Repair Procedures: Inspection

Ignition "ON"
Using the scan tool.
Emit intensive light toward auto light sensor using sunshine, and check the output voltage change.
The voltage will rise with higher intensive light and reduce with lower intensive light.

Fig 1: Scan Tool Display - BODY CONTROL MODULE
Courtesy of KIA MOTORS AMERICA, INC.

Fig 2: Scan Tool Display - CURRENT DATA
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Fig 3: Scan Tool Display - AUTO LIGHT SENSOR
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NOTE: When checking auto light sensor, select a place where sun shines directly on it.
If the measured resistance is not specification, substitute with a known-good auto light sensor and check for proper operation.
If the problem is corrected, replace the auto light sensor.
Remove the photo & auto light sensor (A) from the upper crash pad.

Fig 4: Locating Photo & Auto Light Sensor
Courtesy of KIA MOTORS AMERICA, INC.

Disconnect the 6P connector from the auto light sensor then inspect the connector on the wire harness side, as shown in the chart.

CONNECTOR REFERENCE CHART

Tester connection	Condition	Specified condition
1-Ground	Auto light switch ON	Continuity
2-Ground	Sensor power	5V

If the circuit is not as specified, inspect the circuits connected to other parts.