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80 Appendix
Testing sunlight sensor
Testing sunlight sensor
Place the machine on a level ground, lower the work equipment to the ground and stop the engine.
Turn the battery disconnect switch to the OFF position and remove the key.
a Note the connector numbers and installed positions before disconnecting wiring harnesses and hoses.
Testing
(PC88MR-K5FH-360-K-00-A)
1. Remove the machine monitor cover. For details, see "Testing air leakage (duct)".
2. Check connector P31 at the rear of the sunlight sensor. (Check whether the connector is coming off.)
3. Disconnect connector P31, remove the sunlight sensor, and measure the voltage between the terminals
on the sensor side using a circuit tester in voltage range.
Approximate voltage of sunlight sensor unit
0.55 V: Direct sunlight
0.45 V: Cloudy
0.4 V: Indoors
80-44
(PC220-K5FH-001-K-00-A)
PC88MR-10
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