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

PC5



- Install breakout box. Make sure that the 1994 Econoline 4WABS overlay is installed. Using the Breakout Box For Circuit Checks

- Jumper pin 23 and pin 20.

- Key ON, observe yellow ABS warning lamp and key OFF.

- Jumper pin 21 to pin 1.

- Key ON, observe red warning brake lamp, key OFF.

- Do both lamps illuminate?

YES -- Replace ECU. Repeat PC2. PC2

NO -- Go to PC6. PC6