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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 36 (Electronically Controlled Brake System (HV) - Diagnostic Codes (06 Of 11)) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC C121F-49: Lost Communication with Electronic Brake Booster Control Module "A" Internal Electronic Failure; DTC C14F1-12: Brake Pressure Control Solenoid "C" Control Circuit Short to Battery; DTC C14F1-14: Brake Pressure Control Solenoid "C" Control Circuit Short to Ground or Open; DTC C14F1-18: Brake Pressure Control Solenoid "C" Control Circuit Current Below Threshold; DTC C14F1-19: Brake Pressure Control Solenoid "C" Control Circuit Current Above Threshold; DTC C14F1-1D: Brake Pressure Control Solenoid "C" Control Circuit Current Out of Range; DTC C14FA-12: Brake Pressure Control Solenoid "D" Control Circuit Short to Battery; DTC C14FA-14: Brake Pressure Control Solenoid "D" Control Circuit Short to Ground or Open; DTC C14FA-18: Brake Pressure Control Solenoid "D" Control Circuit Current Below Threshold; DTC C14FA-19: Brake Pressure Control Solenoid "D" Control Circuit Current Above Threshold; DTC C14FA-1D: Brake Pressure Control Solenoid "D" Control Circuit Current Out of Range; DTC C1507-12: Brake Pressure Control solenoid "E" Control Circuit Short to Battery; DTC C1507-14: Brake Pressure Control solenoid "E" Control Circuit Short to Ground or Open; DTC C1507-18: Brake Pressure Control solenoid "E" Control Circuit Current Below Threshold; DTC C1507-19: Brake Pressure Control solenoid "E" Control Circuit Current Above Threshold; DTC C1507-1D: Brake Pressure Control solenoid "E" Control Circuit Current Out of Range; DTC C150D-12: Brake Pressure Control solenoid "F" Control Circuit Short to Battery; DTC C150D-14: Brake Pressure Control solenoid "F" Control Circuit Short to Ground or Open; DTC C150D-18: Brake Pressure Control solenoid "F" Control Circuit Current Below Threshold; DTC C150D-19: Brake Pressure Control solenoid "F" Control Circuit Current Above Threshold; DTC C150D-1D: Brake Pressure Control solenoid "F" Control Circuit Current Out of Range [12/2019 - 10/2021] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

WARNING: This page is about a different variant/trim than selected.
C121F (CASE 1)

Booster circuit low voltage detection signal On
C121F (CASE 2)

ASIC malfunction Not detected
C14F3 (CASE 1 AND 2), C14FC (CASE 1 AND 2), C1509 (CASE 1 AND 2) AND C150F (CASE 1 AND 2)

Solenoid load open/short to ground signal On
C14F3 (CASE 3), C14FC (CASE 3), C1509 (CASE 3) AND C150F (CASE 3)

Either of the following conditions is met -
Solenoid return current terminal disconnection signal On
Solenoid GND terminal disconnection signal On
C14F3 (CASE 4), C14FC (CASE 4), C1509 (CASE 4) AND C150F (CASE 4)

Either of the following conditions is met -
Solenoid freewheeling terminal disconnection signal On
Solenoid GND terminal disconnection signal On
C14F3 (CASE 5), C14FC (CASE 5), C1509 (CASE 5) AND C150F (CASE 5)

Divide brake pressure control solenoid current monitor value by brake pressure control solenoid target current value Less than 0.25
C14F3 (CASE 6), C14FC (CASE 6), C1509 (CASE 6) AND C150F (CASE 6)

Solenoid current Less than 38.00 mA
C14F4 (CASE 1), C14FD (CASE 1), C150A (CASE 1) AND C1510 (CASE 1)

Brake pressure control solenoid current monitor value Higher than 0.10 A
C14F4 (CASE 2), C14FD (CASE 2), C150A (CASE 2) AND C1510 (CASE 2)

Solenoid current 100.00 mA or more
C14F4 (CASE 3 AND 4), C14FD (CASE 3 AND 4), C150A (CASE 3 AND 4) AND C1510 (CASE 3 AND 4)

Either of the following conditions is met -
Solenoid over current signal On
Solenoid driver overtemperature signal On
C14F4 (CASE 5), C14FD (CASE 5), C150A (CASE 5) AND C1510 (CASE 5)

Solenoid load open/short to ground signal On
C14F4 (CASE 6), C14FD (CASE 6), C150A (CASE 6) AND C1510 (CASE 6)

Either of the following conditions is met -
Solenoid load open/short to ground signal Off
Solenoid load leakage signal On
C14F4 (CASE 7), C14FD (CASE 7), C150A (CASE 7) AND C1510 (CASE 7)

Either of the following conditions is met A or B
A. Both of the following conditions are met -
Divide brake pressure control solenoid current monitor value by brake pressure control solenoid target current value Higher than 2
Brake pressure control solenoid target current value 0.348 A or more
B. Both of the following conditions are met -
Brake pressure control solenoid current monitor value Higher than 0.696 A
Brake pressure control solenoid target current value Less than 0.348 A
C14F4 (CASE 8), C14FD (CASE 8), C150A (CASE 8) AND C1510 (CASE 8)

Solenoid current Higher than 300.00 mA