## 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

a a a