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Home >> Toyota >> 2021 >> RAV4 LE, FWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (W/O Vacuum Brake Booster) - Diagnostic Codes (4 Of 8) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster) >> DTC C1256-09: Accumulator Low Pressure Abnormality Component Failure [12/2021 - 10/2023] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

CASE 1-1

Brake booster pressure increase when brake booster motor is operating Less than 0.25 MPa (2.5 kgf/cm2 , 36 psi)
CASE 1-2

Brake booster pressure after ECU power on Less than 6 MPa (61.2 kgf/cm2 , 870 psi)
CASE 1-3

Brake booster pressure Less than 14 MPa (142.8 kgf/cm2 , 2031 psi)
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