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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Steering Angle Sensor Supply Voltage Circuit Circuit Short to Ground or Open (C14FE14)
DESCRIPTION This DTC is stored when the skid control ECU (brake actuator assembly) receives a +B line open signal from the steering angle sensor. DTC No. Detection Item DTC Detection Condition Trouble Area C14FE14 Steering Angle Sensor Supply Voltage Circuit Circuit Short to Ground or
RL Speed Sensor Wrong Installation (X0453)
DESCRIPTION Code Tester Display Measurement Item Trouble Area X0453 RL Speed Sensor Wrong Installation History of rear speed sensor LH being installed incorrectly Rear Speed Sensor LH PROCEDURE 1. CHECK FOR DTCs (HEALTH CHECK) (a) Perform the Health Check using the Tec
