Vehicle Platform: OSPREY / AMP
ECU Name: PEPS
DTC Troubleshooting Data
Version: 1.2
Date: 29 Mar 2017
Author:
Rajasekhara Reddy
Page: 96 of 369
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TATA MOTORS Ltd.
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Check if IGN Relay feedback Line
of IGN relay is shorted to ground.
Continuity
Found?
Correct IGN Relay side wiring
harness (Short to Ground)
PEPS ECU faulty
Replace PEPS ECU.
Yes
No
Check continuity between PEPS mating connector
pin [ C2-19] and IGN relay feedback line contact at
IGN Relay (harness side)
Continuity
Found?
Yes
Correct IGN Relay side wiring
harness (Open circuit)
No
A
B
DTC’s confirmation:-
After rectification, ensure the following points by using TML diagnostic tool before handing over to customer.
a) DTC B164A – 14 is not logged.
Circuit Schematic Diagram:-
Note: -
For detailed information please refer latest PEPS wiring harness schematic.




