PREVOST X3-45 COMMUTER User Manual

SECTION 06: ELECTRICAL
42
DOB 1300-1556 | X3-45 Commuter PA-1648 Maintenance Manual Section 06 revised release October 2021
Problem/Symptom Probable Causes Actions
A single light, a group of
LED lights or another
function of the vehicle is
not functioning
The multiplex outputs are
protected in current by an
internal “soft-fuse”. When an
output is shorted, it turns
OFF and stays OFF until the
"soft-fuse" is reset
Turn the ignition key to the OFF position
and turn to the ON position again. This
resets all "soft –fuses"
No backlighting in the
instrument cluster
Circuit breaker CB6 is tripped
or CB128V, CB37V tripped
Check circuit breaker CB6
Check / reset CB128V, CB37V
Check / replace relay R22, R23
The radiator/CAC fans do
not function and the
engine is overheating
You can manually engage the
radiator/CAC fans half speed (50%) or full
speed (100%).
1.
On the Driver Information Display,
select DIAGNOSTICS menu. Select
VEHICLE TESTS submenu and then
ACTIVATE RADIATOR FAN SPEED
50% or ACTIVATE RADIATOR FAN
SPEED 100%.
2. The DID status line will show TEST to
confirm the
forced activation of the
rad
iator fans. To cancel, turn the
ignition switch to the OFF position or
press ESCAPE button, select
TERMINATE TESTS & FORCED
STATES
submenu and then press
ENTER button twice. TEST will
disappear from the DID status line.

PREVOST X3-45 COMMUTER Specifications

General

Engine	Volvo D13
Transmission	Allison B500
Fuel Type	Diesel
Length	45 ft (13.7 m)
Width	102 in (2.6 m)
Horsepower	500 hp
GVWR	54, 000 lbs
Height	141 in