Front Blower and Heater Controls and the A/C System Do Not Work

The front blower and heater controls and the A/C system do not work

Probable cause: front climate control unit malfunction

Do the front climate control unit power and ground circuit troubleshooting Front Climate Control Unit Power and Ground Circuit Troubleshooting

Also check for

HVAC DTCs Initial Inspection and Diagnostic Overview

Also check for

Blown fuse No.30 (10 A) in the driver's under-dash fuse/relay box

Also check for

Poor ground at G504

Also check for

Poor or loose connections at the terminals