HARRIER BOOK 2

Vehicle Platform: OSPREY

ECU Name: Hella Body Control Module (BCM) DTC

Troubleshooting Data

Version: 1.4

Date: 15 May 2018

Author: Body CoC

Page: 264 of 855

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.

B2261 – 11: Right Daylight Running Lamp - Circuit Short to Ground

Overview:

ISO Code

B2261 - 11

Customer Symptom

Right Daylight Running Lamp always OFF.

Fault Effects (On Vehicle)

Right Daylight Running Lamp always OFF

Lamp Status (If Any)

Always OFF

Fault Detection Condition

BCM log this fault when Right Daylight Running lamp

output is short to ground.

Normal Operating Condition

DRL turn On when Ignition is ON / vehicle is running

and both Headlamp and position lamps are ON.

Probable Trouble Area

1. BCM connector Fault

2. Right Daylight Running lamp output wire Short to

ground

3. Lamp damaged

4. BCM ECU fault

5. Right Daylight Running lamp mating connector

fault

Healing Condition

1. Ignition OFF



2. Clear DTC Command

Component Details:

Daylight Running lamps (DRL) are located at right front side of vehicle. DRL turn ON when Ignition is

ON / vehicle is running and both Headlamp and position lamps are OFF.

Preliminary Checks:

1. Check Battery Voltage (12.5 V & above)

2. Check ECU pins for oxidation, bending & damage

Trouble Shooting:-

1. Disconnect Vehicle battery.

2. Check continuity between A) right DRL output wire (c4-39) and ground. B) Between BCM pin (c4-39)

and BCM ground (c3-34). C) check for short within BCM. If found , rectify fault

3. Remove Right DRL and check continuity between BCM pin (c4-39) and BCM ground (c1-34). If

continuity found, correct BCM side wiring harness.

4. Check BCM and right daylight running lamp connectors for terminal back out. If connected loosely,

reconnect firmly and check.

5. Remove BCM side connector and perform visual check of connectors for pin bent or damage etc. If

found faulty, correct fault.

6. Remove DRL side mating connector and perform visual check of connector for pin bent or damaged

etc. If found faulty, correct fault.

7. Check the continuity between two terminals of DRL, if continuity found (i.e. lamp faulty), replace lamp.

8. If fault is not found, then replace ECU