Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1.0 Date: 30/11/2019 Author: ERC Page 553 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 P2299-00: Brake Pedal Position/Accelerator Pedal Position Incompatible Overview: DTC Description as per ISO standard Brake Pedal Position / Accelerator Pedal Position Incompatible ECU Pin Number B59,B32,B15, B60, B36, B19 Customer Symptom Engine restricted performance No response from accelerator pedal Fault Effects (On Vehicle) Limp home activated No pedal response Lamp Status (If Any) CEL ON Fault Detection Condition 1) This DTC gets logged due to accelerator pedal & brake pedal are pressed when the vehicle is more than 60 kmph for a specified length of time. 2) Brake pedal setting is not correct Normal Operating Condition No vehicle acceleration when Accelerator pedal and brake pedal are jointly pressed Probable Trouble Area Brake switch, EMS ECU, Accelerator pedal, APM sensors, Grounding points, Wiring harness connections between APM sensors and EMS ECU, Wiring harness connections btw Brake switches and EMS ECU Healing Condition Clear the errors, Ignition OFF to ON Component Details: Accelerator pedal sensor: For safety reasons, the accelerator pedal sensor is equipped with 2 resistors (potentiometers) with varying operating ranges (0.75 – 4.45 V and 0.38 – 2.23 V) and separate circuits. A potentiometer informally a pot, is a three- terminal resistor with a sliding contact that forms an adjustable voltage divider. If only two terminals are used, one end and the wiper, it acts as a variable resistor or rheostat. Based on the Accelerator pedal position, Engine will produce the driver demanded torque based on the accelerator pedal position. Brake Switches: For safety reasons, Brake pedal is equipped with two Switches. These switches transition their states when the brake pedal is pressed. EMS ecu uses the brake press information in its control strategies like Torque demand calculation, Gear Shift indication, Accelerator pedal stuck detection, vehicle start function when clutch sensor fails etc., 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, if the Brake lights are on even when no brake pedal is pressed.
RkJQdWJsaXNoZXIy MTIwNTUz