LEMON Manuals: Even more car manuals for everyone
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 [10/2023 - ] >> Monitor Strategy

Monitor Strategy

Related DTCs C1256: Brake booster motor pressure too low
Required Sensors/Components(Main) Brake booster with accumulator pump assembly
Brake actuator (brake booster with master cylinder assembly)
Required Sensors/Components(Related) No. 2 skid control ECU (brake actuator assembly)
Brake actuator (brake booster with master cylinder assembly)
Stop light switch assembly
Frequency of Operation Continuous
Duration 1.698 to 9 seconds (Time depends on auxiliary battery voltage): C1256 (Case 1-1)
3 seconds: C1256 (Case 1-2)
33 to 99 seconds (Time depends on auxiliary battery voltage): C1256 (Case 1-3)
MIL Operation Immediately
Sequence of Operation None