Lexus ES manuals

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

U029387

Lost Communication With Hybrid Powertrain Control Module Missing Message

U115187

Lost Communication with Hybrid Powertrain Control Module (C-Bus) Missing Message

READ NEXT:

 Dtc Check / Clear

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

 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 AUXILIARY BATTERY VOLTAGE (a)

SEE MORE:

 Headup Display Communication Stop Mode

DESCRIPTION Detection Item Symptom Trouble Area Headup Display Communication Stop Mode Any of the following conditions are met: Communication stop for "Head Up Display" is indicated on the "Communication Bus Check" screen of the Techstream. Click here Communication stop history

 Remote Up / Down Function does not Operate

DESCRIPTION When the engine switch on (IG), the multiplex network master switch assembly sends remote up and down signals to each power window regulator motor assembly via LIN communication. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: The power window control system uses the LIN communication

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