Data List / Active Test
- 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 may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.
NOTE:In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.
- Connect the Techstream to the DLC3.
- Turn the power switch ON (IG).
- Turn the Techstream on.
- Enter the following menus: Body Electrical / Mayday Gateway / Data List.
- According to the display on the Techstream, read the "Data List".MAYDAY GATEWAY
Tester Display Measurement Item/Range Normal Condition Diagnostic Note Lost Message from Vehicle Bus Number of transmission buffer overrides (V BUS)/
0 to 2550 - Lost Message from Mayday Bus Number of transmission buffer overrides (mayday ECU)/
0 to 2550 - Send Wait-Frame Number of wait-frame transmissions/
0 to 2550 - Mayday ECU 1 ECU judgment/
WITH or WITHOUTWITH - Mayday ECU 2 ECU judgment/
WITH or WITHOUTWITHOUT - Mayday ECU 3 ECU judgment/
WITH or WITHOUTWITHOUT - Mayday ECU 4 ECU judgment/
WITH or WITHOUTWITHOUT - Wakeup from Vehicle Bus Wakeup judgment (V BUS)/
YES or NOYES - Wakeup from Mayday Bus Wakeup judgment (mayday ECU)/
YES or NOYES - Battery Voltage Vehicle battery voltage
0 to 25.5 [V]Displays present battery state - #DTC Number of diagnosis codes - -