Inspection On Qosii System Operation Thermo Switch; Gow Plug - Isuzu NHR 4J Series Workshop Manual

Inspection on QOSII System Operation
THERMO SWITCH
The thermo switch is located on the water outlet pipe.
6D6-3-1.tif
Use a circuit tester to check the thermo switch for continuity.
OFF!ON
ON!OFF
6D6-3-2.tif
GLOW PLUG
Use a circuit tester to test the glow plugs for continuity.
Glow Plug Resistance (Reference)
Quick on start model
6D6-3-3.tif
QOSII PREHEATING SYSTEM 6D6 – 3
: 7-13°C (44.6-55.4°F)
: Below 3°C (37.4°F)
OFF
3°C
Conventional model
10°C ON
Approximately 1.5
Approximately 0.9
Ohms