Triumph Rocket 3 GT 2021 - Page 716

678
5V Sensor Circuit B
Fault
Code
Possible cause
Action
P0652
5V Sensor Circuit B - reference
voltage low
View and note diagnostic 'freeze-
frame' data if available.
View and note diagnostic tool sensor
data
Disconnect twist grip position sensor
and proceed to pinpoint test 1:
P0653
5V Sensor Circuit B-reference voltage
high
P06A7
5V Sensor Circuit B - reference
voltage out of range
Pinpoint Tests
Test
Result
Action
1
Check cable and terminal integrity:
- Engine ECM pin B26
- Engine ECM pin B24
OK
Disconnect sensor and
proceed to test 2
Faulty
Rectify fault, proceed to
test 5
2
Check cable for short circuit:
- Engine ECM pin B26 to ground
- Engine ECM pin B26 to Engine ECM
pin B24
OK
Proceed to test 3
Short
Circuit
Locate and rectify wiring
fault, proceed to test 5
3
Check cable for short circuit:
- Engine ECM pin B26 to Engine ECM
pin A08
- Engine ECM pin B26 to Engine ECM
pin A21
OK
Proceed to test 4
Short
Circuit
Locate and rectify wiring
fault, proceed to test 5
4
Check cable continuity:
- Engine ECM pin B26 to twist grip
position sensor pin 5
- Engine ECM pin B24 to twist grip
position sensor pin 1
OK
Proceed to test 5
Open
Circuit
Locate and rectify wiring
fault, proceed to test 5
5
Reconnect harness, clear fault code
and run engine to verify fault cleared.
OK
Action complete - quit test
Fault still
present
Contact Triumph service