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

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Electronic Brake Control Module: Testing and Inspection

ABS HU/CM INSPECTION

1. Remove the battery and battery tray.
2. Disconnect the ABS/TCS HU/CM (with TCS) or ABS HU/CM (without TCS) connector.
3. Install the battery and battery tray.
4. Attach the tester leads to the ABS/TCS HU/CM (with TCS) or ABS HU/CM (without TCS) harness side connector, then inspect voltage, continuity or resistance according to the standard (reference value) on the table.

Standard Table (reference value) (part 1):




Standard Table (reference value) (part 2):