Interior
ComponentsDiagnosis system
Description
When troubleshooting on-board diagnostic (obd
ii) vehicles, the vehicle must be connected to the
obd ii scan tool (complying with sae j1987).
Various data output from the vehicle's ecm can
then be read.
Obd ii regulations require that the vehicle's onboard
computer ...
Registration
Notice:
The vehicle identification number (vin) must be input
into the replacement ecm.
Hint:
The vin is a 17-digit alphanumeric number. The intelligent
tester is required to register the vin.
Description
This registration section consists of 3 parts: input
instructions, read vin and wr ...
Brake switch "B" circuit high
Description
The purpose of this circuit is to prevent the engine from stalling while
driving in the lock-up condition when
the brakes are suddenly applied.
When the brake pedal is depressed, this switch sends a signal to the ecm. Then
the ecm cancels the
operation of the lock-up clutch ...