Lexus ES: Data List / Active Test
DATA LIST / ACTIVE TEST
DATA LIST
NOTICE:
In the following table, 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.
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Active Noise Control / Data List.
(e) Read the Data List according to the display on the Techstream.
Body Electrical > Active Noise Control > Data List| Tester Display | Measurement Item | Range | Reference Value | Diagnostic Note |
|---|---|---|---|---|
| Total Distance Traveled | Displays the current total driving distance | 0 to 16777215 | Equivalent to the actual total driving distance | Refer to the Total Distance Traveled - Unit for the units |
| Total Distance Traveled - Unit | Displays the current total driving distance units | km or mile | Units according destination | - |
ACTIVE TEST
HINT:
Using the Techstream to perform Active Tests allows relays, VSVs, actuators and other items to be operated without removing any parts. This non-intrusive functional inspection can be very useful because intermittent operation may be discovered before parts or wiring is disturbed. Performing Active Tests early in troubleshooting is one way to save diagnostic time. Data List information can be displayed while performing Active Tests.
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Active Noise Control / Active Test.
(e) Perform the Active Test according to the display on the Techstream.
Body Electrical > Active Noise Control > Active Test| Tester Display | Measurement Item | Control Range | Diagnostic Note |
|---|---|---|---|
| Sound (All CH) | Test sound outputs in following order: Front No. 1 speaker assembly LH → Front No. 1 speaker assembly RH → Speaker assembly with bracket | ON or OFF | - |
| Sound "CH1" | Test sound output from front No. 1 speaker assembly LH | ON or OFF | - |
| Sound "CH2" | Test sound output from front No. 1 speaker assembly RH | ON or OFF | - |
| Sound "CH3" | Test sound output from speaker assembly with bracket | ON or OFF | - |
| Sound "CH4" | - | - | Cannot be used |
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DIAGNOSTIC TROUBLE CODE CHART Active Noise Control System DTC No. Detection Item Link B1AA044 ANC ECU EEPROM Data Memory Failure B1AA187 UART Communication Between ANC and Audi
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DTC CHECK / CLEAR CHECK FOR DTC (CHECK USING TECHSTREAM) (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Elec
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FREEZE FRAME DATA CHECK FREEZE FRAME DATA HINT: Whenever an active noise control system DTC is stored, the stereo component equalizer assembly stores the current vehicle state as freeze frame data. (a
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System Diagram
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IG SW signal
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A
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