Other information:
Operation Condition
1.
The power supplied to the PTC heater should be within DC 240V - 420V (high voltage).
2.
The power supplied to the PTC heater should be within 9.0V - 16.0V (low voltage).
3.
The interlcok and insulation resistance must be normal.
4.
The engine must be running.
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Inspection
1.
Turn the ignition switch OFF and disconnect the auxiliary battery (12V) negative (-) terminal.
2.
Connect the GDS to DLC.
3.
Turn the ignition switch ON.
4.
Inspect "Control Duty" and waveforms according to "Fan Status" by performing "Actuation Test" on GDS.
Cooling ...