Toyota Corolla Cross: 4wd Control Ecu

 Indicator Circuit

DESCRIPTION In accordance with the shift lever position, each shift position indicator light will turn on. WIRING DIAGRAM PROCEDURE 1. CHECK SHIFT POSITION INDICATOR (a) Turn the ignition switch to ACC. (b) Check that each shift position indicator light turns on correctly.

 Power Source Mode does not Change to ON (ACC)

DESCRIPTION If the engine switch is pressed with the electrical key transmitter sub-assembly in the cabin, the certification ECU (smart key ECU assembly) receives a signal and changes the power source mode. Related Data List and Active Test Items Problem Symptom Data List and Active Test