Test G: The Autolamps Are On Continuously

PINPOINT TEST G: THE AUTOLAMPS ARE ON CONTINUOUSLY

Normal Operation
The smart junction box (SJB) sends a reference voltage signal to the headlamp switch through circuit CLF19 (VT/GN) and a reference voltage signal to the light sensor through circuit VLF14 (BU/BN). Ground for the headlamp switch is provided by circuit GD115 (BK/GY). Ground for the light sensor is provided by circuit GD133 (BK).

When the headlamp switch is placed in the AUTOLAMPS ON position, the voltage signal is routed to ground. When the SJB detects the headlamp 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.







This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Light sensor
- Headlamp switch
- SJB

G1-G2:

G2-G6:

G6-G8:

G8-G9:

G9-G10:

G11-G12:

G12-G13: