Triumph Rocket 3 GT 2021 - Page 684

656
Oxygen Sensor - Slow Response
Fault
Code
Possible cause
Action
P0133
Oxygen sensor circuit slow response -
bank 1 sensor 1
View and not ‘freeze-frame’ data if
available.
Disconnect engine ECM and proceed
to pinpoint test 1:
Pinpoint Tests
Test
Result
Action
1
Check cable and terminal integrity:
- Oxygen sensor pin 1
- Oxygen sensor pin 2
- EMS relay pin 5
- Engine ECM pin C22
OK
Disconnect oxygen sensor
and proceed to test 2
Faulty
Rectify fault, proceed to
test 4
2
Check cable for short circuit:
- Engine ECM pin C22 to ground
Check sensor resistance:
- Oxygen sensor pin 3 to 4
OK
Proceed to test 3
Short
Circuit
Locate and rectify wiring
fault, proceed to test 4
3
Check cable continuity:
- Engine ECM pin C22 to oxygen
sensor pin 3
- Engine ECM pin A08 to oxygen
sensor pin 4
OK
Proceed to test 4
Open
Circuit
Locate and rectify wiring
fault, proceed to test 4
4
Reconnect harness, clear fault code
and run engine. Check adaption status.
OK
Action complete - quit test
Fault still
present
Contact Triumph service