If a warning message is shown on the multi-information display, stay calm and perform the following actions:

If any of the warning message or indicator comes on again after the following actions have been performed, contact your toyota dealer.
If a warning light turns on
or a warning buzzer
sounds
Warning message and warning buzzer listInspection
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
VG, and negative (-) tester probe to terminal E2G.
Blow air into the Mass Air Flow (MAF) meter, ...