LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Porsche
>>
2003
>>
Boxster Base, Automatic
>>
Repair and Diagnosis (Single Page)
>>
Brakes
>>
Traction Control
>>
Anti-Lock Brake System (Abs) - PSM 5.7
>>
Fault Code 4276
>>
Valve Relay
>>
Notes
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Valve Relay: Notes
Valve supply voltage is evaluated and displays implausible values for a number of valves