Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Solar Sensor: Testing and Inspection

Sunload Sensor Inspection

Reference: Sunload Sensor Removal and Installation:Automatic Type




1. Light over sunload sensor vertically with an incandescent lamp of approximately 60 W.
The distance between sunload sensor and lamp should be approximately 100 mm (3.94 in.).
2. Measure voltage between terminals of sunload sensor as shown.
If check result is not satisfactory, replace sunload sensor with new one.

Sunload sensor voltage specification: 0.3 V or more