Toyota Corolla (E120) 2002–2008 Repair Manual / Emission control / Cylinder head assy
Toyota Corolla (E120): Cylinder head assy
Other materials:
Transmitter battery
Replacement
1. Replace transmitter battery
Notice:
special caution should be taken for handling each component as they are
precision electronic components.
Using a screwdriver, pry out the transmitter case.
Notice:
do not forcibly pry out the case.
Hint:
tape the screwdriver tip ...
Circuit description
Refer to dtc p0130
Hint:
the ecm provides a pulse width modulated control circuit to adjust current
through the heater. The heated
oxygen sensor heater circuit uses a relay on the b+ side of the circuit.
Monitor description
The ecm uses the heated oxygen sensor information to regulate t ...
Circuit description
The rotary solenoid type idle air control (iac) valve is located
under the throttle body and intake air bypassing the throttle
valve flows into the iac valve through the passage.
In this way the intake air volume bypassing the throttle valve is
regulated, controls the engine speed.
The ...