Cruise control system cruise control main switchCold start
Description
The electronic throttle control system (etcs) controls the engine idling
speed. The etcs operates the
throttle actuator to open and close the throttle valve, and adjusts the intake
air amount to achieve the
target idling speed.
In addition, the ecm retards the ignition timi ...
Hydraulic test
Measure line pressure
Notice:
Perform the test at the normal operating atf
temperature: 50 to 80°c (122 to 176°f).
The line pressure test should always be
performed with at least 2 people. One person
should observe the condition of the wheels or
wheel chocks while the other ...
Emission control system
Parts location
System diagram
On-vehicle inspection
Check fuel cut rpm
Increase the engine speed to at least 3,500 rpm.
Use a sound scope to check for injector operating
noise.
Check that the operating sounds stop momentarily
and then resume when the t ...