Lexus ES: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Blind Spot Monitor System| DTC No. | Detection Item | Link |
|---|---|---|
| C1A45 | Vehicle Speed Sensor | |
| C1A45 | Vehicle Speed Sensor | |
| C1A46 | Yaw Rate Sensor | |
| C1A46 | Yaw Rate Sensor | |
| C1A47 | Steering Angle Sensor | |
| C1A47 | Steering Angle Sensor | |
| C1AB0 | Short to +B in Outer Mirror Indicator(Master) | |
| C1AB1 | Short to +B in Outer Mirror Indicator(Slave) | |
| C1AB2 | Short to GND in Outer Mirror Indicator(Master) | |
| C1AB3 | Short to GND in Outer Mirror Indicator(Slave) | |
| C1AB4 | Open in Outer Mirror Indicator(Master) | |
| C1AB5 | Open in Outer Mirror Indicator(Slave) | |
| C1AB6 | Blind Spot Monitor Master Module | |
| C1AB7 | Blind Spot Monitor Slave Module | |
| C1AB8 | Destination Information Undefined | |
| C1AB8 | Destination Information Undefined | |
| C1ABB | Blind Spot Monitor Master Module Beam Axis Inspection Incomplete | |
| C1ABC | Blind Spot Monitor Slave Module Beam Axis Inspection Incomplete | |
| C1ABE | Short to GND or Open in Buzzer | |
| C1AC1 | Master Module Horizontal Axis Misalignment | |
| C1AC2 | Slave Module Horizontal Axis Misalignment | |
| U0100 | Lost Communication with ECM / PCM "A" | |
| U0100 | Lost Communication with ECM / PCM "A" | |
| U0125 | Lost Communication with Yaw Rate Sensor Module | |
| U0125 | Lost Communication with Yaw Rate Sensor Module | |
| U0126 | Lost Communication with Steering Angle Sensor Module | |
| U0126 | Lost Communication with Steering Angle Sensor Module | |
| U0129 | Lost Communication with Brake System Control Module | |
| U0129 | Lost Communication with Brake System Control Module | |
| U0142 | Lost Communication with Body Control Module "B" | |
| U0142 | Lost Communication with Body Control Module "B" | |
| U0232 | Lost Communication with Blind Spot Monitor Slave Module | |
| U0233 | Lost Communication with Blind Spot Monitor Master Module | |
| U0293 | Lost Communication With Hybrid Vehicle Control System | |
| U0293 | Lost Communication With Hybrid Vehicle Control System | |
| U1331 | Software Incompatibility with Body Control Module "B" | |
| U1331 | Software Incompatibility with Body Control Module "B" | |
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Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the blind spot monitor system on. (d) Turn the Techstream on. (e) Enter the following me
Freeze Frame Data
FREEZE FRAME DATA FREEZE FRAME DATA (a) Whenever DTCs are detected, the blind spot monitor sensor stores the current vehicle (sensor) state as freeze frame data. CHECK FREEZE FRAME DATA (a) Connect th
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the blind spot monitor system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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SEE MORE:
On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT BRAKE BOOSTER ASSEMBLY (a) Airtightness check (1) Start the engine and stop it after 1 or 2 minutes. Slowly depress the brake pedal several times. HINT: If the brake pedal can be depressed nearly to the floor the first time, but on the 2nd and 3rd time c
Components
COMPONENTS ILLUSTRATION *A for Type A *B for Type B *1 FRONT FENDER APRON SEAL LH *2 FRONT FENDER APRON SEAL RH *3 FRONT WHEEL OPENING EXTENSION PAD LH *4 FRONT WHEEL OPENING EXTENSION PAD RH *5 NO. 1 ENGINE UNDER COVER *6 NO. 2 ENGINE UNDER COVER *7 NO.
