For your informationDiagnosis system
Description
Engine immobiliser system data and diagnostic
trouble codes (dtcs) can be read through the
vehicle's data link connector 3 (dlc3). In some
cases, a malfunction may be occurring in the engine
immobiliser system even though the security
indicator light is not illuminated ...
Vc output circuit
Description
The ecm constantly generates 5 v power from the battery voltages supplied to
the +b (batt) terminal to
operate the microprocessor. The ecm also provides this power to the sensors
through the vc output
circuit.
When the vc circuit is short-circuited, the microprocessor in the ...
Dtc check / clear
Notice:
When the diagnosis system is changed from normal
mode to check mode or vice versa, all dtcs and freeze
frame data recorded in normal mode are erased. Before
changing modes, always check and make a note of any
dtcs and freeze frame data.
Hint:
Dtcs which are stored in the ecm can be ...