Gravitas FATC Gen 3 DTC Troubleshooting Data Version: 1.0 Date: 15-July-2023 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. Author: ERC Page: 6 of 301 Fault Effects (On Vehicle) Solar load cannot be evaluated and solar compensation will not be possible Lamp Status (If Any) NA Fault Detection Condition Solar Radiation Sensor Circuit - Circuit short to Ground Normal Operating Condition With the sensor connected to the harness and with Ignition ON, check the voltage between pin no 1 & 2 of the sensor. The voltage range should be in between 4.057 to 1.334 V Probable Trouble Area Sensor signal line short to ground or sensor is faulty Healing Condition NA Component Details: Solar sensors sends the current to control unit according to the intensity of sunlight. Stronger the incident sunlight, higher the current. Preliminary Checks: Switch On the IGN & perform the following check. 1) Connect the Diagnostics tool & check the DTC fault code 2) Read ECU parameter value sensor Solar Load Status for solar load. Trouble Shooting:-
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