Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1 Date: 23/11/2022 Author: ERC Page 34 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 ECM is supplied voltage from the battery positive supply through Main relay. ECM ground connection is connected to the battery negative supply. ECM functionality critically depends on ensuring proper ground connection. Circuit Schematic Diagram: NA Component location and image: Connector View & Information: Wiring Harness Side NA P00BD-00: Mass or Volume Air Flow "A" Circuit Range/Performance - Air Flow Too High Overview: Code Cause Effect on Vehicle Fault Code: P00BD-00 1. AMF Sensor reading incorrect values 2. Aging of AMF sensor 3. Oil deposition on AMF sensor 4. Air path Leakage (TC to intake manifold hoses) 5. Choked air filter 6. EGR leakage / Exhaust leakage 7. Wrong Orientation of the AMF sensor 8. Improper ECU connection 1.MIL Lamp On 2.Reduced Vehicle Performance
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