Circuit High Input: Description

The manifold absolute pressure sensor detects pressure inside the intake manifold as an absolute pressure with a built-in sensor and outputs a voltage. Based on the voltage from the vacuum sensor, the ECM controls the air fuel ratio, and corrects any errors in the pressure sensor due to changes in pressure.

Fig 1: Identifying Output Voltage To Manifold Absolute Pressure Graph

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DTC No.	DTC Detecting Condition	Trouble Area
P0107	The output voltage from the manifold absolute pressure sensor below 0.5 V for 0.5 seconds (1 trip detection logic).	Open or short in manifold absolute pressure sensor circuit Manifold absolute pressure sensor ECM
P0108	The output voltage from the manifold absolute pressure sensor higher than 4.5 V for 0.5 seconds (1 trip detection logic).	Open or short in manifold absolute pressure sensor circuit Manifold absolute pressure sensor ECM

HINT:

When DTC P0107 or P0108 is detected, check the manifold absolute pressure by selecting Powertrain / Engine and ECT / Data List / Primary / MAP on the Techstream.

Manifold Absolute Pressure (kPa)	Malfunction
Approximately 0 kPa	Short in PIM circuit to ground Short in PIM circuit to E2 circuit Open in VC circuit
130 kPa or higher	Short in VC circuit to PIM circuit Open in PIM circuit Open in E2 circuit