Operation CHARM: Car repair manuals for everyone.
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

Test Step 1









Subject of test:

Voltage supply to ABS Control Module J104

Subject of test:

^ Ground connection to ABS Control Module J104

^ ABS Warning Light K47

^ Inlet/outlet valves in ABS
Hydraulic Unit N55 (resistance)









Note:

If one of the LEDs lights up weaker (from -1, -3 and 4.1 and 4.1 to 4.4), it indicates contact resistance.
Check related connectors and wiring according to wiring diagram.