( TF09E8HG10500000000HBAT00 )
Climate Control Symptom Troubleshooting Index
Symptom
Diagnostic procedure
Also check for
Recirculation control doors do not change between Fresh and Recirculate
  • Blown fuse No. 10 (7.5 A) in the under-dash fuse/relay box
  • Cleanliness and tightness of all terminals
Blower, heater controls, and A/C do not work
  • Blown fuse No. 10 (7.5 A) in the under-dash fuse/relay box
  • Poor ground at G502
  • Cleanliness and tightness of all terminals
Both fans do not run with the A/C on (but the A/C compressor runs with the A/C on)
  • Blown fuse No. 30 (30 A) and No. 47 (30 A) in the under-dash fuse/relay box
  • Poor ground at G202
  • Cleanliness and tightness of all terminals
A/C condenser fan does not run at all (but radiator fan runs with the A/C on)
  • Blown fuse No. 47 (30 A) in the under-hood fuse/relay box
  • Cleanliness and tightness of all terminals
A/C compressor clutch does not engage (but both fans run with the A/C on)
  • Blown fuse No. 43 (7.5 A) in the under-dash fuse/relay box
  • Cleanliness and tightness of all terminals
A/C system does not come on (both fans and the A/C compressor do not work); heater is OK
Blower fan runs slower than expected in cold weather
NOTE: It is normal for the blower to run slowly until the engine coolant temperature begins to rise. If the blower continues to run slowly for an abnormal length of time, continue to troubleshoot the problem.
HDS does not communicate with the climate control unit or the vehicle