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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: 381 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.
P0697 – 1C: Sensor supply 3 - voltage out of range
Overview:
DTC Description as per ISO standard
Sensor supply 3 - voltage out of range
ECU Pin Number
ECU pin K24, K27, K07,K41,K25,K26
Customer Symptom
MIL Lamp ON
Fault Effects (On Vehicle)
No limp home
Lamp Status (If Any)
MIL On
Fault Detection Condition (Root cause)
At ignition On
Normal Operating Condition
No Fault Code
Probable Trouble Area
1. Accelerator pedal sensor supply pin (K41, K07) short to
ground
2. EMS ECU
Healing Condition
Clear through diagnostic tool
Ignition OFF & ON
Component Details:
EMS ECU has two Internal 5 Volts power supplies. Power Supply 2 will provide input voltage to a group of sensors –
A. and Power Supply 2 will give input voltage to another group of Sensors-B.
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 the connection of sensors powered by sensor supply Voltage 1. Follow sensor supply voltage1 check
/rectification process.
•
Check sensor connections for rust dirt etc; Follow rectification process of concerned sensor if faulty.
•
Check with diagnostic tool if the sensor supply voltage lies in between 4.75 V to 5.35 V.
•
Check ECU; Replace ECU, if problem still persists.