HYBRID CONTROL SYSTEM PROBLEM SYMPTOMS TABLE

Tech Tips

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Hybrid Vehicle Control System
Symptom	Suspected Area	See page
S mode cannot be selected	Transmission control switch circuit	Click here
Cannot select between different ranges (in S mode)	Transmission control switch circuit	Click here
Cannot enter EV mode	CAN communication system	Click here
	Combination meter system	Click here
	EV drive mode switch (pattern select switch assembly)	Click here
	Pattern select switch EV mode circuit	Click here
EV mode indicator light does not illuminate	CAN communication system	Click here
	Combination meter system	Click here
	EV drive mode switch (pattern select switch assembly)	Click here
	Pattern select switch EV mode circuit	Click here
EV mode indicator light does not turn off	CAN communication system	Click here
	Combination meter system	Click here
	EV drive mode switch (pattern select switch assembly)	Click here
	Pattern select switch EV mode circuit	Click here
Cannot enter Hybrid SNOW mode	CAN communication system	Click here
	Combination meter system	Click here
	Steering pad switch assembly	Click here
Hybrid SNOW indicator light does not illuminate	Combination meter system	Click here
Hybrid SNOW indicator light does not illuminate	Steering pad switch assembly	Click here
Hybrid SNOW mode indicator light does not turn off	Combination meter system	Click here
Hybrid SNOW mode indicator light does not turn off	Steering pad switch assembly	Click here
Cannot enter ECO mode	CAN communication system	Click here
	Combination meter system	Click here
	Steering pad switch assembly	Click here
ECO mode indicator light does not illuminate	Combination meter system	Click here
ECO mode indicator light does not illuminate	Steering pad switch assembly	Click here
ECO mode indicator light does not turn off	Combination meter system	Click here
ECO mode indicator light does not turn off	Steering pad switch assembly	Click here
Cannot enter SPORT mode	CAN communication system	Click here
	Combination meter system	Click here
	Steering pad switch assembly	Click here
SPORT mode indicator light does not illuminate	Combination meter system	Click here
SPORT mode indicator light does not illuminate	Steering pad switch assembly	Click here
SPORT mode indicator light does not turn off	Combination meter system	Click here
SPORT mode indicator light does not turn off	Steering pad switch assembly	Click here