it is the second time i start the insight with the 12v starter without no modification (no take off fuse or no turn off breaker,nothing to do).
ordinary when i start the car i put the key in the ignition ,i turn the key in position 2 and wait a few second until the dash light turn on ,ready to turn at position 3 and the motor start with the ima motor .
for start the car or exercise your 12v starter you insert the key in the ignition at position 0 and dont wait for the other position and turn quickly at position 3
"et voila" the motor start on the 12v starter with the horrible sound of the starter 12 volts.
i experiment this with the temperature under the frozen point maybe at ambient temp is not working i let you try to confirm this eureka.
You can put the key in and turn it directly to start, it doesn't start off the 12v starter. No waiting needed, I crank my key quickly to start every time.
If you stall the engine while the IMA is trying to spin it up you might get a 12v start. I accidentally released the clutch once after the IMA started the spinup but before it had a chance to get it going fast enough and the next time I turned the key it started off the 12v. That only happened once for me so I'm not sure if it is repeatable but you could give it a shot.
The manual says to switch off the IMA pack with the service switch in the pack.
The car uses the 12v battery when it is -10f/-20c from what someone told me, although I've had it start off the 12v battery when it was slightly warmer than that but it's always been below -0f. I think the threshold is -20c. I'm unaware of a hot threshold, never happened to me, even when I've had the battery pack so hot that it would only give 4 bars of regen when using the brakes with plenty of headroom for charging on the SOC display and I still had auto-stop.
My 2000 Insight had the 12V starter operating at -10C yesterday on first start of the day as measured via obdiicc gauge.
To inadvertently obtain 12V starter activation, I've bobbled the key on>off>on again, turning the engine over inititally with the IMA, but so quickly turned 'off' as not to fire, and on turning to start position very quickly following [quarter sec est.] to bump it over it reverted to 12V in warmer >0C conditions some time ago.
iirc from reading, the latter situation of a 'non-start' is sensed as a fault of the IMA not successfully generating ignition after an attempt so the starting system reverts to the backup.
I have not noticed if SoC bears into the threshold for 12V starter activation, but I've gotten it at 3bars showing at about the same temps, and also a few days previous with about 18 bars on the display.
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