Parts location


System diagram

Problem symptoms table
Hint:
Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "suspected area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Horn
Horn relayCatalyst 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 ...
Closing the fuel tank cap
After refueling, turn the fuel tank
cap until you hear a click. Once
the cap is released, it will turn
slightly in the opposite direction.
Caution
When replacing the fuel tank cap
Do not use anything but a genuine toyota fuel tank cap designed for
your
vehicle. Doing so may cause a fire ...
Reassembly
Install cooler (solar sensor) thermistor
(for automatic air conditioning system)
Install automatic light control sensor
(for automatic light control system)
Install front passenger airbag assembly
(see page rs-351)
Install no. 2 Instrument panel register
assembly
Install no. 1 Ins ...