Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1 Date: 23/11/2022 Author: ERC Page 62 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 P0339-00: Crankshaft Position Sensor "A" Circuit Intermittent Overview: Code Cause Effect on Vehicle Fault Code: P0339-00 1. Crank teeth misdetection 2. Intermittent signal loss 3. Crank Sensor loose connection or pin backout 4. ECU connector loose connection or pin backout 5. Electrical wiring damage 6. Wiring connector breakage 7. Incorrect Air gap (0.5 to 1.5 mm) 8. Crank Sensor malfunctioning 9. Damage in flywheel teeth 10. ECU terminal pin damage or bend 1.CE Lamp ON 2. Engine may not start Lamp status: Check Engine Lamp on Malfunction Indicator Lamp off 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 Crank sensor connector is connected properly. Check for any damage in the connector - Step 2 Check whether the ECU connector is connected properly - Step 3 Check for continuity between sensor connector pins 1, 2 and ECU pins A78, A77 respectively. If there is any missing continuity, correct the wiring. Check the End to end continuity using multimeter Step 4 Check for any damage or bend in ECU terminal pin. Check for any damage in the connector. -
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