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 power switch on (IG). (c) Turn the parking support alert system on. (d) Turn the Techstream on. (e) Enter the following
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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Inspection
INSPECTION CAUTION / NOTICE / HINT CAUTION: Be careful so that fingers and clothing do not get caught in the moving parts when performing this test. PROCEDURE 1. INSPECT WINDSHIELD WIPER MOTOR ASSEMBLY (a) Check the HI operation. (1) Connect a positive (+) lead from the auxiliary battery to termi
Parts Location
PARTS LOCATION ILLUSTRATION *1 ECM *2 INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - ECU-B NO. 2 FUSE - ECU-IG1 NO. 4 FUSE - ECU-ACC FUSE *3 DLC3 *4 STEREO COMPONENT EQUALIZER ASSEMBLY ILLUSTRATION *1 FRONT NO. 1 SPEAKER ASSEMBLY LH *2 FRONT NO. 1 SPEAKER ASSEMBLY RH
