Fan wont shut off, until battery is dead.
Jul 7, 2019 at 3:40 AM
Radiator fans run with engine off
KRUSTY MCLAIN
- MEMBER
- 1 POST
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Good afternoon,
There are a couple of possibilities.
https://www.2carpros.com/articles/how-an-electric-cooling-fan-works
1. Relay stuck closed.
2. TIPM or totally integrated power module grounding the relay.
3. PCM not releasing ground to the relay.
You need an advanced scan tool to monitor the fan controls.
I attached a wiring diagram for you to view.
Roy
There are a couple of possibilities.
https://www.2carpros.com/articles/how-an-electric-cooling-fan-works
1. Relay stuck closed.
2. TIPM or totally integrated power module grounding the relay.
3. PCM not releasing ground to the relay.
You need an advanced scan tool to monitor the fan controls.
I attached a wiring diagram for you to view.
Roy
Image (Click to enlarge)
Jul 7, 2019 at 3:57 AM
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