Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1.0 Date: 30/11/2019 Author: ERC Page 30 of 610 Copyright by TATA MOTORS Ltd. This document must not be used in any way, such as copying and redistributing to third parties, without our consent P0335- 31: Crankshaft Position Sensor "A" Circuit Overview: Code Cause Effect on Vehicle Fault Code: P0335- 31 1. Crank Sensor connection 2. ECU connection 3. Electrical wiring 4. Wiring connector breakage 5.Crank Sensor malfunctioning 1.Check engine lamp 2. Engine will not start Checkpoints: 1. Check Battery Voltage Trouble Shooting Steps: Sr. No. Steps Specifications Step 1 Check the Battery voltage Check the battery voltage Step 2 Check for continuity between sensor connector pins 1, 2 and ECU pins A78, A77 respectively. Check the End to end continuity using multimeter Step 3 Check the Crank sensor connection Check the electric connection Step 4 Check sensor physically Physical check and replace the sensor
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