45
8/14/02
45
IGNITION COIL
Fault
Possible Cause
Action
Coil short fault
Damaged ignition coil or
ECU, harness short circuit,
coil connector disconnected
or damaged
Component test ignition coil. Refer to
"Ignition Coil" starting on page 45.
Check ignition coil harness connector is
secure.
Disconnect ECU and go to Test 1.
Pinpoint Tests
Test
Result
Action
1. Check wire and terminal
integrity:
- P2 H1
OK
Go to Test 2.
Faulty
Locate and correct and go to Test?.
2. Check resistance value:
Disconnect diagnostic con-
nector CN10, lighting connector
CN26 (Motorcycle only), remove
E M S p o w e r r e l a y. M e a s u r e
between relay socket terminal
30 and P2 H1.
0.6 Ohms
Disconnect ignition coil and go to Test 3.
Open circuit
Go to Test 4.
Short circuit
Disconnect ignition coil and go to Test 5.
3. Check wire for short circuit
between:
- P2 H1 to ground
Short circuit
Locate and correct wiring fault and go to
Test 7.
Open circuit
Go to Test 7.
4 . C h e c k w i r e c o n t i n u i t y
between:
EMS power relay socket ter-
minal 30 and CN8 pin 2.
Continuity
Go to Test 6.
Open circuit
Correct wiring fault and go to Test 7.
5. Check wiring for short circuit
between:
EMS power relay socket ter-
minal 30 and P2 H1
Short circuit
Locate and correct wiring fault and go to
Test 7.
Open circuit
Go to Test 6.
6. Check ignition coil primary
resistance across coil pins 1 and
2
0.6 Ohms primary
Go to Test 7.
Faulty
Replace coil, go to Test
7. Reconnect ECU, run engine
check for presence of fault.
OK
Done
Fault still present
Contact Cannondale Dealer Service.
Circuit Diagram
