1808 / 4910
Vehicle Platform: Tiago,Tigor & Osprey
ECU Name: Hella Body Control Module (BCM)
DTC Troubleshooting Data
Version: 2.0
Date: 22-10-2018
Author: Parag K
Page: 465 of 737
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.
Check continuity between BCM matting connector pin
[C1-23]
and Ignition switch matting connector pin (Accessory)
Continuity Found?
Correct Wiring harness
NO
YES
Check continuity between BCM matting connector pin
[C1-9]
and Ignition
switch matting connector pin (Ignition)
Continuity Found?
YES
NO
Correct Wiring harness
A
B
Check continuity between BCM matting connector pin
[C1-21]
and
Ignition switch matting connector pin (Crank)
Continuity Found?
YES
Correct Wiring harness
NO
Check Key In ON?
1. Ignition switch faulty.
2. Replace Ignition switch.
NO
YES
Check Key In and
Accessory ON?
1. Ignition switch faulty.
2. Replace Ignition switch.
NO
YES
C
D