Nexon_WPCF ECU Service guide and replacement procedure Title: Nexon_WPCF ECU Service guide and replacement procedure Spec Num 2921 XX XXX A XXXXTBD Date: 22-May-2021 Version: 2.1 Page: 5 of 24 Prepared: Swati Yogi Checked: Awanish T. Approved: Himanshu Saxena This specification is the exclusive property of Tata Motors Limited. Without their consent, it may not be reproduced or given to third parties. The above specifications are subject to change and therefore suppliers are requested to refer the latest one. CONTROLLED COPY FOR RESTRICTED CIRCULATION © TATA MOTORS LTD. Figure 1: WPCF ECU Unit .............................................................................................................. 9 Figure 2: Cooling FAN mounted with WPCF ECU........................................................................... 9 Figure 3: WPCF ECU FAN cover .................................................................................................... 9 Figure 4: Connector and pinout details of WPCF ECU .................................................................. 10 Figure 5: Anti-skid mat .................................................................................................................. 10 Figure 6: : Interface diagram of WPCF ECU ................................................................................. 11 Figure 7: Exploded view of Fan and Fan Cover mounting on WPCF ECU .................................... 13 Figure 8: Critical dimensions while fitment .................................................................................... 14 Figure 9: Charging Mode ON - Pop up.......................................................................................... 15 Figure 10: Charging Mode On- All time Display ............................................................................ 15 Figure 11: Foreign objects on Anti-skid Mat .................................................................................. 16 Figure 12: Foreign Object Detection Error on HU.......................................................................... 16 Figure 13: “Error” message displayed on Head Unit ...................................................................... 17 Figure 14: Location of WPCF ECU and Smart phone placement surface in vehicle ...................... 19 Figure 15: WPCF ECU Exploded view .......................................................................................... 19 Figure 16: WPCF connector location............................................................................................. 20 Figure 17: Assembly of WPCF Module To Trim ............................................................................ 21 Figure 18: Assembly of Tray to Trim ............................................................................................. 21 Figure 19: Mounting Location Guidelines ...................................................................................... 22 Figure 20: Assembly of Rubber Mat To Trim................................................................................. 23 Table 1: Trouble shooting guide ................................................................................................ 12
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