LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Infiniti
>>
2020
>>
Q50 Pure, RWD
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Engine Control System (DTCS) (5 Of 19)
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Engine Control System (DTCS) (5 Of 19)
Expand All (for easy ctrl-f)
Collapse All
DTC Index
DTC Diagnosis
Engine (ECM)
DTC P0150: A/F Sensor 1
DTC Description - VR30DDTT Engine
DTC Detection Logic
Possible Cause
Fail-Safe
Confirmation Procedure
VR30DDTT engine
DTC Diagnosis Procedure
VR30DDTT engine
DTC P0151: A/F Sensor 1
DTC Description - VR30DDTT Engine
DTC Detection Logic
Possible Cause
Fail-Safe
Confirmation Procedure
VR30DDTT engine
DTC Diagnosis Procedure
VR30DDTT engine
DTC P0152: A/F Sensor 1
DTC Description - VR30DDTT Engine
DTC Detection Logic
Possible Cause
Fail-Safe
Confirmation Procedure
VR30DDTT engine
DTC Diagnosis Procedure
VR30DDTT engine
DTC P0156: Heated Oxygen Sensor 2
DTC Description - VR30DDTT Engine
DTC Detection Logic
Possible Cause
Fail-Safe
Confirmation Procedure
VR30DDTT engine
DTC Diagnosis Procedure
VR30DDTT engine
DTC P0157: Ho2S2
DTC Description - VR30DDTT Engine
DTC Detection Logic
Possible Cause
Fail-Safe
Confirmation Procedure
VR30DDTT engine
DTC Diagnosis Procedure
VR30DDTT engine
DTC P0158: Ho2S2
DTC Description - VR30DDTT Engine
DTC Detection Logic
Possible Cause
Fail-Safe
Confirmation Procedure
VR30DDTT engine
DTC Diagnosis Procedure
VR30DDTT engine
DTC P0159: Ho2S2
DTC Description - VR30DDTT Engine
DTC Detection Logic
Possible Cause
Fail-Safe
Confirmation Procedure
VR30DDTT engine
DTC Diagnosis Procedure
VR30DDTT engine
DTC P015A: A/F Sensor 1
DTC Description - VR30DDTT Engine
DTC Detection Logic
Possible Cause
Fail-Safe
Confirmation Procedure
VR30DDTT engine
DTC Diagnosis Procedure
VR30DDTT engine
DTC P015B: A/F Sensor 1
DTC Description - VR30DDTT Engine
DTC Detection Logic
Possible Cause
Fail-Safe
Confirmation Procedure
VR30DDTT engine
DTC Diagnosis Procedure
VR30DDTT engine
DTC P015C: A/F Sensor 1
DTC Description - VR30DDTT Engine
DTC Detection Logic
Possible Cause
Fail-Safe
Confirmation Procedure
VR30DDTT engine
DTC Diagnosis Procedure
VR30DDTT engine
DTC P015D: A/F Sensor 1
DTC Description - VR30DDTT Engine
DTC Detection Logic
Possible Cause
Fail-Safe
Confirmation Procedure
VR30DDTT engine
DTC Diagnosis Procedure
VR30DDTT engine