DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 34 (Electronically Controlled Brake System (HV) - Diagnostic Codes (05 Of 11)) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC C0540-16: Brake Pressure Sensor "A" Circuit Voltage Below Threshold; DTC C0540-1F: Brake Pressure Sensor "A" Circuit Intermittent; DTC C0540-29: Brake Pressure Sensor "A" Signal Invalid; DTC C0540-31: Brake Pressure Sensor "A" No Signal; DTC C0540-96: Brake Pressure Sensor "A" Component Internal Failure; DTC C122D-16: Brake Pressure Sensor "A" Supply Voltage Circuit Voltage Below Threshold; DTC C122D-17: Brake Pressure Sensor "A" Supply Voltage Circuit Voltage Above Threshold [12/2019 - ] >> Component Operating Range

Component Operating Range

WARNING: This page is about a different variant/trim than selected.
C053D (CASE 2)

Both of the following conditions are met -
Pressure sensor fail (C0540, C122F, C056B) Not detected
Master cylinder pressure sensor -0.744 MPa (-7.6 kgf/cm2 , -107 psi) or more
C0540 (CASE 1)

Master cylinder pressure sensor communication Valid
C0540 (CASE 2 AND 3)

All of the following conditions are met -
Master cylinder pressure sensor communication Valid
Master cylinder pressure sensor level 23.328 MPa (237.9 kgf/cm2 , 3383 psi) or less
Master cylinder pressure sensor temperature level 150°C (302°F) or less
C0540 (CASE 4)

All of the following conditions are met -
+BS voltage Less than 8.5 V
Master cylinder pressure sensor temperature Less than 175°C (347°F)
Master cylinder pressure sensor current Less than 0.05 A
Master cylinder pressure sensor power supply voltage Higher than 6.5 V, and less than 7.5 V
Brake booster pressure sensor data Valid
C056B

All of the following conditions are met -
Master cylinder pressure sensor power supply effective invalidity Valid
Master cylinder pressure sensor power supply voltage Higher than 6.5 V, and less than 7.5 V
Master cylinder pressure sensor communication Valid
Difference current master cylinder pressure and last master cylinder pressure 15 MPa (153.0 kgf/cm2 , 2175 psi) or less
C122E AND C122F

Both of the following conditions are met -
Master cylinder pressure sensor power supply effective invalidity Valid
Master cylinder pressure sensor power supply voltage Higher than 6.5 V, and less than 7.5 V