B. 3 IN 1 SERVICEABILITY 1.Refer Instructions for working on HV Components mention before starting work. 2. Open the bonnet. 3. Remove Aux Battery negative terminal and Put masking tape on Aux Battery negative terminal & cable. 4. Loosen and remove the 3 IN 1 unit service cover screws (11 Nos). 5. Remove the 3 IN 1 service cover. 6. Loosen the screws (M4x8, Qty 2) and remove the PTC fuse. 7. Loosen the screws (M4x8, Qty 2) and remove the AC Compressor fuse. 8. Loosen the screws (M4x8, Qty 2) and remove the OBC fuse. 9. Loosen the screws (M8x14, Qty 2) and remove the MCU fuse. Loosen the screws (Qty 2) and remove the 10. PTC Relay. CAUTION Be careful while loosening screws, Don’t scratch the Service cover, especially the sealing area. HIGH VOLTAGE ELECTRICAL SYSTEM (HV) 61
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