Black Widow Security BW 2800 Manual de servicio descargar pdf (Pagina 55)

© 2002 Cannondale Corporation - All Rights Reserved

56

Electrical_EFI Service Manual.fm

CRANKSHAFT POSITION SENSOR

Fault Reported Possible Cause Action

Crank tooth sync fault

Damaged or contaminated

crankshaft position sensor,

damaged ECU, harness short

or open circuit, IACV con-

nector disconnected or

damaged

Check that harness connector is secure.

Check sensor air gap: 0.5 to 1.0 mm

Check for damaged flywheel teeth.

Check flywheel runout or play.

Disconnect ECU and go to Test 1.

Pinpoint Tests

Test Result Action

1. Check wire and terminal

integrity:

- P1 A1

- P1 B1

OK Disconnect sensor and go to Test 2.

Faulty

Locate and correct wiring fault and go to

Test 8.

2. Check cable for short circuit:

- P1 A1 to ground

- P1 B1 to ground

OK Go to Test 3.

Short circuit

Locate and correct wiring fault and go to

Test 8.

3. Check cable continuity:

- P1 A1 to CN2 pin 2

- P1 B1 to CN2 pin 1

OK Go to Test 4.

Open circuit

Locate and correct wiring fault and go to

Test 8.

4. Check cable for short circuit:

- P1 E1 to P1 F1

- P1 E2 to P1 F2

OK Go to Test 6.

Short circuit

Locate and correct wiring fault and go to

Test 8.

5. Check cable continuity:

- Sensor cable screen to (frame)

ground

OK Go to Test 7.

Open circuit

Locate and correct wiring fault and go to

Test 8.

6. Check sensor resistance:

Sensor pin 1 to pin 2

532 to 588 Ohms Go to Test 5.

Faulty Replace sensor and go to Test 8.

7. Check crank toothed wheel

- Damaged teeth

- Magnetic debris contamination

OK Go to Test 8.

Faulty

Clean / replace toothed wheel, go to Test

8.

8. Reconnect harness, run

engine and check for presence

of fault.

OK Done

Fault still present Contact Cannondale Dealer Service.

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