Fall Detection Switch - Triumph 2012 Tiger 800 Service Manual

Fall Detection Switch

Fault Code
P 1 631
P 1 6 3 2
Pinpoint Tests
Test
1 Check cable and terminal integrity:
- ECM pin B21
2 Check cable for short circuit:
- ECM pin B21 to ground
3 Check cable continuity:
- ECM pin B01 to sensor pin 4
- ECM pin B21 to sensor pin 5
- ECM pin B20 to sensor pin 6
4 Check cable for short circuit:
- ECM pin B21 to ECM pin B 1
- ECM pin B21 to ECM pin B20
5 Check voltage (with ignition 'ON'> between: 5V
- Sensor pin 4 and sensor pin 6
6 Reconnect harness, clear fault code
Circuit Diagram
Possible cause
Fall detection switch low in put voltage View
Fall detection switch
voltage or open circuit
Result
OK
Faulty
O K
Short circuit
O K
Open circuit
O K
Short circuit
Less than 4.8V
O K
Fault still present
ECM
ffi=;=tJ
SeiVice Manual Tiger 800 and Tiger 800XC
-
Fuel System/Engine Management
Action
&
available.
high input
&
View
Ensure switch connector is secure.
Disconnect ECM and proceed to
pinpoint test 1 :
Action
Disconnect sensor and proceed to test 2
Rectify fau lt, proceed to test 6
Proceed t o test 3
Locate and rectify wiring fault, proceed to
test 6
Proceed t o test 4
Locate and rectify wiring fault, proceed to
test 6
Con nect ECM and proceed to test 5
Locate and rectify wiring fault, proceed to
test 6
Renew fal l detection switch and proceed to
test 6
Locate and rectify wiring
test 6
Action com plete, quit test
Contact Triumph service
Fall
Detection
Switch
note 'freeze fra me' data if
note 'sensor' data
fault, proceed to
10.6 1