Isuzu NPR 4J Series - Quick-On Start III System (4 JG2 Only)

00 – 50 SERVICE INFORMATION
QUICK-ON START III SYSTEM
(4JG2 only)
Quick-On Start System Inspection Procedure
1. Disconnect the thermo-sensor connection on the
thermostat outlet pipe.
2. Turn the starter switch to the “ON” position.
If the Quick-On Start III System is operating properly,
the glow relay will make a clicking sound within seven
seconds after the starter switch is turned on.
3. Measure the glow plug terminal voltage with a circuit
tester immediately after turning the starter switch to
the “ON” position.
Glow Plug Terminal Voltage V
8 – 9
NOTE:
Electrical power to the quick-on start system will be
cut after the starter has remained in the “ON”
position for twenty seconds.
Turn the starter switch to the “OFF” position and
back to the “ON” position.
This will reset the Quick-On Start III System.
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