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)

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Electronic Brake Control Module: Testing and Inspection

Fig. 33 ABS Diode Test:

1. Check meter fuse and bulb, then the wiring harness to control unit or hydraulic unit.
2. Disconnect hydraulic unit 12 pin connector.
3. Using ohmmeter, check for continuity of terminals shown in Fig. 33.
4. Continuity should exist with positive lead attached to G terminal. Continuity should not exist with positive lead attached to D terminal.
5. If continuity is not as specified, replace hydraulic unit.