Mike's Workshop Manuals
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Infiniti
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2012
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M37 Base
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Repair and Diagnosis
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Brakes
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Traction Control
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Brake Control System (With VDC)
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DTC/Circuit Diagnosis
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DTC C1198: Vacuum Sensor
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DTC Logic
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DTC Detection Logic
DTC Detection Logic
DTC
Display Item
Malfunction detected condition
Possible causes
C1198
VACUUM SEN CIR
When an open circuit is detected in vacuum sensor circuit.
When a short circuit is detected in vacuum sensor circuit.
When a malfunction is detected in vacuum sensor noise.
Harness or connector
Vacuum sensor (brake booster)
ABS actuator and electric unit (control unit)