DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P0103

00

MAF SEN/CIRCUIT-B1

(Mass or volume air flow sensor "A" circuit high)

Diagnosis condition

• Turn ignition switch ON
• Engine running at idle

Signal (terminal)

Mass air flow sensor signal

Threshold

An excessively high voltage from the sensor is sent to ECM

Diagnosis delay time

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