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ESCL ECU Replacement Procedure
Title: ESCL Part Replacement Procedure
Spec Num 2921 XX XXX A XXXXTBD
Date:
30-Jul-18
Version:
1.1
Page: 8 of 10
Prepared:
Hitesh K.
Checked:
Awanish T.
Approved:
Dinesh DG
Thisspecification isthe exclusive property of Tata MotorsLimited. Withouttheir consent it may not be reproduced or given to third
parties
.
The above specificationsare subject to change and therefore suppliersare requested to refer the latest one.
CONTROLLED COPY FOR RESTRICTED CIRCULATION
© TATA MOTORS LTD.
13) Write the VIN.
14) Write variant specific configuration data to ESCL against PLM server.
15) Turn OFF the IGNby pressing start stop switch.
16) Turn ON the IGNby pressing start stop switch.
17) Clear all DTC (parallel request to all ECUs)
18) Execute
ESCL Status Routine
19) Read the DTCs from ESCL ECU with the help of diagnostic tool. If any DTC is present follow the
respective troubleshooting procedure to it.
20) Check the customer reported fault, whether it is rectified.
21) If the fault is rectified, disconnect the OBD connector and diagnostic tool.
2.3.
If ESCL is replaced
1)
Dealer order the new ESCL from SPD & receives the same
.
2) Replace old ESCL ECU with new ESCL ECU (Refer section 2.2 “ECU replacement procedure”).
3) Ensure that all the wiring harness and removed brackets are screwed tightly as of original
conditions (i.e. before unscrew the brackets).
4) Returnvehicle back to customer.