Lexus ES: Parking Support Brake System (for Gasoline Model)
Lexus ES (XZ10) Service Manual / Audio & Visual & Telematics / Park Assist / Monitoring / Parking Support Brake System (for Gasoline Model)
- Stop Light Relay Circuit (C1A4B)
- ENG / EHV Device (C1A40)
- Brake System (C1A50)
- Steering Angle Midpoint Initial Setting Incomplete (C1AEA)
- ICS Detection Area Adjustment Incomplete (C1AF0)
- RCTB Sensor (C1AF7)
- Blind Spot Monitor Beam Axis Inspection Incomplete (C1AF9)
- Blind Spot Monitor Beam Axis Misalignment (C1AFA)
- Back Camera Internal Circuit (C2A63)
- Communication Error From Clearance Sonar ECU to VSC (C164B)
- Wheel Speed Sensor Malfunction (C164D)
- Stop Switch Circuit Malfunction (C164E)
- Brake Hydraulic Pressure Malfunction (C164F)
- Open or Short in Steering Angle Sensor +B (C1625)
- Steering Angle Sensor Failure (C1626)
- G Sensor Failure (C1647)
- Outside Air Temperature Sensor (C1652)
- Calibration
- Customize Parameters
- Data List / Active Test
- Diagnosis System
- Diagnostic Trouble Code Chart
- Dtc Check / Clear
- Fail-safe Chart
- How To Proceed With Troubleshooting
- Operation Check
- Parts Location
- Precaution
- Problem Symptoms Table
- System Description
- System Diagram
- Terminals Of Ecu
- Control Module Communication Bus "A" Off (U0073,U0100,U0124,U0126,U0129,U0140,U0155,U0164,U0265)
- Lost Communication with Blind Spot Monitor Slave Module (U0232,U0233)
- CAN Communication Failure (Message Registry) (U1000)
- Utility
- Vehicle Control History
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Stop Light Relay Circuit (C1A4B)
DESCRIPTION When a stop light relay circuit malfunction signal sent from the electronically controlled brake system is detected by the clearance warning ECU assembly, DTC C1A4B is stored. DTC No.
ENG / EHV Device (C1A40)
DESCRIPTION When a SFI system malfunction signal sent by the ECM is detected by the clearance warning ECU assembly, DTC C1A40 is stored. DTC No. Detection Item DTC Detection Condition Trouble
Brake System (C1A50)
DESCRIPTION When an electronically controlled brake system malfunction signal sent from the skid control ECU is detected by the clearance warning ECU assembly, DTC C1A50 is stored. DTC No. Detect
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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Before performing troubleshooting for the front camera system, perform troubleshooting for the pre-collision system.
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If a pre-collision system related warning message is displayed on the multi-information display, refer to How to Proceed with Troublesh
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE:
Before performing troubleshooting, change the grille shutter control mode to maintenance mode.
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If the swing grille actuator assembly has been replaced with a new one, perform initialization and change the grille shutter control mode.
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