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: 966 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 dust/mud/any particle is blocking throttle valve? Clean the Actuator and refit it. Go to step 2 2. Is throttle valve stuck opened? Rectify/replace component Go to step 3 3. Are any throttle body related faults present ? Rectify them by following their rectification procedure Go to step 4 4 Turn the ignition off and wait for 15 seconds and turn the ignition on then recheck the fault. Fault reappears? Replace Throttle body/actuator Go to step 5 5 If fault persists? Replace EMS ECU Follow the above procedure for reconfirmation DTC’s confirmation:- After rectification, ensure the following points by referring engine parameters using TML diagnostic tool before handing over to customer. Pls. perform the Throttle Actuator IO Control test. IF test is successful then the fault rectification is confirmed. Circuit Schematic Diagram: