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Home >> Infiniti >> 2021 >> QX50 Essential, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> ADAS Control Unit (DTC/Circuit Diagnosis) (1 Of 2) >> DTC C1A01: Power Supply Circuit 1, C1A02 Power Supply Circuit 2 >> ADAS Control Unit >> With Direct Adaptive Steering System >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC

CONSULT screen terms

DTC detection condition

(Trouble diagnosis content)

[Malfunction type]

C1A01

00

POWER SUPPLY CIR

(Power supply circuit)

--

1

Diagnosis condition

  • When engine is running
  • When MAIN switch of ICC system is ON

Signal (terminal)

Battery power supply

Threshold

The battery voltage sent to ADAS control unit remains less than 7.9 V

Diagnosis delay time

5 seconds or more

C1A02

00

POWER SUPPLY CIR 2

(Power supply circuit 2)

--

2

Diagnosis condition

  • When engine is running
  • When MAIN switch of ICC system is ON

Signal (terminal)

Battery power supply

Threshold

The battery voltage sent to ADAS control unit remains more than 19.3 V

Diagnosis delay time

5 seconds or more