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Nexon Gasoline – EMS ECU Bosch
DTC Troubleshooting Manual
Version: 0.1
Date: 26-08-2017
Prepared By: Sunu S Babu/Yogesh Jadhav
Checked By: Yeshwant Jadhav
Approved By: Satish Kumar
Document Part No: 2921 02 224 A1736
Page: 676 of 1203
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.
Inspection Method: -
AC Pressure Sensor Standalone Diagnosis:-
General function
The device is functioned by an external power supply unit and detects refrigerant pressure on an air
conditioning system and output analog voltage.
Range & Characteristics:-
Operating pressure range :-0 to 3.138MPa gage
Proof pressure :-5.88MPa gage min.
Burst pressure :-9.81MPa gage min.
Operating temperature :- -30 to 120C
Storage Temperature:- -40 to 140C
Supply voltage :-5.00 +/-0.25V DC
Supply current:-10mA max.
Output current :-1.5mA max.
Installation torque :-11 +/- 2Nm
Response time : Time from 10% to 90% of full scale output must be less than 10msec
Transfer Function plot:-
Standalone diagnosis is not possible for AC pressure Sensor