Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1.0 Date: 30/11/2019 Author: ERC Page 520 of 610 Copyright by TATA MOTORS Ltd. This document must not be used in any way, such as copying and redistributing to third parties, without our consent Trouble Shooting: Step Checks IF YES IF NO 1. Ensure that the repairs are performed - - 2 Check whether the Airbag ECU is sending CAN signal indicating No crash detected. Confirm Fault rectification Replace Airbag ECU / Relevant sensors 3 Fault Still persists? Call Hotline Repeat the above steps for fault confirmation schematic. 4. Check whether the EMS ecu pin 32/ 68 is short circuited to Ground. Rectify the wiring harness connections as per the schematic Go to step 6 5. Fault still persists? Replace economy mode switch. IF fault still persists then Call hot line Confirm the above procedure for fault Rectification. DTC’s confirmation: After rectification, ensure the following points by referring engine parameters using TML diagnostic tool before handing over to customer. Turn the Ignition OFF and then turn it ON. Recheck the fault, Fault shall not reappear. Circuit Schematic: NA Component location & Connector Location Image: NA
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