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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Installation
INSTALLATION PROCEDURE 1. INSTALL VACUUM PUMP ASSEMBLY (a) When using a new vacuum pump assembly: (1) Apply engine oil to the No. 2 O-ring and No. 3 O-ring which are installed to a new vacuum pump assembly. *1 No. 2 O-ring *2 No. 3 O-ring Engine oil (b) When reusing the vacuum
Removal
REMOVAL PROCEDURE 1. REMOVE INSTRUMENT PANEL FINISH PANEL END LH Click here 2. REMOVE INSTRUMENT PANEL FINISH PANEL END RH Click here 3. REMOVE CENTER INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY Click here 4. REMOVE SHIFT LEVER KNOB SUB-ASSEMBLY for UA80E: Click here for P710: Click here
