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Home >> Lexus >> 2023 >> NX 250 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (Electronically Controlled Brake System - Diagnostic Codes (5 Of 6)) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HEV Model) >> DTC C141C-49: Brake Booster Motor "A" Control Internal Electronic Failure [11/2021 - ] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

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C141C (CASE 1)

Motor circuit current 264.00 A or more
C141C (CASE 2)

Freewheeling MOS over current signal On
C141C (CASE 3)

Reverse battery protection MOS gate voltage monitor On
C141C (CASE 4)

Motor relay gate voltage monitor On
C141C (CASE 5 AND 9)

One of the following conditions is met -
Motor relay gate voltage monitor On
Freewheeling MOS gate voltage monitor On
Reverse battery protection MOS gate voltage monitor On
C141C (CASE 6)

Freewheeling MOS gate voltage monitor Off
C141C (CASE 7)

Motor relay gate voltage monitor Off
C141C (CASE 8)

Reverse battery protection MOS gate voltage monitor Off
C141C (CASE 10)

High side voltage of motor 3.0 V or less or 6.1 V or more