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Home >> Toyota >> 1997 >> Corolla Base, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Control System Tests W/Codes - 1.8L) >> Circuit Tests >> DTC P0105: Manifold Absolute Pressure (Map)/Barometric Pressure Sensor Circuit >> Circuit Description
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Circuit Description

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MAP sensor detects manifold pressure as a voltage that is supplied to ECM. Signal is used to determine basic injection duration and basic injection advance angle. ECM will operate in fail-safe mode if DTC P0105 is set. DTC is set when ECM detects an open or short in MAP circuit. Possible causes are: