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Home >> Lexus >> 2019 >> ES 350 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 108 (Electronically Controlled Brake System (Hybrid) - Diagnostic Codes (2 Of 5)) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC C1242: Open Circuit in IG1/IG2 Power Source Circuit [06/2018 - ] >> Typical Enabling Conditions

Typical Enabling Conditions

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C123B

Monitor runs whenever the following DTCs are not stored None
IG2 voltage Higher than 9.5 V
C123E

Monitor runs whenever the following DTCs are not stored None
Both of the following conditions are met A and B
A. IG1 voltage Higher than 9.5 V
B. Either of the following condition is met -
Vehicle speed Higher than 10 km/h (6 mph)
Communication status with hybrid control system Valid
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