Fault-Tracing Information

Checking A/C-relay Signal And A/C Compressor Signal

Trouble Code Condition(s)
- Diagnostic trouble codes (DTCs) absent.
- Engine is hot.
- Fault is permanent.

Possible Source(s)
- Open-circuit in A/C compressor signal cable.
- Defective idle air control (IAC) valve.
- Open-circuit in A/C relay signal cable.

^ To start fault-tracing proceed to Checking A/C Relay Signal and A/C Compressor Signal.