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:

 Hybrid/EV Battery Energy Control Module Processor from Monitoring Processor Missing Message (P060A87)

DESCRIPTION The battery ECU assembly monitors its internal operation and will store these DTCs when it detects an internal malfunction. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate P060A87 Hybrid/EV Battery Energy Control Module Processor from M

 On-vehicle Inspection

ON-VEHICLE INSPECTION PROCEDURE 1. OPERATION CHECK (a) Disconnect the No. 1 vacuum hose connector from the vacuum pump assembly. Click here (b) Connect the hose of the vacuum gauge to the vacuum pump assembly. *a Vacuum Gauge *b Plug (c) Start the engine and warm i

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