Lexus ES: 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 engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Central Gateway / Data List.
Body Electrical > Central Gateway > Data List| Tester Display |
|---|
| IG2 SW |
| IG1 SW |
| ACC SW |
| +B Voltage |
| Number of DTC |
(e) Read the Data List.
Body Electrical > Central Gateway > Data List| Tester Display | Measurement Item | Range | Normal Condition |
|---|---|---|---|
| IG2 SW | Engine switch on (IG) signal (IG2 terminal) | OFF or ON | OFF: Engine switch on (ACC) or off ON: Engine switch on (IG) |
| IG1 SW | Engine switch on (IG) signal (IG1 terminal) | OFF or ON | OFF: Engine switch on (ACC) or off ON: Engine switch on (IG) |
| ACC SW | Engine switch on (ACC) signal (ACC terminal) | OFF or ON | OFF: Engine switch off ON: Engine switch on (ACC) or on (IG) |
| +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 | 0: Normal |
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Fail-safe Chart
FAIL-SAFE CHART FAIL-SAFE FUNCTION (a) When communication fails in any of the CAN bus lines (communication lines), a fail-safe function(s) will operate. The fail-safe function that is specified for ea
Dtc Check / Clear
DTC CHECK / CLEAR CHECK FOR DTC (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Central Gateway
Dtc Combination Table
DTC COMBINATION TABLE HOW TO INTERPRET COMMUNICATION DTCS (DTCS THAT START WITH U) (a) If a CAN communication error cannot be reproduced, determine the suspected malfunctioning part using the DTCs sto
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