Toyota Corolla (E120): Components
Other materials:
Circuit description
A thermistor is built in the engine coolant temperature sensor and changes
the resistance value according
to the engine coolant temperature.
The structure of the sensor and connection to the ecm is the same as those of
the intake air temperature
sensor.
Hint:
if the ecm detects the dtc ...
Customer problem analysis
Hint:
in troubleshooting, the problem symptoms must be confirmed
accurately, meaning that all preconceptions
must be set aside in order to make an accurate judgement. To ascertain what
the problem symptoms
are, it is extremely important to ask the customer about the problem and
cond ...
Malfunction in tachometer
Wiring diagram
Inspection procedure
Check output value of ecm.
Connect the hand–held tester to dlc3.
Turn the ignition switch to on and push the hand–held tester main switch
on.
Select the data list mode on the hand–held tester.
2 Inspect combinatio ...