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: 30 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. Is there any rust/oxidization observed on Sensor Terminals Clean the Rust or repair or replace Go to next step 2. Is there wiring harness electrical continuity between ECU pins K07,K27, K26 & Accelerator pedal Sensor connector pins. Go to next step Establish continuity by rectifying harness connections as per the circuit schematic 3. Are there any pins damaged at Sensor/EMS ECU Connector. Replace the connector or wiring harness Go to Next Step 4. Are there any pins backed out from the Sensor/EMS ECU Connector Rectify/Replace Connectors Go to Next Step 5. Is Sensor Supply Pin K07 Short circuited to Battery/GND or Open? Repair the harness as per the schematic Go to Next Step 6. Is Sensor Signal Pin K27 Short circuited to battery/GND or open circuited? Repair the harness as per the schematic Go to Next Step 7. Is sensor physically Damaged Replace Sensor Go to Next step 8. Fault Still Persists? Replace Sensor and then Fault still persists then Call Hot Line Follow the steps again for reconfirmation DTC’s confirmation: • Check the errors at Ignition ON, engine running @ Idle & Fly-up with different vehicle speeds also • If error present, then rectify the errors. Confirm that there is not error logged present before handed over Vehicle to customer.
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