Nexon MCE 2 Gen3 Digital Instrument Cluster DTC Troubleshooting Data Version: 1.0 Date: 12-June-23 Author: Vasant Date Page: 68 of 135 Copyright © TATA MOTORS Ltd. This document must not be used in any way, such as copying and redistributing to third parties, without the consent of author. B194F - 13:- Wireless charger Input – Circuit Open Overview:- ISO Code B194F - 13 Customer Symptom Wireless charger information will not displayed in HU Fault Effects (On Vehicle) N/A Lamp Status (If Any) N/A Fault Detection Condition Wireless charger information will not displayed in HU Normal Operating Condition Wireless charger information will displayed in HU Probable Trouble Area Related wiring Harness, connector or terminals damaged IPC connector wired wrong, Harness wire shorted, Wireless charger damaged. Healing Condition IC shall recover from open/short condition after receiving valid input in IGN ON. Component Details:- Wireless charger will give PWM input to Instrument cluster and instrument cluster will convert PWM to CAN and transmit to HU. Preliminary Checks:- Check Battery Voltage is normal in the range (9v - 16v) Check wire harness for Pinch/Cut. Check ECU & wireless charger pins for oxidation, bending & damage. Check wireless charger PWM signal on Pin no. - 10 of the cluster wired connector.
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