Engine Cranks But Will Not Start (Engine Cold)

NOTE: If ignition switch is left in the ON position for an extended period of time or the engine is not started within the 2 minute cycle time, the glow plug system must be reset by turning the ignition switch to the OFF position.

Check and follow correct starting procedure. Correct starting procedure is located on driver's side sun visor. If vehicle does not start using correct starting procedure, go to next step. If vehicle starts, return vehicle to customer.
Open hood and listen for glow plug module power relay click when ignition switch is turned to ON position. The glow plug module power relay is mounted on top of solid-state glow plug module circuit board. The complete assembly is mounted on rear of intake manifold. If relay clicks, go to next step. If relay does not click, go to SYSTEM/COMPONENT TESTS - DIESEL.
Loosen one injector nozzle line nut one-half to one turn. Crank engine and observe injector line. If fuel is discharged from loosened injector line, go to SYSTEM/COMPONENT TESTS - DIESEL. If fuel is not discharged from loosened injector line, tighten injector line nut and go to next step.
Crank engine and check voltage at Fuel Shutoff (FS) solenoid. FS solenoid terminal is located at front of injection pump. Voltage must be at least 9 volts. Check FS solenoid terminal for dirt, corrosion, loose or broken electrical connection and repair or replace as necessary. If solenoid terminal and electrical connection are okay and at least 9 volts are present while cranking, go to next step. If at least 9 volts is not present, check Red/Light Green wire from FS solenoid to ignition switch. Repair wire as necessary, repeat this test. See Figure.
Crank engine and check voltage at Cold Advance (CA) solenoid. CA solenoid is located at left rear of injection pump. Voltage must be at least 9 volts. If voltage is as specified, go to ENGINE PERFORMANCE DIAGNOSTICS . If no voltage is present, verify switching function of Engine Temperature Switch (ETS), located behind thermostat housing. If at least 9 volts are not present at ETS, check Red/Light Green wire from ETS to ignition switch. Repair wire as necessary and repeat this test. See Figure.