HV ELECTRICAL SYSTEM 38 7. ON VEHICLE REMOVAL A. 3 IN 1 UNIT REMOVAL 1. Refer Instructions for working on HV Components mention before starting work. 2. Refer Instructions of HV connector Lock removal process before starting work 3. Disconnect the negative terminal of LV battery. 4. Disconnect the service disconnect switch. 5. Remove the LV wiring harness cable and connector connected to 3 in 1 Unit. 6. Remove the connector and cable of AC input to 3 in 1 Unit. 7. Remove the connector and cable of PTC to 3 in 1 Unit. 8. Remove the connector and cable of ECompressor to3 in 1 Unit. 9. Loosen the fastener and Remove the ground terminal cable from 3 in 1 Unit.
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