Lexus ES: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Parking Support Alert System| DTC No. | Detection Item | Link |
|---|---|---|
| C1611 | ECU Malfunction | |
| C168D | Vehicle Information Unmatched | |
| C1AE1 | Front Left Sensor Malfunction | |
| C1AE2 | Front Left Center Sensor | |
| C1AE3 | Front Right Center Sensor | |
| C1AE4 | Front Right Sensor Malfunction | |
| C1AE6 | Rear Left Sensor Malfunction | |
| C1AE7 | Rear Left Center Sensor Malfunction | |
| C1AE8 | Rear Right Center Sensor Malfunction | |
| C1AE9 | Rear Right Sensor Malfunction | |
| C1AEC | Front Sensor Communication Malfunction | |
| C1AED | Rear Sensor Communication Malfunction | |
| C1AF3 | Fr Sensor Initialization Incomplete | |
| C1AF4 | Rr Sensor Initialization Incomplete | |
| U0073 | Control Module Communication Bus "A" Off | |
| U0126 | Lost Communication With Steering Angle Sensor Module | |
| U0129 | Lost Communication with Brake System Control Module | |
| U0140 | Lost Communication with Body Control Module | |
| U0155 | Lost Communication with Instrument Panel Cluster (IPC) Control Module | |
| U1000 | CAN Communication Failure (Message Registry) | |
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Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the parking support alert system on. (d) Turn the Techstream on. (e) Enter the followin
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the parking support alert system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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No. 1 Clearance Warning Buzzer Circuit
DESCRIPTION This circuit consists of the No. 1 clearance warning buzzer and clearance warning ECU assembly. An ECU-excited type buzzer is used. The ECU operates the buzzers using a sound pattern that
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RCTB Sensor (C1AF7)
DESCRIPTION This DTC is stored when the clearance warning ECU assembly receives a signal from the blind spot monitor system via CAN communication indicating a malfunction in the blind spot monitor sensor. DTC No. Detection Item DTC Detection Condition Trouble Area C1AF7 RCTB Sensor
Diagnosis System
DIAGNOSIS SYSTEM DESCRIPTION (a) Power window control system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs. CHECK DLC3 (a) Check the D
