PINPOINT TEST J : The Heating Ventilation Air Conditioning (HVAC) Module Does Not Respond To The Scan Tool: Notes

Refer to Module Communications Network for schematic and connector information.

Refer to Manual Climate Control , for schematic and connector information.

Refer to Automatic Climate Control , for schematic and connector information.

Normal Operation and Fault Conditions 

The HVAC module communicates with the scan tool through the MS-CAN.

Visual Inspection and Diagnostic Pre-checks 

Verify BCM fuse 46 (10A) is OK.