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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With Mark IV ABS System







Removal
1. Disconnect the battery leads and the clip of the Antilock Brake System (ABS) wiring loom on the battery tray.
2. Unplug the connector (1) from the Electronic Control Unit (ECU).
3. Undo the two securing bolts (2).
- Remove the ECU.

Installation
1. Install the new ECU by tightening the two screws (2).
2. Plug the connector (1) into the ECU.
3. Attach the ABS wiring loom to the battery tray.
- Reconnect the battery leads.