Fault-Tracing Information

Fault-tracing information

Checking air conditioning (A/C) relay signal and air conditioning (A/C) compressor signal

Condition
- no diagnostic trouble codes (DTCs) stored
- engine at normal operating temperature.
- the fault is permanent.

Possible source
- open-circuit in signal cable from air conditioning (A/C) compressor
- defective idle air control (IAC) valve
- open-circuit in signal cable from air conditioning (A/C) relay.