Wrangler 4WD L4-150 2.5L VIN P MFI (1998)
Manifold Pressure/Vacuum Sensor: Testing and Inspection
MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR TEST
Fig. 25 Sensor Location
To perform a complete test of Manifold Absolute Pressure (MAP) sensor (Fig. 25) and its circuitry refer Powertrain Management/Computers and
Control Systems/Testing and Inspection.
See: Powertrain Management/Computers and Control Systems/Testing and Inspection
To test the MAP sensor only, refer to the following:
Fig. 26 Rubber L-Shaped Fitting-MAP Sensor-to-Throttle Body
1. Inspect rubber L-shaped fitting from MAP sensor to throttle body (Fig. 26). Repair as necessary.
CAUTION: When testing the MAP sensor, be sure that the harness wires are not damaged by the test meter probes.
Fig. 27 MAP Sensor Connector Terminals-Typical
2. Test MAP sensor output voltage at MAP sensor connector between terminals A and B (Fig. 27). With ignition switch ON and engine OFF, output