Circuit Description
The PCM receives an idle-up signal from taillight relay and rear defogger relay. This signal is present whenever one or more of the following systems is turned on or operated:
- Headlights or parking lights.
- Rear window defogger.
The PCM receives an idle-up signal from taillight relay and rear defogger relay. This signal is present whenever one or more of the following systems is turned on or operated: