Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1 Date: 23/11/2022 Author: ERC Page 578 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 P083F-00: Clutch Coherence Fault Overview: DTC Code P083F-00 DTC Description as per ISO standard Clutch Pedal Switch "A"/"B" Correlation ECU Pin Number B11, B12 Customer Symptom Drivability (During Taking Off on gradients & Gargling Noise of Turbo lag) will get effected as Clutch Pedal top Travel input is not available to EMS Fault Effects (On Vehicle) Drivability (During Taking Off on gradients & Gargling Noise of Turbo lag) will get effected as Clutch Pedal top Travel input is not available to EMS Lamp Status (If Any) CE Lamp ON Fault Detection Condition This fault gets logged when EMS receives the Clutch Bottom travel input but not the Clutch Top Travel input. Normal Operating Condition Check the Clutch Top Travel switch state & Bottom Travel switch stats in Diagnostic tool, which should vary as per the pedal press. Probable Trouble Area Clutch Sensor, ECU, Grounding points, Wiring harness. Healing Condition Ignition OFF to ON Component Details: Clutch Sensor (Hall Effect Sensor) provides two digital inputs to EMS regarding the Clutch Pedal Top travel (40 % Pedal press) & Clutch pedal bottom travel (90% pedal press). Clutch pedal top travel input will be used for Vehicle drivability improvement and Clutch pedal bottom travel input will be used for starter motor control, Current gear display and Gear Shift Indication functions. Preliminary Checks Check whether the customer voice / view about the issue is matching with the fault effects mentioned above. If yes, go ahead with next steps. If not, check for other DTC’s presence. Check whether similar complaints are earlier reported. If yes, perform the preliminary checks with respect to earlier issue closure. Check whether the clutch pedal connector is connected or not. Refit the connector tightly. Check the clutch sensor gap between the Sensor Magnet and pedal as per the Sensor mounting specification and if deviations found then perform the necessary repairs. Check whether the Clutch sensor is getting power supply at its Pin 1. Read the Clutch State parameter in Diagnostic tool: d) When pedal is not pressed – Clutch Engaged e) When Pedal is partially pressed – Clutch Disengaged f) When the pedal is fully pressed – Clutch Fully disengaged Air Gap Requirement:
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