REMOVAL & INSTALLATION

1. Disconnect the negative battery cable. Wait at least 90 seconds before proceeding on models with an airbag.

   CAUTION
   Some models covered by this manual may be equipped with a Supplemental Restraint System (SRS), which uses an air bag. Whenever working near any of the SRS components, such as the impact sensors, the air bag module, steering column and instrument panel, disable the SRS, as described in Section 6.

2. Disconnect the air flow meter wiring harness from the unit.

   Fig. 1: View of the Mass Airflow Meter and surrounding components — 2TZ-FZE engine

3. Disconnect the A/C idle-up valve wiring.
4. Separate the A/C idle-up air hoses form the valve.
5. Loosen the air cleaner hose clamp.
6. Loosen the 4 clips, and remove the air cleaner cap with MAF meter as an assembly off the engine.
7. Remove the MAF meter retaining bolts.
8. Installation is the reverse order of removal. Tighten the meter screws to 61 inch lbs. (7 Nm).