4
Appendix B – Troubleshooting Guide for Multiplex Vehicles
!
Problem/Symptom
Probable Causes
Actio
ns
Stoplights and center
stoplights not functioning
and ELECTRICAL SYSTEM.
The
message “No Response ModA51,
Active” indicates a power problem
on the module. (A CAN network
problem would show the same
message but doesn't produce this
symptom).
2. Check / reset circuit breaker CB2
3. Check / replace fuse F80
4. Probe gray connector on module to
see if it is powered.
Engine is overheating
and radiator fan clutch
does not engage
The A/C compressor
clutch does not engage
Module A52 is not
powered or is faulty
1. Check the SYSTEM DIAGNOSTIC
menu of Driver Information Display
(DID). Select FAULT DIAGNOSTIC
and ELECTRICAL SYSTEM. The
message “No Response ModA52,
Active” indicates a power problem
on the module. (A CAN network
problem would show the same
message but doesn't produce this
symptom).
2. Check / reset circuit breaker CB5
3. Check / replace fuse F65
4. Probe gray connector on module to
see if it is powered.
Evaporator fan not
functioning
Circuit breaker CB3 tripped
Module A54 is not
powered or is faulty
1. Check / reset circuit breaker CB3
2. Check the SYSTEM DIAGNOSTIC
menu of Driver Information Display
(DID). Select FAULT DIAGNOSTIC
and ELECTRICAL SYSTEM. The
message “No Response ModA54,
Active” indicates a power problem
on the module. (A CAN network
problem would show the same
message but doesn't produce this
symptom).
3. Check / reset circuit breaker CB5
4. Check / replace fuse F67 , F68
5. Probe gray connector on module to
see if it is powered.
Summary of Contents for X3-45 COACH
Page 1: ...OPERATOR S MANUAL X3 45 COACH ...
Page 2: ......
Page 3: ...COACH MANUFACTURER OPERATOR S MANUAL X3 45 COACH PA1609 December 2015 ...
Page 8: ......
Page 13: ......
Page 18: ... WARNING Unless otherwise stated do not run the engine when the engine compartment is open ...
Page 25: ...either open or shut A key is provided for unlocking the door if the option was chosen ...
Page 153: ... ...
Page 164: ......
Page 176: ......
Page 189: ...INTERIOR UNLATCH AIR VALVE 12164 ...
Page 190: ...7 4 Safety Features and Equipment UNLATCH AIR VALVE LOCATION 12209 ...
Page 192: ...an audible alarm will sound 2 The operator shall bring the vehicle to a safe stop ...
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Page 220: ......
Page 239: ...9 2 Technical Information VEHICLE IDENTIFICATION NUMBER VIN 13 COACH FINAL RECORD 13 ...
Page 240: ...Technical Information 9 3 X3 45 OVERALL DIMENSIONS SIDE ELEVATION 18673_1 ...
Page 241: ...9 4 Technical Information X3 45 OVERALL DIMENSIONS TOP FRONT AND REAR VIEWS 18674_1 ...
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Page 264: ...4 Try disconnecting the CECM ...
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