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.
Check for resistance or output voltage between terminals in each switch position.
[Audio]
SwitchConnector terminalResistance (±5%)Output voltageSeek up2-4430 ?0.4 V ± 0.22Seek down2-41.1 k?1.0 V ± 0.22Mode2-42.11 k?1.5 V ± 0.22Mute2-43.11 k?2.0 V ± 0.22Volume up2-44.61 k?2 ...