Ambient Sensor: Inspection

WARNING: This page is about a different car, the 2004 Subaru Impreza. However, it is still accessible from the selected car via links, so may be relevant.

Measure the ambient sensor resistance.

Fig 1: Measuring Ambient Sensor Resistance

Courtesy of SUBARU OF AMERICA, INC.

Fig 2: Sensor Resistance Chart

Courtesy of SUBARU OF AMERICA, INC.

If NG, replace the ambient sensor.