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Home >> Infiniti >> 2017 >> Q50 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 245 (Hybrid Motor System (Diagnostic Trouble Codes (DTCS) P2122-P31FF And Circuit Diagnosis) (Hybrid)) >> DTC / Circuit Diagnosis >> DTC P2857, P2859: Clutch 1 >> DTC Description >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.
DTC No. CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P2857 CLUTCH A
(Clutch "A" Pressure Engagement Performance/Too Low)
When HPCM detects the state of 500 RPM or more in difference between traction motor speed and the engine speed for 1.1 seconds when the clutch 1 is engaged.
P2859 CLUTCH A
(Clutch "A" Pressure Disengagement Performance/Too Low)
When HPCM detects the state of less than 500 RPM in difference between traction motor speed and the engine speed for 3 seconds when clutch 1 is disengaged.