Toyota Highlander Service Manual: Lighting system

Lighting

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Precaution

1. PRECAUTION OF HEADLAMP BULB REPLACEMENT (a) If even a thin film of oil is left on the surface of the halogen lamp, the bulb may be damaged because the lamp will burn at a higher temperature. ( ...

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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 ...