Triumph Tiger Explorer XR 2017 Service Manual page 658

Tiger Explorer XR Series
The above illustration shows the pin numbering system used for the chassis ECM
The rear connector's pins are prefixed A and the front connector's pins are prefixed B. As viewed on the mating
face with the chassis ECM (as per the illustration), pins are numbered from right to left with number one in the
top right corner.
Further Diagnosis
The tables that follow will, if used correctly, help to pinpoint a fault in the system once a diagnostic trouble code
has been stored.
Power Supply Rail Overvoltage/Undervoltage
Fault Code
C1001; C1002
Pinpoint Tests
Test
1 Check fuse integrity:
- Main fusebox, fuse 3 (PS3):
- Main 40 Amp fuse
2 Check cable and terminal integrity:
- Chassis ECM pin B01
- Alternator output terminal
- Battery positive terminal
- Battery negative terminal
3 Check cable for short circuit:
- Chassis ECM pin B01 to ground
654 of 746
Chassis ECM Pin Numbering
Possible Cause
Main power supply overvoltage
Main power supply undervoltage
Blown fuse
Short circuit to ground or open
circuit
Charging system fault
Result
OK
Faulty
OK
Faulty
OK
Short circuit
Action
Disconnect chassis ECM
connectors and proceed to
pinpoint test 1:
Action
Proceed to test 2
Replace blown fuse(s), proceed to test 5
Proceed to test 3
Rectify fault, proceed to test 5
Proceed to test 4
Locate and rectify wiring fault, proceed
to test 5
ELECTRICAL