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 Consumption Signal, Checking

^ connect adaptor harness VAG 1598/13 to ten-point instrument cluster connector (black)
^ connect adaptor harness to Test box VAG 1598
^ set digital multimeter Fluke 83 (US 1119) to 2 Volt range
^ connect multimeter between sockets 5 and 1 of Test box VAG 1598

^ start engine
^ raise and lower engine speed between 1000 and 4000 RPM
^ must be approximately 0.3-1.0 V depending on engine RPM