Triumph Rocket III Classic Service Manual page 321

Fuel System/Engine Management
( Fall Detection Switch - Rocket III and Classic
Fault Code
P1631
P1632
Pinpoint Tests
Test
1 Check cable and terminal integrity:
- ECM pin A04
2 Check cable for short circuit:
- ECM pin A04 to ground
- ECM pin A04 to ECM pin A20
3
Check cable continuity:
- ECM pin A01 to sensor pin 4
- ECM pin A04 to sensor pin 5
- ECM pin AO? to sensor pin 6
4 Check cable for short circuit:
- Sensor pin 4 to sensor pin 5
- Sensor pin 4 to sensor pin 6
5 Check voltage (with ignition on):
- Sensor pin 4
6 Reconnect harness, clear fault code.
Circuit Diagram
Possible cause Action
Fall detection switch low input voltage View
&
note "freeze frame" data if
Fall detection switch high
voltage or open circuit
Result
OK
Faulty
OK
Short circuit
OK
Open circuit
OK
Short circuit
12V (battery voltage)
Less than 12V
OK
Fault still present
[CM
Fall
Dete<tion
Switch
[;}=
07 KB
=1IJ
AM KU 5
AOl K 4
input
available.
View
&
note "sensor" data
Ensure switch connector is secure.
Disconnect ECM and proceed to
pinpoint test 1:-
Action
Disconnect sensor and proceed to test 2
Rectify fault, proceed to test 6
Proceed to test 3
Locate and rectify wiring fault, proceed to test
6
Proceed to test 4
Locate and rectify wiring fault, proceed to test
6
Proceed to test 5
Locate and rectify wiring fault, proceed to test
6
Renew fall detection switch and proceed to
test 6
Locate and rectify wiring fault, proceed to test
6
Action complete, quit test
Contact Triumph service
SelVice Manual - Rocket 1111 Classic 1 Touring
11.117