COMPONENTS
ILLUSTRATION
On-vehicle InspectionData List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuator and other items to be read without removing any parts. This non-intrusive
inspection can be very useful beca ...
Engine immobilizer system
The vehicle’s keys have built-in transponder chips that prevent the engine
from starting if the key has not been previously registered in the vehicle’s on-board
computer.
Never leave the keys inside the vehicle when you leave the vehicle.
Vehicles ...
Brake Switch "B" Circuit High (P0724)
DESCRIPTION
The purpose of this circuit is to prevent the engine from stalling when brakes
are suddenly applied while driving in lock-up condition.
When the brake pedal is depressed, the stop light switch sends a signal to the
ECM. Then the ECM cancels t ...