Diesel Data: Automotive Repair

On-Vehicle Inspection

AIR PUMP SYSTEM (2ZZ-GE)
ON-VEHICLE INSPECTION


1. INSPECT PRESSURE SENSOR
a. Inspect the voltage.
(1) Turn the ignition switch ON.







(2) Using a voltmeter, measure the voltage between terminals AIP and E2 of the ECM connector.







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