HARRIER BOOK 2

Vehicle Platform: OSPREY / AMP

ECU Name: PEPS

DTC Troubleshooting Data

Version: 1.2

Date: 29 Mar 2017

Author:

Rajasekhara Reddy

Page: 184 of 369

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.

B164E – 11:- ClutchSwitch10PercPress Switch– Short to Ground

Overview:-

ISO Code (DTC Code)

B164E - 11

Customer Symptom

1. Passive vehicle starting will not work only clamp state

will change from OFF/ACC/IGN in manual transmission.

2. For Osprey clutchSwitch10Perc and clutchswitch90Perc

both are present and if anyone signal is healthy clutch

will function normally.

Fault Effects (On Vehicle)

1. Passive vehicle starting will work without clutch press in

manual transmission

2. Passive vehicle starting will not work only clamp state

will change from OFF/ACC/IGN in manual transmission.

Lamp Status (If Any)

N.A.

Fault Detection Condition

1. Permanent short circuit to ground of

ClutchSwitch10PrecPress signal of clutch sensor.

2. Wire cut & shorting to ground of Connector-2 / Pin-1

signal.

3. Bending of pin-1 of connector-2 and shorting to each

adjacent pin.

Normal Operating Condition

1. Vehicle battery voltage shall be normal.

2. Clutch pedal shall not be pressed continuously for more

than 3 min.

3. Valid paired UID should be present inside the vehicle,

clutch pressed and SSB should be pressed.

Probable Trouble Area

1. Permanent short circuit to ground of

ClutchSwitch10PrecPress signal of clutch sensor.

2. Wire cut & shorting to ground of Connector-2 / Pin-1

signal with vehicle body.

3. Bending of pin-1 of connector-2 and shorting to ground

pin.

Healing Condition

1. After fixing short to ground fault on

ClutchSwitch10PrecPress signal of clutch sensor,

passive vehicle start should work normally.

Table40:-

B164E-11 overview details

Component Details:-

1. Clutch sensor

2. PEPS ECU

Preliminary Checks:-

1. Check vehicle battery voltage, it should be normal.

2. Check ECU pins for oxidation, bending or damage.

Trouble Shooting:-