Q501 4 Cylinder MT Application DTC Troubleshooting Data Version: 0.1 Date: 21-Sep-2018 Prepared By: Mithi Prasad, Sarang Kulkarni, Manish Gupta Checked By: Yogesh Jadhav Approved By: Satish Kumar P Page: 396 of 1052 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. Are Relay Contacts weld / Stuck open?. Replace the Relay Go to Step 2 2. Is there wiring harness electrical continuity between ECU pin K55 & Starter relay coil pin X. Also Check continuity between the Main Relay supply and the relay Coil pin X and Battery supply to Crank Inhibit relay contact pin X. Go to Step 3 Establish continuity by rectifying harness connections as per the circuit schematic 3. ECU pin K55 short to ground? Repair the harness as per the schematic Go to step 4 4 Is relay getting Supply Go to Step 5 Repair the harness as per the schematic 6 Fault Still Persists? Replace relay and then if Fault still persists then call hotline. Follow the steps again for reconfirmation DTC’s confirmation: Press the clutch fully & then start the engine. Check the errors at Ignition ON, engine running @ Idle & Fly-up with different vehicle speeds as wellM. Circuit Schematic: EMS ECU
RkJQdWJsaXNoZXIy MTIwNTUz