Toyota Highlander Service Manual: Diagnostics

Preparation

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Engine control system

PREPARATION Recomended Tools Equipment ...

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Inspection
1. INSPECT MASS AIR FLOW METER (a) Check the output voltage.  Apply battery voltage across terminals 1 (+B) and 2 (E2G).  Connect the positive (+) tester probe to terminal 3 (VG), and negative (-) tester probe to terminal 2 (E2G).  Blow air into the Mass Air Flow (M ...