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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 65 (Electronically Controlled Brake System (HV) - Diagnostic Codes (10 Of 11)) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC C14C6-16: Electronic Brake Booster Control Module "A" Supply Voltage Circuit Voltage Below Threshold [12/2019 - 10/2021] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

WARNING: This page is about a different variant/trim than selected.
C14C7 (CASE 1)

IG1 voltage 9.5 V or less
C14C7 (CASE 2)

IG2 voltage 9.5 V or less
C14C7 (CASE 3)

All of the following conditions are met -
Brake system voltage 1 7.3 V or less
Stroke sensor 1 data validity Invalid
Stroke sensor output compare validity Invalid
C14C7 (CASE 4)

Both of the following conditions are met -
Brake system voltage 1 8.5 V or less
Reaction force pressure sensor data valid Invalid
C14C7 (CASE 5 AND 7)

Both of the following conditions are met -
Brake system voltage 1 8.5 V or less
Pressure sensor power supply voltage 6.5 V or less
C14C7 (CASE 6)

Both of the following conditions are met -
Brake system voltage 1 8.5 V or less
Servo pressure sensor data valid Invalid
C14C7 (CASE 8)

Either of the following conditions is met A or B
A. All of the following conditions are met -
Ready state Off
BS monitor voltage Less than 3.3 V
Brake system voltage 1 7.3 V or less
Main relay on experience On
B. All of the following conditions are met -
Ready state On
BS monitor voltage Less than 3.3 V
Brake system voltage 1 7.3 V or less
IG1 voltage 9.5 V or less
Main relay on experience On
C14C7 (CASE 9)

Both of the following conditions are met -
Brake system voltage 1 8.5 V or less
Accumulator pressure sensor data valid Invalid