Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la or
lemon-manuals.org.ua
(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)
Or, hide this message:
temporarily or
permanently
Fuel Pump (FP) Control Module (J538), Checking
Fuel Pump (FP) Control Module (J538), Checking •
The voltage for the
fuel pump is supplied via the FP control module.
•
FP control module testing occurs in "Guided Fault Finding" using the vehicle diagnostic tester.