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Home >> Toyota >> 1997 >> RAV4 2D Utility, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Tests W/Codes >> Circuit Tests >> DTC P0106: Manifold Absolute Pressure (Map)/Barometric Pressure Sensor Circuit >> Circuit Description
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Circuit Description

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 P0106 is set. DTC is set when ECM detects MAP sensor output voltage is out of range. Possible cause is:

NOTE: If DTCs P0105 and P0106 are output together, an open may exist in MAP sensor circuit. Perform DTC P0105  circuit test before performing DTC P0106 circuit test.
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