Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1 Date: 23/11/2022 Author: ERC Page 87 of 834 Copyright by TATA MOTORS Ltd. This document must not be used in any w ay, such as copying and redistributing to third parties, w ithout our consent Step 5 Check Battery supply to ECU. Check all fuses are OK. Nominal range – 11.5 V ~ 12.8V Step 6 If the problem persists. Replace the injector and Check - Step 7 If the problem persists,then replace ECU and check - Verification condition: Drive the vehicle in city and highway condition. Circuit Description: ECM injects fuel in the cylinder with the help of injectors. ECM monitors the engine sensors and determines the precise quantity of fuel to be injected. ECM turns the injector on for a precise amount of time referred to as injection pulse width or injection duration to deliver the calculated fuel in cylinder. Injector is turned on through high side driver (supply) as well as low side driver (ground) present. Circuit Schematic Diagram: Component location and image:
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