Dodge D350 1990 - Check Preheat Cycle

Air System
Page 11-10
Exhaust System and Intake Manifold
DODGE Turbo Diesel
20
Seconds
"CLICK"
WAIT TO START!
^^|LOCK~1
Walt 20 seconds.
The solenoids should click off.
The 'Wait to Start" light should begin flashing.
Note: The wait to start light will flash Indicating an open circuit
in the thermistor wiring. Disconnecting the thermistor simulates
this condition.
DM
° AUTO/LOCK
a DC/AC
a VOLTS
o OHMS
a MIL LI AMPS
The multimeter should show voltage at the KSB Valve wire
terminal. This voltage reading is an indication that the
thermistor is sensing a temperature of 15°C [59°C] or above.
Note: No intake manifold postheat will occur while the
thermistor is disconnected.
Turn the Ignition switch to the "OFF" position.
Connect the thermistor wire harness.
/ ON \
^^^^^^^^
/ ON \
^^^^^^^^
/ ON \
^^^^^^^^
j BRAKE ® ® |
/ ON \
^^^^^^^^
JMIV1IMS
/ ON \
^^^^^^^^
4BO DIESEL. !—SAL-
LOW ~' —* | WAIT TO START j'
/ ON \
^^^^^^^^
FUEL ^—I ^
H
.FSFIRIFiOMY A
ANT,
-T
0CK
7
/ ON \
^^^^^^^^
(t%f) Check Preheat Cycle
Turn the ignition switch to the "ON" position.
Do not start engine.