"Check Hybrid System" "YIKES" - Toyota Nation Forum : Toyota Car and Truck Forums

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post #1 of 13 Old 03-17-2017, 03:57 PM Thread Starter
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"Check Hybrid System" "YIKES"

Hello:


I have a 2007 Camry Hybrid with a tad over 70k miles and I am the second owner. Yesterday the check hybrid system warning came on and will not go off after reset. I took it to Advanced Auto for a code check and it came back "P0A80" Replace Hybrid Battery Pack.


However, the car still runs and all accessories are functional. However, when I turn un the energy display I don't see the engine, electric motor and battery charging in active mode; the battery although is illuminated blue with almost a full charge being indicated.


Could this possibly be some other kind of anomaly... say a fuse or computer module at fault as opposed to the need for a full battery replacement? I read somewhere that if the electric motor isn't turning the car shouldn't work.


Please help and advise. Thank you in advance.
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post #2 of 13 Old 03-17-2017, 10:50 PM
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Your 12V is likely dead or next to. It's been known that 12V can cause all kinds of trouble codes. Lots of posts about this here.

NEW HYBRID OWNER FAQ ANSWERED HERE:
http://www.toyotanation.com/forum/10...ease-read.html

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post #3 of 13 Old 03-17-2017, 10:51 PM
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post #4 of 13 Old 03-17-2017, 10:53 PM
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post #5 of 13 Old 03-20-2017, 05:25 PM Thread Starter
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Well, after reading many threads here and following the recommendation to swap out my 12v battery things have gotten more bizarre. The rear blower, blows air and cannot be turned off the MPG gauge reads zero when the car is full stop at the light. It appears the main battery is charging while I am driving, because I see it go from purple to blue to green. It appears however, the engine and electric motor is not transferring power. At this point I am not sure how the car is operating, can someone explain how this is supposed to work and what can possibly be wrong.
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post #6 of 13 Old 03-20-2017, 05:56 PM
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You need to find someone with Techstream s/w and scan the car. Dealer is an option.

NEW HYBRID OWNER FAQ ANSWERED HERE:
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post #7 of 13 Old 03-20-2017, 06:10 PM Thread Starter
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Originally Posted by ukrkoz View Post
You need to find someone with Techstream s/w and scan the car. Dealer is an option.

Can you (or anyone) the me what must be working correctly if I am able to drive the car and the lights, stereo, et all all work normally?
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post #8 of 13 Old 03-20-2017, 06:56 PM
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My only suggestion is to test 12V. As it provides power supply to many electronics, so if 12V goes low, a lot may act up. Please.
Otherwise, no one can really remotely pinpoint what is wrong. Toyota uses Techstream as software that goes into the car guts to scope it. So dealership or good independent with that software and access to proprietary codes. As some things are released to dealership only.
12V you could test roughly at any parts store, just tell them it's deep cycle battery.

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post #9 of 13 Old 03-20-2017, 06:59 PM Thread Starter
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Quote:
Originally Posted by ukrkoz View Post
My only suggestion is to test 12V. As it provides power supply to many electronics, so if 12V goes low, a lot may act up. Please.
Otherwise, no one can really remotely pinpoint what is wrong. Toyota uses Techstream as software that goes into the car guts to scope it. So dealership or good independent with that software and access to proprietary codes. As some things are released to dealership only.
12V you could test roughly at any parts store, just tell them it's deep cycle battery.
The battery was changed today, so this is occurring post 12v swap.
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post #10 of 13 Old 03-20-2017, 08:44 PM
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Ah huh.... Then the only way is to scope. Did it throw warning lights immediately after 12V swap? If yes, Toyota says to do 3 consecutive complete Start up/Shut down procedures. This si supposed to reset the system.

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post #11 of 13 Old 03-20-2017, 09:04 PM Thread Starter
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Yep, tried that, but it did not work either I am wondering if it could be a fuse or something . I am terrified of dealerships I have my daughters wedding in two months, a tax liability to pay so I really can't afford to pay the super marked up prices of Toyota dealership right now. Thanks for taking a stab at it though.

Last edited by ukrkoz; Yesterday at 01:02 PM. Reason: offensive word changed.
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post #12 of 13 Old Yesterday, 01:06 PM
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Well, USB to OBD2 port cable is $35 online and Techstream is free. Several owners here very successfully use that approach on their cars. Even a basic OBD2 scanner may reveal error codes.
I doubt it's a fuse. May need simple system reboot, which I believe is $90 or so at dealership (please, refrain from using derogatory term.) when they re-flash system with proper year software.

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post #13 of 13 Old Yesterday, 10:50 PM
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"P0A80" Replace Hybrid Battery Pack.

INSPECTION PROCEDURE


PROCEDURE

  1. CHECK FOR DTCS (DTC P0A1F-123 IS OUTPUT)
(a) Connect the intelligent tester to the DLC3. (b) Turn the power switch on (IG). (c) Select the following menu items: DIAGNOSIS / OBD/MOBD / HV ECU / DTC INFO / CURRENT CODES. (d) Check if DTCs are output.
Result:
DTC P0A1F-123 is output.
YES -- GO TO INSPECTION PROCEDURE RELEVANT TO OUTPUT DTC
NO -- Continue to next step.
  1. READ VALUE ON INTELLIGENT TESTER
(a) Ensure the safety of the areas in front and at the back of the vehicle. (b) Connect the intelligent tester to the DLC3. (c) Turn the power switch on (READY). (d) Select the following menu items: DIAGNOSIS / OBD/MOBD / HV ECU / DATA LIST / V1 to V17 BATT BLOCK. (e) Fully warm up the engine and turn the air conditioning off. (f) Firmly depress the brake pedal with your left foot. (g) Move the shift lever to the D position. (h) Record each battery block voltage from the data list (V1 to V17 BATT BLOCK) while fully depressing the accelerator pedal. (i) Compare the battery block voltages (V1 to V17 BATT BLOCK) between the even and odd number groups in each combination shown in the table below.

(j)
Check the voltage difference in the all 9 combinations.
OK:
The difference in voltage of all combinations is 0.3 V or more.
YES -- REPLACE BATTERY SMART UNIT
NO -- REPLACE HV BATTERY


This should be done with intelligent scanner. Like techstream.

NEW HYBRID OWNER FAQ ANSWERED HERE:
http://www.toyotanation.com/forum/10...ease-read.html

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