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OSPREY- Application
DTC Troubleshooting Data
Version: 4.0
Date: 10-02-2017
Prepared by: Mithipati Prasad
Checked by: G S Raju / Senthilnathan S
Page: 643 of 654
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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.
P0098: Intake Air Temperature Sensor 2 Circuit High
Overview:
Description as per ISO Standard
Intake Air Temperature Sensor 2 Circuit high
ECU Pin Number
73
Customer Symptom
-
Fault Effects (On Vehicle)
-
Lamp Status (If Any)
CE lamp ON
Fault Detection Condition
This DTC gets logged if EMS ECi intake air temperature 2 (Boost Temperature)
input pin 73 gets short circuited to ground / open circuited
Normal Operating Condition
Proper wiring harness connections between Intake Air Temperature sensor 2
(Boost Temperature Sensor) and EMS ECU
Probable Trouble Area
Wiring Harness connections between Boost Pressure & Temperature sensor to
EMS ECU, Boost Temperature Sensor, EMS ECU
Healing Condition
Clear the errors, Ignition OFF to ON, engine idle & fly-up condition
Component Details:
Boost Temperature sensor is a NTC sensor which provides the Boost air temperature to EMS ECU
Preliminary Checks
x
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.
x
Check whether similar complaints are earlier reported. If yes, perform the preliminary checks with respect to
earlier issue closure.
x
Check for Damage in EMS ECU connector / Boost Pressure & Temperature sensor connector.
x
Check for any back out of pins at EMS ECU connector / Boost Pressure & Temperature sensor connector.
x
Check for any damage of pins at EMS ECU connector / Boost Pressure & Temperature sensor connector.