ABS 24 ANTI-LOCK BRAKES Removal of Electronic Control Unit (ECU) 1. Turn OFF the ignition switch. 2. Disconnect ECU wiring harness connector (Pull the locking tab 1 & lift the connector) from Electronic Control Unit (ECU) assembly. 3. Never apply a 12V-power source to any terminal of the ECU connector when it’s disconnected. 4. Identify the brake pipes going into and out of the Hydraulic Unit (HU) with tags so that reinstallation of the brake lines will be easy. 5. Clean the top of the HU with a clean, dry cloth. 6. Proper care should be taken before removing the brake pipes from HU; the HU must be thoroughly cleaned to prevent dirt particles from falling into the ports of HU or entering the brake pipes. 7. Remove the brake pipes from the HU and plug the ports with suitable grommet. Fig. 17 Fig. 16 ABS ECU & Bracket 8. Remove the Nuts attaching ECU / HU to the mounting bracket and then take out the ECU/ HU from ECU / HU mounting bracket. 9. Visually inspect the ECU ports, grommets etc. If grommet is found damaged replace it with new one. 8. REMOVAL / INSTALLATION OF ABS COMPONENTS 1 HEX FL. SCREW M6 X 16 TS : 17130 2 ASSY. BRACKET (FOR BOSH ABS MTG.) 3 ASSY. HYDRAULIC MODULATORWITH OIL - (ABS) 4 HEX NUT M8 IS : 1364 P3 5 SPRING WASHER B8 IS : 3063 6 GROMMET FOR ABS ECU / HU MOUNTING 7 STUD FOR ABS ECU / HU MOUNTING. ABS Hydraulic Unit ECU Connector 1 2 2
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