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: 64 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. Step Checks IF YES IF NO 1. Check whether the boost pressure sensor connector is fitted properly. Go to next step Fit connector properly 2. Check for electrical continuity between ECU to Boost pressure sensor connector as per circuit schematic Go to Step 3 Establish continuity by rectifying harness connections as per the circuit schematic 3. Are there any pins damaged at EMS ECU Connector or boost pressure Sensor connector? Replace the connector or wiring harness Go to step 4 4 Are there any pins backed out from the EMS ECU Connector or Boost pressure sensor connector? Rectify/Replace Connectors Go to Step 5 5 Check inlet air circuit for clogging; wrong assembly/fitment etc; Any issues found? Clean the inlet air circuit and remove any clogging Go to Step 6 6 Check air leak in intake or exhaust circuit Rectify/Replace Connectors/hoses/pipes Go to Step 7 7 Fault Still Persists? Replace boost pressure Sensor. If Fault still persists then Call Hot line. Follow the steps again for reconfirmation DTC’s confirmation: After rectification, Test Drive the vehicle for 2 KM and ensure that no DTC’s are logged in ECM. Circuit Schematic: EMS ECU A95 A61 A38 A96 Boost Pressure Sensor 1 2 3 4 +5V supply Boost Pressure signal Ground Boost Temp signal
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