Lexus ES: Master Cylinder Pressure Circuit (C1786)
Lexus ES (XZ10) Service Manual / Suspension / Suspension Control / Adaptive Variable Suspension System / Master Cylinder Pressure Circuit (C1786)
DESCRIPTION
The absorber control ECU stores this DTC when a malfunction signal from the master cylinder pressure sensor built into the brake actuator assembly is received via CAN communication.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Warning Indicate | Memory |
|---|---|---|---|---|---|
| C1786 | Master Cylinder Pressure Circuit | A master cylinder pressure sensor malfunction signal is continuously received from the skid control ECU (brake actuator assembly) for 3 seconds or more. | Electronically controlled brake system | Does not come on | Yes |
PROCEDURE
| 1. | GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM |
(a) Go to electronically controlled brake system.
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Inspection
INSPECTION PROCEDURE 1. INSPECT LEVEL WARNING SWITCH ASSEMBLY HINT: This check should be performed with the level warning switch assembly installed to the washer jar. (a) Fill the washer jar with washer fluid. *a Component without harness connected (Level Warning Switch Assembly)
Operation Check
OPERATION CHECK CHECK AUTO OPERATION FUNCTION NOTICE:
Make sure that initialization has been completed before performing this inspection.
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The sliding roof auto operation can be customized. Make sure that the auto operation customize setting is set to ON.
Click here HINT: When
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