DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P21F4

00

Fuel control system B bank 1

(Fuel Control System B Too Lean Off Idle Bank 1)

Diagnosis condition

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Signal (terminal)

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Threshold

• Direct and port fuel injection system does not operate properly
• The amount of mixture ratio compensation is too large. (The mixture ratio is too lean.)

Diagnosis delay time

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