Climate Control

Symptom Troubleshooting Index

21-32  

Symptom Diagnostic procedure Also check for
Both fans do not run at low speed with the A/C on when the refrigerant pressure is below 1,520 kPa (15.5 kgf/cm2, 220 psi). Radiator and Condenser Fans Low Speed Circuit Troubleshooting (see page 21-13)
  • Blown fuse No. 1 (30A) in the under-hood fuse/relay box and No. 14 (10A) in the under-dash fuse/relay box
  • Poor ground at No. G301
  • Cleanliness and tightness of all connectors
Condenser fan does not run at high speed when the engine coolant temperature is above 100°C (212°F) or the refrigerant pressure is above 1,520 kPa (15.5 kgf/cm2, 220 psi) with the A/C on. Condenser Fan High Speed Circuit Troubleshooting (see page 21-16)
  • Blown fuse No. 14 (10A) in the under-dash fuse/relay box
  • Poor ground at No. G302
  • Cleanliness and tightness of all connectors
Both fans do not run at high speed with the A/C on when the refrigerant pressure is above 1,520 kPa (15.5 kgf/cm2, 220 psi). Radiator and Condenser Fans High Speed Circuit Troubleshooting (see page 21-17) Cleanliness and tightness of all connectors
Compressor clutch does not engage. Compressor Clutch Circuit Troubleshooting (see page 21-18)
  • Blown fuse No. 6 (20A) in the under-hood fuse/relay box, and No. 14 (10A) in the under-dash fuse/relay box
  • Cleanliness and tightness of all connectors
A/C System does not come on (both fans and compressor). A/C Pressure Switch Circuit Troubleshooting (see page 21-36) Cleanliness and tightness of all connectors

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