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Home >> Toyota >> 2024 >> Corolla LE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 71 (Electronically Controlled Brake System (HEV) - Diagnostic Codes (3 Of 6)) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC C1211: SLA Linear Solenoid; DTC C1212: SLR Linear Solenoid; DTC C1225: SA1 Solenoid Circuit; DTC C1226: SA2 Solenoid Circuit [01/2019 - 09/2022] >> Component Operating Range

Component Operating Range

WARNING: This page is about a different variant/trim than selected.
C13C1 AND C13CA

All of the following conditions are met -
Output duty cycle Higher than 0%
Difference in monitor current (for solenoid control) and monitor current (for monitoring) Less than 0.281 A
Current monitor value (for solenoid control) More than 33
Current monitor value (for monitoring) More than 33
Current Less than 2.3 A
Reference voltage for current monitor circuit Less than 1.24 V, and higher than 1.09 V
AC/DC converter built into CPU standard voltage Higher than 4.4 V
C14F2 AND C14FB

All of the following conditions are met -
Serial communication with high side IC Valid
Solenoid low side operating On
Difference in monitor current (for solenoid control) and monitor current (for monitoring) 0.294 A or less
Current monitor value (for solenoid control) More than 33
Current monitor value (for monitoring) More than 33
Current Less than 2.3 A
Reference voltage for current monitor circuit Less than 1.24 V, and higher than 1.09 V
AC/DC converter built into CPU standard voltage Higher than 4.4 V
C13C2, C13CB, C14F3 AND C14FC (CASE 1 AND 2)

All of the following conditions are met -
Power supply for linear solenoid Higher than 9.13 V
Command to main relay On
Main relay On
Serial communication with high side IC Valid
Solenoid low side operating On
Current Less than 2.3 A
Difference in present target current and previous target current 0.2 A or less
Output duty cycle Higher than 0%
Current monitor Normal
Solenoid current to output duty cycle relationship Current is not below lower limit (Outside of the insufficient value judgment area in the following Map A)
GTY718471Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
C13C2, C13CB, C14F3 AND C14FC (CASE 3)

All of the following conditions are met -
Main relay On
Solenoid low side operating On
Serial communication with high side IC Valid
Output duty cycle 0%
High side IC malfunction Not detected
Solenoid high side voltage 5.46 V or less
C13C3, C13CC, C14F4 AND C14FD (CASE 1 AND 2)

All of the following conditions are met -
Power supply for linear solenoid Less than 16 V
Serial communication with high side IC Valid
Solenoid low side operating On
Difference in present target current and previous target current 0.2 A or less
Current monitor Normal
Output duty cycle Higher than 0%
Solenoid current to output duty cycle relationship Current is not above upper limit (Outside of the excessive value judgment area in the following Map C)
GTY707051Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
C13C3, C13CC, C14F4 AND C14FD (CASE 3)

All of the following conditions are met -
Main relay On
Solenoid low side operating On
Output duty cycle 0%
Current monitor Normal
Current Less than 0.15 A
C13C3, C13CC, C14F4 AND C14FD (CASE 4)

All of the following conditions are met -
Main relay On
Solenoid low side operating On
Serial communication with high side IC Valid
Output duty cycle Higher than 0%
Current Less than 2.3 A
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