Toyota Tundra Service Manual: Data List / Active Test

Toyota Tundra Service Manual / Power Source, Network / Can Communication / Can Communication System / Data List / Active Test

DATA LIST / ACTIVE TEST

NOTICE:

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.

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.

DATA LIST

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(d) Enter the following menus: Body Electrical / Central Gateway / Data List.

(e) Read the Data List.

Tester Display	Measurement Item	Range	Normal Condition
IG2 SW	Ignition switch ON signal (IG2 terminal)	OFF or ON	OFF: Ignition switch ACC or off ON: Ignition switch ON
IG1 SW	Ignition switch ON signal (IG1 terminal)	OFF or ON	OFF: Ignition switch ACC or off ON: Ignition switch ON
ACC SW	Ignition switch ACC signal (ACC terminal)	OFF or ON	OFF: Ignition switch off ON: Ignition switch ACC or ON
+B Voltage	Battery voltage (BATT terminal)	Over 8 V or Under 8 V	Over 8 V: Battery voltage 8 V or higher Under 8 V: Battery voltage below 8 V
Number of DTC	Number of DTCs	0 to 255	Under 8 V: Battery voltage below 8 V

Combination Meter ECU Communication Stop Mode

Diagnosis System

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