Vehicle Platform: OSPREY / AMP
ECU Name: PEPS
DTC Troubleshooting Data
Version: 1.2
Date: 29 Mar 2017
Author:
Rajasekhara Reddy
Page: 176 of 369
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.
B1641 – 11:- ClutchSwitch90PercPress Switch– Short to Ground
Overview:-
ISO Code (DTC Code)
B1641 - 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
ClutchSwitch90PrecPress signal of clutch sensor.
2. Wire cut & shorting to ground of Connector-2 / Pin-3
signal.
3. Bending of pins-3 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
ClutchSwitch90PrecPress signal of clutch sensor.
2. Wire cut & shorting to ground of Connector-2 / Pin-3
signal with vehicle body.
3. Bending of pins-3 of connector-2 and shorting to
ground pin.
Healing Condition
1. After fixing short to ground fault on
ClutchSwitch90PrecPress signal of clutch sensor,
passive vehicle start should work normally.
Table 38
:- B1641-11 overview details
Component Details:-
1. Clutch sensor
2. PEPS ECU




