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Home >> Toyota >> 2015 >> Avalon Hybrid Limited >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> Electronically Controlled Brake System - Diagnostic Codes (1 Of 2) - (Hybrid) >> Electronically Controlled Brake System >> DTC C1257/57: Power Supply Drive Circuit [10/2014 - ] >> Caution / Notice / Hint

Caution / Notice / Hint

NOTE:

When replacing the skid control ECU (brake booster with master cylinder assembly), perform initialization and calibration of the linear solenoid valve (Refer to INITIALIZATION [10/2014 - ] ).

HINT: 

When C1241/41, C1242/42 and/or C1253/53 are output together with C1257/57, inspect and repair the trouble areas indicated by C1241/41, C1242/42 and/or C1253/53 first (Refer to DTC C1241/41: Low Battery Positive Voltage; DTC C1242/42: Open in IG1 / IG2 Power Source Circuit [10/2014 - ]  or DTC C1252/52: Brake Booster Pump Motor on Time Abnormally Long; DTC C1253/53: Pump Motor Relay Malfunction [10/2014 - ] ).

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