Diagnosis Circuit
ComponentsEngine compartment
► 2GR-FE engine
1. Engine coolant reservoir
2. Engine oil filler cap
3. Engine oil level dipstick
4. Brake fluid reservoir
5. Battery
6. Fuse box
7. Electric cooling fans
8. Condenser
9. Radiator
10.Washer fluid tank
► 1AR-FE engine
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Catalyst System Efficiency Below Threshold (Bank 1) (P0420)
MONITOR DESCRIPTION
The ECM uses sensors mounted in front of and behind the Three-Way Catalytic Converter
(TWC) to monitor its efficiency.
The first sensor, the air fuel ratio sensor, sends pre-catalyst information to
the ECM. The second sensor, the heat ...
Child restraint systems with a top tether strap
Secure the child restraint using
a seat belt or lower anchors, and do the following.
► Outside
Adjust the head restraint to the upmost position.
► Center
Lower the head restraint to the lowest position.
Open the anchor bracket cover, ...