Q501 4 Cylinder MT Application DTC Troubleshooting Data Version: 0.1 Date: 21-Sep-2018 Prepared By: Mithi Prasad, Sarang Kulkarni, Manish Gupta Checked By: Yogesh Jadhav Approved By: Satish Kumar P Page: 473 of 1052 Copyright © TATA MOTORS Ltd. This document must not be used in any way, such as copying and redistributing to third parties, without the consent of author. P1B11-46: Torque to quantity conversion not strictly monotonous (calibration / parameter memory failure) Overview: DTC Description as per ISO standard Torque to quantity conversion not strictly monotonous (calibration / parameter memory failure) - calibration / parameter memory failure ECU Pin Number - Customer Symptom MIL ON Fault Effects (On Vehicle) No limp home Lamp Status (If Any) MIL ON Fault Detection Condition (Root cause) Ignition on engine on vehicle running Normal Operating Condition No Fault Code Probable Trouble Area Transmission clutch not release. Engine mechanical failure Healing Condition Write IMA code. Clear through diagnostic tool Ignition OFF & ON Component Details: NA Preliminary Checks: 1. 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. 2. Check whether similar complaints are earlier reported. If yes, perform the preliminary checks with respect to earlier issue closure. 3. Check for any other faults presence related to ECU Internal power supplies; Follow rectification process for those faults, before proceeding further. 4. Check for electrical continuity between ECU to AMF connector as per circuit schematic and rectify electrical discontinuity if noticed. 5. Check inlet air circuit for clogging; wrong assembly/fitment etc; Clean the inlet air circuit and remove any clogging. Trouble Shooting:
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