Circuit Description

This test determines when the MAP sensor is sticking. The PCM does this by checking for throttle position changes that are not immediately followed by MAP signal changes. When a throttle position change of 3.2 degrees within .5 second occurs, the PCM watches the MAP signal for one second following the throttle position change. If MAP signal does not change by at least 4 kPa in this period and MAP sensor reading is greater than 17.3 kPa than the expected MAP reading (based on engine speed and throttle position), DTC will set.

Conditions for setting DTC:

• DTCs P0106, P0107, P0108, P0122, P0123 and P1108 not set.
• MAP at least 21.5 kPa.
• Engine vacuum at least 11.8 kPa.