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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: 24 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 there any rust/oxidization observed on Sensor Terminals
Clean the Rust or
repair or replace
Go to next step
2.
Is there wiring harness electrical continuity between ECU
pins K41,K25, K24 & Accelerator pedal Sensor connector
pins 4,2,3.
Go to next step
Establish continuity
by rectifying
harness connections
as per the circuit
schematic
3.
Are there any pins damaged at Sensor/EMS ECU
Connector.
Replace the
connector or
wiring
harness
Go to Next Step
4.
Are there any pins backed out from the Sensor/EMS ECU
Connector
Rectify/Replace
Connectors
Go to Next Step
5.
Is Sensor Supply Pin K41 Short circuited to Battery/GND or
Open?
Repair the
harness as per
the schematic
Go to Next Step
6.
Is Sensor Signal Pin K25 Short circuited to battery/GND
or open circuited?
Repair the
harness as per
the schematic
Go to Next Step
7.
Is sensor physically Damaged
Replace Sensor
Go to Next step
8.
Fault Still Persists?
Replace Sensor
and
then Fault still
persists then Call
Hot Line
Follow the steps
again for
reconfirmation
DTC’s confirmation:
•
Check the errors at Ignition ON, engine running @ Idle & Fly-up with different vehicle speeds also
•
If error present, then rectify the errors. Confirm that there is not error logged present before handed over
Vehicle to customer.