Removal
4wd Control EcuCheck For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS
1. DESCRIPTION
HINT:
A momentary interruption (open circuit) in the connectors and/or wire harness
between the sensors and ECUs can be detected through the ECU data monitor function
of the Techstream.
(a) Turn the ignition switch off.
(b) Connect the Techstre ...
Vehicle data recordings
Your Toyota is equipped with several sophisticated computers that will record
certain data, such as: • Engine speed
• Accelerator status
• Brake status
• Vehicle speed
• Shift position (except manual transmission)
The recorded data varies according to the vehicle grade level and opt ...
Data 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, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful because intermittent conditions or signals ...