LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Infiniti
>>
2004
>>
M45
>>
Repair and Diagnosis
>>
Engine Performance
>>
Engine Control System
>>
DTC P0550: PSP Sensor
>>
Diagnostic Procedure
>>
5. Detect Malfunctioning Part
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
5. Detect Malfunctioning Part
Check the following.
Harness connectors F6, E316
Joint connector-30
Hamess for open or short between PSP sensor and ECM
: Repair open circuit or short to power in harness or connectors.