NEXON 2.0 EV DTC Troubleshooting Document for VCU Version: 1.0 draft Date: 31-Jan-2022 Copyright © TATA MOTORS Ltd. This document must not be used in anyway, such as copying and redistributing to third parties, without the consent of author. 3. Remove LV battery. Remove the LV connector of PDU On PDU connector Check continuity between C443-4 and C443-7 pins No problem in PDU Go to step 4 Check if PDU cover is fitted properly, Problem is with PDU Action: Change PDU 4. Remove the LV connector of PDU On PDU connector Check continuity of pin C443-4 to chassis ground if the VECU parameter Vehicle HVIL Sense PWM dutycycle value is 0 or Check continuity of pin C443-4 to battery supply if VECU parameter Vehicle HVIL Sense PWM dutycycle value is 100 Replace the PDU connector Go to step 5 5. Remove the PDU side LV connector On PDU connector Check continuity between C443-4 and C443-3 pins No problem in PDU Go to step 6. Check if all 7 HV connectors of PDU are connected properly Action: If any connector is open connect it, Else replace PDU 6. Remove VCU side and PDU side LV connectors Check if there is continuity between C776B-6 and C443-4 of these connectors. No problem in the wiring between the PDU connector and VCU connector. Go to Step 7 Problem is in PDU to VCU wiring harness Action: Change PDU to VCU wiring harness
RkJQdWJsaXNoZXIy MTIwNTUz