Lexus ES: Diagnostic Trouble Code Chart
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 Audio Amplifier Missing Message | |
| B1AA296 | Front Left Microphone Circuit Component Internal Failure | |
| B1AA31C | Front Left Microphone Circuit Circuit Voltage Out of Range | |
| B1AA696 | Front Right Microphone Circuit Component Internal Failure | |
| B1AA71C | Front Right Microphone Circuit Circuit Voltage Out of Range | |
| B1AAA96 | Rear Center Microphone Circuit Component Internal Failure | |
| B1AAB1C | Rear Center Microphone Circuit Circuit Voltage Out of Range | |
| P033531 | Crankshaft Position Sensor "A" No Signal | |
| U010087 | Lost Communication With ECM/PCM "A" Missing Message | |
| U012987 | Lost Communication With Brake System Control Module Missing Message | |
| U014087 | Lost Communication with Body Control Module Missing Message | |
| U016487 | Lost Communication with HVAC Control Module Missing Message | |
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Dtc Check / Clear
DTC CHECK / CLEAR CHECK FOR DTC (CHECK USING TECHSTREAM) (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 Ele
Freeze Frame Data
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
How To Proceed With Troubleshooting
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK
NEXT 3. INSPECT BATTERY VOLTAGE (a) Measure th
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Removal
REMOVAL PROCEDURE 1. REMOVE VACUUM SWITCHING VALVE (for Active Control Engine Mount System) Click here 2. REMOVE V-BANK COVER SUB-ASSEMBLY Click here 3. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH Click here 4. REMOVE FRONT WHEEL OPENING EXTENSION PAD RH Click here 5. REMOVE NO. 1 ENGI
Radio Broadcast cannot be Received or Poor Reception
CAUTION / NOTICE / HINT NOTICE:
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System.
Click here
When replacing the radio receiver assembly, always re
