Hint:
Using the intelligent tester's data list allows switch, actuator and other item values to be read without removing any parts. Reading the data list early in troubleshooting is one way to save time.


Diagnosis system
Diagnostic trouble code chartMil circuit
Description
The mil (malfunction indicator lamp) is used to indicate vehicle malfunction
detections by the ecm.
When the ignition switch is turned on, power is supplied to the mil circuit, and
the ecm provides the
circuit ground which illuminates the mil.
The mil operation can be checked ...
Front airbag sensor
Components
On-vehicle inspection
Check front airbag sensor (vehicle not
involved in collision and airbag not
deployed)
Perform a diagnostic system check (see page rs-
49).
Check front airbag sensor (vehicle
involved in collision and airbag has not
deployed)
Perfo ...
Air-fuel ratio (a/f) and heated oxygen (ho2) sensor
heater monitors (front a/f and rear ho2 sensor type)
Preconditions
The monitor will not run unless:
The mil is off.
Drive pattern
Connect the intelligent tester to the dlc3.
Turn the ignition switch on.
Turn the tester on.
Clear dtcs (if set) (see page es-35).
Start the engine.
Allow the engine to idle for 10 minute ...