Triumph 2012 Tiger 800 Service Manual page 259

ABS Modulator Communication
Fault Code
P 1 5 21
Pinpoint Test
Test
1
Check cable and terminal integrity:
- ECM pin B28
- ECM pin B27
- ABS modulator pin 1
- ABS modulator pin 17
2 Check cable for short circu it:
- ECM p i n B28 t o ground
- ECM pin B27 to ground
3 Check cable continuity:
- ECM pin B 2 8 to ABS modulator pin 1
- ECM pin B27 to ABS modulator pin 17
3 Reconnect harness, clear fault code and run
engine
Circuit Diagram
Possible cause
Fault in CAN communication between
ECM and ABS modulator
Result
OK
Faulty
O K
Faulty
O K
Fault still present
OK
Fault still present
Q=R =f] 2 8
ABS
Modulator
U
Service Manual Tiger 800 and Tiger 800XC
-
Fuel System/Engine Management
Action
&.
View
available.
Ensure ABS modulator connector is
secu re.
Proceed to pinpoint test 1 :
Action
Disconnect ECM and proceed to test 2
Rectify fault, proceed to test 4
Disconnect ABS modulator and proceed to
test 3
Locate and rectify wiring fault, proceed to test
4
Contact Triumph service
Locate and rectify wiring fault, proceed to test
4
Action complete, quit test
Contact Triumph service
B 2 7
ECM
note 'freeze frame' data if
10.8 1