
Standard voltage (accel pos #1)
Standard voltage (accel pos #2)

If the result is not as specified, check the accelerator pedal rod, wire harness or ecm.
Accelerator pedal rod
RemovalLight bulbs
You may replace the following
bulbs by yourself. The
difficulty level of replacement
varies depending on
the bulb. If necessary bulb
replacement seems difficult
to perform, contact your
Toyota dealer.
For more information about
replacing other light bulbs,
contact your Toyota dealer.
Preparing for ...
Catalyst system efficiency below threshold (bank 1)
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 (a/f) sensor, sends pre-catalyst
information to the ecm. The second
sensor, the heated oxygen (ho2) sensor, se ...
System diagram
System diagram (2005/11-2006/01)
System diagram (2006/01- )
...