ChapmanF's Recent Activity
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ChapmanF replied to the thread P0108 gen4 Prius wiring diagram need.
Toyota Service Information and Where To Find It | PriusChat
Apr 18, 2026 at 8:55 PM -
ChapmanF replied to the thread Aux Battery Voltage on CarScanner.
Feels weird when it happens, too.
Apr 18, 2026 at 8:54 PM -
ChapmanF replied to the thread solar powered secondary AC system for keeping cabin and battery temps down.
Some gen 3 trims did this. They put a 60W-rated solar panel on the roof, and used it to drive the HVAC blower up front, switching the...
Apr 18, 2026 at 8:52 PM -
ChapmanF replied to the thread Hybrid battery cooling mod.
That message looks for the life of me as if they have sent you an AI summary of what a good BMS ought to do. :) What I would be hungry...
Apr 18, 2026 at 5:04 PM -
ChapmanF replied to the thread Aux Battery Voltage on CarScanner.
Not interested in busting anybody's chops, just pointing out it's the timing of the reading that determines whether you're seeing...
Apr 18, 2026 at 3:40 PM -
ChapmanF replied to the thread Aux Battery Voltage on CarScanner.
Your own equipment, if you read it when the DC/DC converter is operating, will also show you the DC/DC converter output voltage.
Apr 18, 2026 at 1:35 PM -
ChapmanF replied to the thread Quick flash of red triangle and beep sound.
It seems then as if the selection of problems you ended up helping people with was skewed toward those with trouble codes in the ECM or...
Apr 18, 2026 at 12:59 PM -
ChapmanF replied to the thread "P" shift position vs. PARK button.
It's in many separate sections to download individually. :(
Apr 18, 2026 at 10:31 AM -
ChapmanF replied to the thread Quick flash of red triangle and beep sound.
As of when it was reviewed in the thread dolj linked (and summarized in the later post dolj also linked), Dr. Prius was known to be able...
Apr 18, 2026 at 10:28 AM -
ChapmanF replied to the thread Aux Battery Voltage on CarScanner.
Pin 16 of the diagnostic connector is always powered, and AFAIK most OBD tools that show you 12-volt system voltage are just making...
Apr 18, 2026 at 10:09 AM -
ChapmanF replied to the thread Hybrid battery cooling mod.
Fifty-nine seconds of waving at a circuit board flopped down from a battery blade and talking about what a BMS in general does, zero...
Apr 17, 2026 at 10:34 PM -
ChapmanF replied to the thread 2003 leaves stuck in blower motor.
Waggle a skinny vacuum-cleaner hose in through the filter slot, or the recirc air inlet, or both.
Apr 17, 2026 at 10:23 PM -
ChapmanF replied to the thread Hybrid battery cooling mod.
Understood. I have a personal preference for doing business with outfits that show their work. Others may or may not share that. With...
Apr 17, 2026 at 8:21 PM -
ChapmanF replied to the thread Quick flash of red triangle and beep sound.
Were you accelerating, stopping, or turning a corner at the time of the flash and beep?
Apr 17, 2026 at 8:10 PM -
ChapmanF replied to the thread Hybrid battery cooling mod.
The web site does seem to say that—which sounds promising—but sure doesn't seem to say very much more than that. It's not like anywhere...
Apr 17, 2026 at 6:39 PM
