Troubleshooting

100 RENR2696-01
Troubleshooting Section
•
Check the operation of the air inlet heater starting
aid.
Also use this procedure if another procedure has
directed you h
ere.
The air inlet heater starting aid is used to improve the
engines’ abil
ity to start when the engine is cold. A
reduction of white smoke is also a benefit of the air
inlet heater starting aid.
The ECM controls the operation of the air inlet heater
starting aid through the air inlet heater relay and
P1:43.
There are two types of air inlet heater starting aid
that equip 11
00 Series engines. The 1104 uses glow
plugs. The 1106 uses a fuelled starting aid.
g00878524
Illustration 25
Schematic for the air inlet heater starting aid