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: 609 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. Check for any CAN bus related DTC’s.? Rectify them by Following their rectification Procedure Go to Step 2 2. Check for any Vehicle Speed Sensor related faults in Instrument Cluster ECU and ABS ECU.? Rectify them by Following their rectification Procedure Go to Step 3 3. Check for any pin back out at EMS ECU connector or back out at speed Sensor connector pin. Rectify/Replace the Connector Go to Step 4 4. Fault Still Persists? Replace Vehicle Speed Sensor. If fault still persists then replace Ecu Repeat the procedure for Fault Confirmation DTC’s confirmation:- After rectification, ensure the following points by referring engine parameters using TML diagnostic tool before handing over to customer. Keep the vehicle in Neutral, crank the Engine and press the Accelerator pedal hard. If Engine speed crosses 3000 RPM then confirm that fault is rectified.