3387 / 4910
Vehicle Platform: OSPREY / AMP
ECU Name: PEPS
DTC Troubleshooting Data
Version: 1.2
Date: 29 Mar 2017
Author:
Rajasekhara Reddy
Page: 105 of 369
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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.
Check if CRANK Relay feedback Line
of CRANK relay is shorted to ground.
Continuity
Found?
Correct CRANK Relay side wiring
harness (Short to Ground)
PEPS ECU faulty
Replace PEPS ECU.
Yes
No
Check continuity between PEPS mating connector
pin [C3-18] and CRANK relay feedback line
contact at CRANK Relay (harness side)
Continuity
Found?
Yes
Correct CRANK 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 B164B – 14 is not logged.
Circuit Schematic Diagram:-
Note:-
For detailed information please refer latest PEPS wiring harness schematic.