Fault Conditions

P1657

A/C Relay Coil Circuit. Short to B+.







Fault symptoms
- A/C malfunctioning.

On-Board Diagnostics

Type of diagnosis:
- Continuous. But interrupted when fault criteria fulfilled and will not restart until next driving cycle.

Enable criteria:
- Ignition in ON position. A/C request has previously arrived on the bus on some occasion (cars with A/C). Output active.