MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR INSPECTION [WITH WU-TWC]
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Voltage Inspection
1. Remove the MAP sensor with the connector still connected.
2. Remove the MAP sensor hose.
3. Turn the ignition switch to the ON position.
4. Verify that the PCM terminal 2S (MAP sensor output voltage) is within the specification.
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5. Install the vacuum pump to the MAP sensor.
6. Verify that the change in the PCM terminal 2S (MAP sensor output voltage) is within the specification when a vacuum of 30 kPa {225 mmHg, 8.86 inHg} is applied.
Circuit Open/Short Inspection
1. Remove the PCM connector cover.
2. Disconnect the PCM connector. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [WITH WU-TWC].)
3. Inspect the following wiring harness for open or short circuit (continuity check).
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Open circuit
Short circuit