Appendix B - Troubleshooting Guide for Multiplex Vehicles
5
Problem/Symptom
Probable Causes
Actions
No backlighting in the
instrument cluster
Circuit breaker CB9 is tripped
or fuse F21 blown.
Check / reset circuit breaker CB9
Check / replace fuse F21.
The radiator fan clutch
does not function and the
engine is overheating
1. Set the ignition key to the ON
position.
2. Activate the dashboard Telltale Light
Test switch 3 times within 4 seconds.
3. In the engine compartment, flip the
starter selector switch to REAR
START and then start the engine
from the rear.
While in this mode, the rear start push-
button can be used to manually engage
the fan clutch. The Multiplex system
knows when the engine is already running,
and it will not activate the starter.
4. Press the push-button one time to
engage the clutch in 1
st
speed, press
a second time to engage in 2
nd
speed,
press a third time to stop the fan,
press once again to return to 1
st
speed.
If the fan clutch does not engage using
this procedure then the clutch is faulty or
the wiring between the multiplex module
and the clutch is faulty. Mechanically lock
the fan clutch as described in section 05:
COOLING
SYSTEM of the maintenance
manual.
Summary of Contents for X3-45 VIP 2015
Page 1: ...COACH MANUFACTURER OWNER S MANUAL X3 45 VIP PA1610 Rev 1 February 2015...
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Page 155: ...Technical Information 9 3 LE MIRAGE XLII OVERALL DIMENSIONS...
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