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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: 502 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 Step 2.
2.
The frequency from "range 5" is detected. The received
frequency must be between the two thresholds 78.5 KHz
and 64.2 KHz on EMS pin no A029. If this condition is not
satisfied.
Establish continuity
by rectifying
harness
connections as per
the circuit
schematic.
Go to Step 3.
3.
Are there any pins damaged at Actuator /EMS ECU
Connector.
Replace the
connector or wiring
Harness.
Go to step 4.
4.
Are there any pins backed out from the Actuator /EMS ECU
Connector.
Rectify/Replace
Connectors.
Go to Step 5.
5.
Is actuator, Short circuited to Battery or open?
Repair the harness
as per the
schematic.
Go to Step 6.
6.
Is sensor physically Damaged?
Replace Sensor.
Go to Step 7.
7.
If fault still persists.
then replace sensor
and if fault still
persists then call
Hotline.
Follow the above
procedure again for
Reconfirmation.
DTC’s confirmation
(checks before handing over vehicle to customer)
:
1. Check the errors at Ignition ON, engine running @ Idle & Fly-up with different vehicle speeds also.
2. If error present, then rectify the errors.
3. Confirm that there is no error logged in EMS before handing over vehicle to customer.