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
SEE MORE:
Buzzer does not Sound
WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
When checking for DTCs, make sure that the blind spot monitor system is turned on.
Inspect the fuses for circuits related to this system before performing the following procedure.
PROCEDURE 1. CHECK DTC (a) Turn the engine switch off.
Terminals Of Ecu
TERMINALS OF ECU CLEARANCE WARNING ECU ASSEMBLY (a) Disconnect the N41 clearance warning ECU assembly connector. (b) Measure the voltage and resistance on the wire harness side connector according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description C
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