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Home >> Toyota >> 2022 >> Avalon XLE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 103 (Electronically Controlled Brake System - Diagnostic Codes (C1202-C1300) (Hybrid)) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC C1252: Brake Booster Pump Motor on Time Abnormally Long; DTC C1253: Pump Motor Relay [04/2018 -] >> Component Operating Range

Component Operating Range

WARNING: This page is about a different variant/trim than selected.
C0594

Both of the following conditions are met -
Prohibit pump motor operating from microcomputer Off
Pump motor voltage Less than 6 V
C121D

All of the following conditions are met A, B and C
A. Serial communication with high side IC Valid
B. Either of the following conditions is met a or b
a. Command to pump motor relay On
b. Both of the following conditions are met -
Command to pump motor relay from hardware On
Serial communication with low side IC Valid
C. Pump motor voltage Higher than 6 V
C121E

Both of the following conditions are met -
Serial communication with high side IC Valid
Pump motor voltage Less than 6 V
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