Inspect Pressure Sensor

a. Turn the ignition switch to the ON position.

b. Measure the voltage between terminals AIP and E2 of the ECM connector. Voltage: 1.0 to 2.2 V

If the voltage is not as specified, replace the pressure sensor.

Toyota Highlander E11 Connector
Fig. 15: Measuring Voltage Between Terminals AIP & E2 Of ECM Connector Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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