Checking for problem on 5 volt reference line. Does anyone know which sensors are connected on 2013 ls 1.8ltr
No ac, 17 code errors and engine spits and sputters
The other day the ac on my 2013 chevy cruze 1.8ltr quit working. The compressor won't run and cooling fan won't come on. Checked fuses and took it to O'reilly's to check codes. Because no check engine light no codes detected. Well today the check engine light came on. Car will sputter, spit and not start. Keep trying and it might start and seem to run good. Took it back to O'reilly's. To check codes and 17 codes came up, from air intake sensors to fuel sensors. They say low voltage detected, and level 2, fix immediately. Wondering, could the alternator be causing problems? HELP.
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Do the hard reset, disconnect the battery terminals, remove the ECU and clean the terminals. reinstall it, reconnect the battery, start after 2 mins and observe. or consider to check/replace the battery.
The problem was on the 5 volt reference. There are several sensors on this reference line and any one of the sensors will cause many problems. The prob was the ac pressure sensor. Ac works, runs great. This is a common problem and you need to check all sensors to find the bad one.
did you check the evaporator sensor in the air cabin box? that command the ecu to trigger on and off the compressor relay.
No sir, but when I took off the connector to the ac pressure sensor, it was all corroded. This didn't allow for the full 5 volts to pass. This was causing the low voltage code error. Tried to look at the schematics you sent but they wouldn't open.
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