Pinpoint Test 1: The Autolamps Are Inoperative
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PINPOINT TEST 1: THE AUTOLAMPS ARE INOPERATIVE - HYBRID
Normal Operation
When the headlight switch is placed in the AUTOLAMPS ON position, the voltage signal is routed to ground. When the smart junction box (SJB) detects the headlight switch in the AUTOLAMPS ON position, the SJB monitors the light sensor input. The light sensor determines the amount of light based on the input received from the ambient lighting conditions. When the ambient level has reached a point (determined by the internal programming of the SJB), the SJB provides voltage to the headlamps, parking and license plate lamps.
Possible Causes
- Light sensor
- SJB
Diagnostic Procedure
CAUTION:Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.
