Mass Air Flow Meter (3MZ-FE): Replacement

WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.

DISCONNECT ENGINE WIRE NO. 3 (BATTERY NEGATIVE TERMINAL)
REMOVE MASS AIR FLOW METER
1. Disconnect the mass air flow meter connector.
2. Remove the 2 screws, then remove the mass air flow meter.
  
  Fig 1: Removing Mass Air Flow Meter
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL MASS AIR FLOW METER
CONNECT ENGINE WIRE NO. 3 (BATTERY NEGATIVE TERMINAL)
Torque: 5.4 N.m (55 kgf.cm, 48 in.lbf)
SYSTEM INITIALIZATION (See PRECAUTION )