Code P032, Open Manifold Absolute Pressure (Map) Sensor: Action
WARNING: This page is about a different car, the 1995 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
PCM turns on MIL, sets BARO to 92 kPa, and uses a substitute MAP value based on engine RPM and throttle position switch status (open or closed). PCM disables long term fuel trim.
NOTE:
Test numbers refer to numbers on diagnostic chart.
- Checks if circuit from sensor to PCM is able to respond to a 5-volt signal on MAP input. A reading of 106-109 kPa means wiring and PCM are okay.
- Checks for 5-volt reference signal at sensor connector.
- Checks circuit No. 432 for short to ground.
- Checks if PCM is able to respond to a 5-volt signal voltage on MAP input.
- Fault is most likely at PCM connector or PCM. Before replacing PCM, check for damaged pins or poor connections.