DTC Detection Logic
WARNING: This page is about a different car, the 2019 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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P0078 |
EX V/T ACT/CIRC-B1 (Exhaust valve control solenoid circuit bank 1) |
Diagnosis condition |
Engine running at idle |
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Signal (terminal) |
Exhaust valve timing control solenoid valve (bank 1) signal |
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Threshold |
An improper voltage is sent to the ECM through exhaust valve timing control solenoid valve |
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Diagnosis delay time |
-- |
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P0084 |
EX V/T ACT/CIRC-B2 (Exhaust valve control solenoid circuit bank 2) |
Diagnosis condition |
Engine running at idle |
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Signal (terminal) |
Exhaust valve timing control solenoid valve (bank 2) signal |
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Threshold |
An improper voltage is sent to the ECM through exhaust valve timing control solenoid valve |
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Diagnosis delay time |
-- |
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