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PREVOST X3-45 Multiplex User Manual

PREVOST X3-45 Multiplex
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3 Diagnostics, Troubleshooting and Testing
20
Meritor WABCO Maintenance Manual MM-0112 (Revised 07-05)
Blink Code Troubleshooting and Repair
* If this code continues after all repairs have been made — or if you receive a code for a component that is not installed on the vehicle — it may be necessary
to reconfigure the ECU. Refer to the Appendix III. TOOLBOX™ Software may also be used to reconfigure the ECU (refer to Appendix III). Contact ArvinMeritor’s
Customer Service Center at 800-535-5560 for additional information or assistance.
Blink Code Action Required Reference
2-1, 2-4
2-2, 2-5
2-3, 2-6
Check ABS modulator valve, valve cable and connectors.
Verify 4.0-9.0 ohms resistance (ABS modulator valve).
Refer to Valve Tests in this section.
3-1, 3-4
3-2, 3-5
3-3, 3-6
Adjust wheel sensor to touch tooth wheel.
Check sensor gap.
Check for loose wheel bearings or excessive hub runout.
Verify minimum 0.2 volts AC output @ 30 rpm.
Refer to Testing Components in this section.
4-1, 4-4
4-2, 4-5
4-3, 4-6
Check sensor, sensor cable and connectors.
Verify 900-2000 ohms resistance.
Repair or replace as needed.
5-1, 5-4
5-2, 5-5
5-3, 5-6
Check for tire size mismatch or tooth wheel difference.
Check sensor, sensor cable, and connector for intermittent contact.
Refer to Tire Size Range in this section.
6-1, 6-4
6-2, 6-5
6-3, 6-6
Check for damaged tooth wheel. Repair or replace as needed.
7-1* Check for correct J1939 data link connection.
Verify correct sensor adjustment. Refer to the sensor adjustment
information in this section.
Refer to the wiring diagram in Appendix II.
7-2* Check ATC valve, valve cables and connectors.
Verify 7.0-14.0 ohms resistance.
Refer to Valve Tests in this section.
7-3* Check retarder (third brake) connections. Refer to the wiring diagram in Appendix II.
7-4* Check ABS indicator lamp connections.
Verify blink code switch was activated longer than 16 seconds.
7-5* Verify correct ATC set-up.
7-6* Check RSC valve.
Verify 7.0-14.0 ohms resistance.
Refer to Valve Tests in this section.
8-1 Check for low voltage.
Check vehicle voltage, fuse and supply to ECU (9.5-14.0 volts).
Refer to the wiring diagram in Appendix II and
Voltage Check in this section.
8-2 Check for high voltage.
Check for vehicle voltage (9.5-14.0 volts).
Verify accuracy of blink code and clear from ECU memory.
Refer to Voltage Check and Blink Code Diagnostics
(Tractor ABS Only) in this section.
8-3 Verify accuracy of blink code and clear from ECU memory. Refer to Blink Code Diagnostics (Tractor ABS Only)
and Clear Mode information in this section.
8-4 Verify all ECU connectors are in place.
Verify accuracy of blink code and clear from ECU memory.
If code does not clear, it may be necessary to replace the ECU.
Contact ArvinMeritor’s Customer Service Center
at 800-535-5560.
8-5 Check all ABS, ECU, ATC and RSC valve grounds. Refer to the wiring diagram in Appendix II.
8-6 Verify accuracy of blink code and clear from ECU memory. Contact ArvinMeritor’s Customer Service Center at
800-535-5560.

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PREVOST X3-45 Multiplex Specifications

General IconGeneral
Length45 ft
Width102 in
EngineVolvo D13
Horsepower500 hp
GVWR54, 000 lbs
Height146 in
Sleeping CapacityVaries based on floor plan
Water CapacityVaries based on floor plan

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