TIAGO TIGOR BSVI - SERVICE MANUAL - DTC 24-12-2021

TATA BSVI Gasoline Program – EMS ECU Bosch DTC Troubleshooting Service Manual Version: 1.2 Date: 18-12-2019 Prepared By: Sunita Mandlik Checked By: Yeshwant Jadhav Approved By: Satish Kumar Document Part No: 2921 02 xxx xxxx Page: 294 of 1498 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. Trouble Shooting:- Step Checks IF YES IF NO 1. Is radiator Fan Functioning / stalled / damaged? Repair / Replace Go to step 2 2. Is coolant Flow Blocked Clear the blockage Go to step 3 3. Is Radiator damaged? Repair / Replace Go to step 4 4 Is coolant fluid not available or evaporated? Fill the coolant Go to step 5 5 Check for any Cooling fan related faults Rectify them by following their rectification procedure Go to step 6 6 Are Fan relays faulty / Stuck Open? Replace the Fan relay Follow the above procedure again for reconfirmation DTC’s confirmation:- After rectification, ensure the following points by referring engine parameters using TML diagnostic tool before handing over to customer. Run the Vehicle for quite some time and check whether the radiator fans are functioning and coolant temperature is under control Circuit Schematic Diagram: