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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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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Parts Location
PARTS LOCATION ILLUSTRATION *1 OUTER REAR VIEW MIRROR ASSEMBLY RH *2 OUTER REAR VIEW MIRROR ASSEMBLY LH *3 BRAKE ACTUATOR ASSEMBLY - SKID CONTROL ECU *4 ECM *5 OUTER MIRROR C
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Lost Communication With ECM/PCM "A" (U0100,...,U1117)
DESCRIPTION These DTCs are stored if a CAN communication malfunction occurs between the main body ECU (multiplex network body ECU) and other ECUs. DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from U0100 Lost Communication With ECM/PCM "A" The main body EC
Steering Angle Sensor (C1A47)
DESCRIPTION The blind spot monitor sensor receives steering angle signals from the steering sensor via CAN communication. Blind Spot Monitor Master DTC No. Detection Item DTC Detection Condition Trouble Area C1A47 Steering Angle Sensor A fail flag is transmitted from the steering an
