Engine Troubleshooting Guide - Volvo D13 User Manual

4. ENGINE TROUBLESHOOTING GUIDE

go to
step 2
go to
step 3
step 2
engine does not rotate
what is the
voltage reading
on 24-volt-
system
dashboard
indicator ?
lower than
24 volts
faulty 24-volt-system power supply
or low battery voltage. Contact
Prévost Action Services
PA1561
does the
engine
rotate ?
no
yes
does the red
"Stop Engine"
indicator
illuminate and
yes
go off after 5
sec. ?
no
faulty 12-volt-system power supply,
probable causes :
- battery cables improperly connected
- fuse blown
- faulty battery equalizer
- activate the DDEC self-diagnostic system
and contact your Detroit Diesel service
center
higher than
24 volts
place the shift selector to
neutral "N" position and start
the engine
no
plug the Diagnostics Data
Reader DDR into the receptacle
or momentarily depress the
stop engine "OVERRIDE"
switch to activate the DDEC
self-diagnostic system
with diagnostic code in
hand, contact your
Detroit Diesel service
center
yes
is the shift
selector to
neutral "N"
position ?
no
47
Section 01: ENGINE
START
is the
engine
starting ?
yes
see
note 1
there may be a problem
with the starter or starter
circuit. Contact Detroit
Diesel or Prévost Action
Service
yes
is the rear start
selector to
"NORMAL"
position?
no
Set the rear start
selector to "NORMAL"