Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1 Date: 23/11/2022 Author: ERC Page 45 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 P0102-00- Mass or Volume Air Flow Sensor "A" Circuit Low Overview: Code Cause Effect on Vehicle Fault Code: P0102-00 1. AMF sensor feedback Short circuit to supply 2. AMF Sensor connector loose connection 3. ECU connector loose connection 4. Wiring connector breakage 5.AMF Sensor malfunctioning 1.MIL Lamp On 2.Reduced Vehicle Performance Lamp status: Check Engine Lamp off Malfunction Indicator Lamp on Checkpoints: 1. Check Battery Voltage at Ignition off (Nominal Range 11.5V ~ 12.8V) Trouble Shooting Steps: Sr. No. Steps Specifications Step 1 Check whether the AMF sensor connector is connected properly - Step 2 Check for any damage or bend in ECU terminal pin - Step 3 Check for continuity between AMF sensor connector pins 3, 1, 2, 4 and ECU pins B45, B47, B17, B65 respectively. If there is any missing continuity, correct the wiring. Check the End to end continuity using multimeter Step 4 Check the sensor physically - Step 5 If the problem persists, replace the sensor - Verification condition: Drive the vehicle in city and highway condition.
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