514 / 4910
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: 482 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.
Trouble Shooting:
Step Checks
IF YES
IF NO
1.
Is the Inlet Air Circuit Clogged
Rectify / Replace the
Air inlet circuit
Go to Step 2
2. Are any of the faults of Boost pressure sensor
Rectify these faults
by following their
rectification
procedure3
Go to step 3
3
Is there any rust/oxidization observed on Sensor Terminals
Clean the Rust or
repair or replace
Go to step 4
4
Is there wiring harness electrical continuity between ECU
pin A96, Boost pressure Sensor connector pins 4.
Go to Step 5
Establish continuity
by rectifying
harness
connections as per
the circuit
schematic
5
Are there any pins damaged at Sensor/EMS ECU
Connector
Replace the
connector or wiring
harness
Go to step 6
6
Are there any pins backed out from the Sensor/EMS ECU
Connector
Rectify/Replace
Connectors
Go to Step 7
7
Is Sensor Supply pin A96, Short circuited to GND
Repair the harness
as per the schematic
Go to Step 8
8
Is Sensor Signal Pin A61, Short circuited to GND
Repair the harness
as per the schematic
Go to Step 9
9
Is sensor physically Damaged
Replace Sensor
Go to Step 10
10 Is the VGT valve / EGR valve mechanically damaged
Rectify/Replace the
VGT valve
Go to step 11
11 Is the Turbo charger physically damaged
Rectify/Replace the
turbo charger
Go to step 13
12
Check boost pressure supply (+5V) pin A38 short to supply
or open circuit.
Check boost pressure ground open circuit
Repair the harness
as per the schematic
Go to step 13
13 Fault Still Persists?
Call Hotline.
Follow the steps
again for
reconfirmation
DTC’s confirmation:
After rectification, Test Drive the vehicle for 2 KM and ensure that no DTC’s are logged in ECM.