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190
Figure 230 High-pressure oil hose, ICP Test Kit,
sensor, and Pressure Sensor Breakout Harness
1.
High-pressure hose
2.
Fitting, 13/16-16 NPT
3.
ICP sensor adapter
4.
ICP sensor
5.
VC Gasket Breakout Harness
3. Install test hose assembly to high-pressure pump.
Figure 231 Valve cover gasket
1.
Front of engine
2.
Pass-through connector for BCP sensor
3.
Pass-through connector for brake shut-off valve
4.
Pass-through connector for ICP sensor
4. Disconnect engine wiring harness from valve
cover gasket (ICP connector).
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
5 HARD START AND NO START DIAGNOSTICS
Follow all warnings, cautions, and notes.
© August 2008 Navistar, Inc.
5. Connect VC Gasket Breakout Harness between
high-pressure hose assembly and engine wiring
harness only.
NOTE: If connected to the valve cover, gasket
connector – readings will be wrong, because the
harness will be connected to the ICP sensor under
the valve cover.
6. Connect Actuator Breakout Harness to IPR. Do
not connect engine harness.
CAUTION: If the engine harness is connected to
the actuator breakout harness, the ignition switch
fuse will blow or cause damage to wiring harness.
Figure 232
B+ on power distribution terminal
Figure 233
Ground to terminal on cowl
7. Apply B+ volts and ground to the IPR valve.
EGES-270-1
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