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FATC Replacement Procedure
TITLE :
FATC Replacement Procedure
Doc No: 2921 02 217 A1198
Date
: 3
rd
February 17
Revision
: 1.0
Page: 6 of 9
Prepared : Valentina \Vinisha
Checked: Valentina
Approved: Anand Sikchi
This specification is the exclusive property of Tata Motors Limited. Without their consent it may not be
reproduced or given to third parties
.
The above specifications are subject to change and therefore suppliers
are requested to refer the latest one.
CONTROLLED COPY FOR RESTRICTED CIRCULATION
© TATA MOTORS LTD.
3. FATC Replacement
FATC
¶
s replacement process is consistent across all trim levels. FATC that is replaced in place of a
damaged one will be prior tested and in proper working condition.
On connecting new FATC in vehicle, FATC should work without any issues once the calibration is done.
3.1. Replacement Process
The FATC replacement process is done when FATC is damaged for various reasons. The FATC
replacement process has two aspects as given below:
1.
Mechanical
2.
Electrical
3.1.1. Mechanical
For mechanical replacement & assembly sequence, please refer
³
FATC Information Fitment Drawing
´
.
3.1.2. Electrical
The electrical aspect of FATC replacement is to ensure that ECU is having the required SW.
1. Switch OFF the Ignition.
2. For Mechanical removal of the control panel, refer the
³
FATC Information Fitment Drawing
´
.
3. Remove both connectors (Vehicle side connector and HVAC side Connector) from ECU.
4. Replace with new ECU.
5. Assemble the ECU as per the assembly sequence instruction. Refer
³
FATC Information Fitment
Drawing
´
.
6. Connect both (Vehicle side connector and HVAC side Connector) to the ECU.
7. Connect the Diagnostics tool to OBD connector.
8. IGN on condition and execute the
³
Actuator Motor Calibration Routine
´
Actuator Motor Calibration routine
Step 1 - Start the Routine
Start request: 31 01 3e 02