Power Source Mode does not Change to ON (READY) [09/2013 - ]: Description
- POWER SWITCH ON (READY) OPERATION
- When the power switch is pressed with the brake pedal depressed and shift lever in P, the main body ECU determines that it is a hybrid control system start request.
- The certification ECU and other ECUs perform key verification via the LIN communication line. The power switch indicator light illuminates in green.
- The main body ECU activates the D-IG1-1 relay, D-ACC relay and ignition relay No. 2 (IG2).
- The certification ECU outputs a steering UNLOCK signal. The signal is sent to the steering lock ECU via the LIN communication line.
- The main body ECU sends a power switch ON (READY) request signal to the hybrid vehicle control ECU.
- The main body ECU deactivates the D-ACC relay until the ECU detects that the power switch is ON (READY).
- The ECU reactivates the D-ACC relay and turns OFF the power switch indicator light.
Symbols of main body ECU Signals SSW1/SSW2 Power switch ON (ACC, IG) signal IG1D D-IG1-1 relay operation signal ACCD D-ACC relay operation signal IG2D Ignition relay No. 2 (IG2) operation signal STP Stop light switch signal P Shift lock signal RDY Power switch ON (READY) signal STSW Hybrid control system activation request signal