Triumph Rocket III Classic Service Manual page 319

Fuel System/Engine Management
( Lambda Sensor Heater - Rocket III Touring
Fault Code Possible cause Action
P0031 Lambda sensor heater circuit short View
Il.
note "freeze frame" data if
circuit to ground or open circuit. available.
View Il. note "sensor" data.
Ensure sensor connector is secure.
Disconnect ECM and proceed to
pinpoint test 1:-
P0032 Lambda sensor heater circuit, short Disconnect lambda sensor and
circuit to battery. proceed to pinpoint test 4:-
Pinpoint Tests
Test Result Action
1 Check cable and terminal integrity: OK Disconnect lambda sensor and proceed to
- ECM pin A26
test 2
Faulty Rectify fault, proceed to test 5
2 Check cable for short circuit:
OK Proceed to test 3
- ECM pin A26 to ground Short circuit Locate and rectify wiring fault, proceed to test
5
3 Check cable continuity: OK Proceed to test 5
- ECM pin B20 to sensor pin 4 Open circuit Locate and rectify wiring fault, proceed to test
- ECM pin A06 to sensor pin 1
5
4 Check cable for short circuit: OK Renew lambda sensor and proceed to test 5
- ECM pin A26 to ECM pin A06
Short circuit Locate and rectify wiring fault, proceed to test
5
5 Reconnect harness, clear fault code and run OK Action complete, quit test
engine. Check adaption status.
Circuit Diagram
EMS Relay
Fuse Box
Fuse 6
Fault still present Contact Triumph service
NK
lambdaSensor
KM
~--KB
820
~---8-814
L--_ _ _ _ _
W
Al.
' - - - - - - - - - - - H K A06
Service Manual - Rocket
1111
Classic
1
Touring
11.115