1. Disconnect the negative battery cable..
2. Remove the front map light..
3. Verify that the continuity between the sunroof switch terminals is as indicated in the table.

If not as indicated in the table, replace the sunroof switch.

Sunroof Switch Removal/InstallationLights On Indicator Light
Purpose
Notifies the user that the TNS or the headlights (LO) are on.
Function
Illuminates when the illumination conditions for the TNS, headlights (LO),
or parking lights are met.
When the instrument cluster receives the TNS malfunction signal sent via
CAN communic ...
Manual Air Conditioner Control System [Manual Air Conditioner]
Outline
The climate control unit performs the following controls based on the signals
from each switch/dial and the sensor.
A/C compressor control
Defroster control
Block Diagram
Outline of Control System
Manual air conditioner has the follo ...
Controller Area Network (Can)
Outline
The AWD control module (CM) sends and receives data to and from other modules
via the CAN system. Refer to MULTIPLEX COMMUNICATION SYSTEM for a detailed explanation
of the CAN system..
Data sent
AWD system status
Data received
Engine speed
Engin ...