DTC P2530-12: IG2 Signal Circuit Short to Auxiliary Battery [04/2018 - 08/2020]: Description
WARNING: This page is about a different car, the 2020 Toyota Avalon and 2019 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
The hybrid vehicle control ECU compares the IG2 signal to the IG control status signal sent from the certification ECU (smart key ECU assembly) to detect a stuck on malfunction of the IG2 signal.
HINT:
If DTC P2530-12 is stored, the power switch will turn off (READY off).
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate |
|---|---|---|---|---|---|
| P2530-12 | IG2 Signal Circuit Short to Auxiliary Battery | The IG2 signal of the hybrid vehicle control ECU and the IG control status signal sent from the certification ECU (smart key ECU assembly) do not match. (1 trip detection logic) |
|
Does not come on | Master Warning Light: Comes on |