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:

MAP sensor.

NOTE: If DTCs P0105 and P0106 are output together, an open may exist in MAP sensor circuit. Perform DTC P0105 test before performing DTC P0106 test. If DTCs P0105, P0106, P0110, P0115 and P0120 are output together, sensor ground circuit may be open. Repair as necessary. See appropriate wiring diagram in WIRING DIAGRAMS article.