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

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

Probable cause: Rear climate control unit malfunction

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

Also check for

HVAC DTCs How to Troubleshoot the Climate Control System

Also check for

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

Also check for

Poor ground at G652

Also check for

Poor or loose connections at the terminals