Jacobsen Eclipse 322, Руководство по ремонту

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4-112 4222983 Second Edition
ELECTRICAL
4
DTC: Steering Fault 7310
Speed sensor feedback error. (See “Steering Fault: 2310, 2340, 4210, 4310, 7310” on page 4-83.)
DTC: Steering Fault 7320
Center switch has not reached cam end within 6 seconds.
DTC: Steering Fault 7321
The position error during the calibration is greater than the error window.
DTC: Steering Fault 7322
Wheel angle and cam center switch signal are not synchronized.
DTC: Steering Fault 7380
Reference generator not connected or short circuited. (See “Steering Fault: 7380” on page 4-84.)
Probable Cause Remedy
Voltage spike in 5V signal ground. Verify that the grounding modification has been completed. If not, contact Customer Care.
Faulty connections. Check steering motor connections; make sure connections are dry, clean of corrosion
and tight.
SCU 5VDC signal is not present Verify 5VDC from SCU 23 pin connector is present.
Faulty steering motor. Substitute the steering motor with a known good steering motor. If system now works,
re-install old component to verify fault returns.
Probable Cause Remedy
Rear wheel obstructed. Check rear wheel for obstruction.
Steering motor chain. Check steering motor chain tension.
Steering yoke bearing. Check steering yoke bearing.
Probable Cause Remedy
Motor is backdriven during SCU
calibration. Remove pressure from wheel.
Faulty steering motor. Substitute the steering motor with a known good steering motor. If system now works,
re-install old component to verify fault returns.
Probable Cause Remedy
Motor is backdriven during SCU
calibration. Remove pressure from wheel.
Probable Cause Remedy
Faulty wiring harness. Check wiring between steering input device and steering control unit.
Steering wheel input device. Substitute the steering wheel input device with a known good steering wheel input device.
If system now works, re-install old component to verify fault returns.