Hybrid System Indicator Malfunction: Wiring Diagram

for ECON Indicator Light:

Fig 1: Identifying Hybrid Vehicle Control ECU Wiring Diagram
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
for EV Drive Indicator Light and Variable economy zone display:

Fig 2: Identifying Hybrid Vehicle Control ECU Wiring Diagram
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002