HYBRID CONTROL SYSTEM PROBLEM SYMPTOMS TABLE

Hybrid Control System
Symptom	Suspected Area	Link
Drive mode cannot be changed between HV mode and EV mode	CAN communication system	Click here
	Pattern select switch EV/HV mode circuit	Click here
	HV/EV mode switch (Pattern select switch assembly)	Click here
	Combination meter assembly	Click here
EV mode indicator light does not illuminate	Combination meter assembly	Click here
	HV/EV mode switch (Pattern select switch assembly)	Click here
	Pattern select switch EV/HV mode circuit	Click here
EV mode indicator light does not turn off	Combination meter assembly	Click here
	HV/EV mode switch (Pattern select switch assembly)	Click here
	Pattern select switch EV/HV mode circuit	Click here
Cannot enter EV CITY mode	CAN communication system	Click here
	Pattern select switch EV city mode circuit	Click here
	EV city switch (Pattern select switch assembly)	Click here
	Combination meter assembly	Click here
EV CITY mode indicator light does not illuminate	Combination meter assembly	Click here
	EV city switch (Pattern select switch assembly)	Click here
	Pattern select switch EV city mode circuit	Click here
EV CITY mode indicator light does not turn off	Combination meter assembly	Click here
	EV city switch (Pattern select switch assembly)	Click here
	Pattern select switch EV city mode circuit	Click here
Cannot enter EV AUTO mode	CAN communication system	Click here
	Pattern select switch EV auto mode circuit	Click here
	EV auto switch (Pattern select switch assembly)	Click here
	Combination meter assembly	Click here
EV AUTO mode indicator light does not illuminate	Combination meter assembly	Click here
	EV auto switch (Pattern select switch assembly)	Click here
	Pattern select switch EV auto mode circuit	Click here
EV AUTO mode indicator light does not turn off	Combination meter assembly	Click here
	EV auto switch (Pattern select switch assembly)	Click here
	Pattern select switch EV auto mode circuit	Click here
Cannot enter battery charge mode	CAN communication system	Click here
	Pattern select switch EV/HV mode circuit	Click here
	HV/EV mode switch (Pattern select switch assembly)	Click here
	Combination meter assembly	Click here
Battery charge mode indicator light does not illuminate	Combination meter assembly	Click here
	HV/EV mode switch (Pattern select switch assembly)	Click here
	Pattern select switch EV/HV mode circuit	Click here
Battery charge mode indicator light does not turn off	Combination meter assembly	Click here
	HV/EV mode switch (Pattern select switch assembly)	Click here
	Pattern select switch EV/HV mode circuit	Click here
Cannot enter POWER/ECO mode	CAN communication system	Click here
	Drive mode select switch (Pattern select switch assembly)	Click here
	Drive Mode Select Switch Circuit	Click here
	Combination meter assembly	Click here
POWER/ECO mode indicator light does not illuminate	Drive mode select switch (Pattern select switch assembly)	Click here
	Drive Mode Select Switch Circuit	Click here
	Combination meter assembly	Click here
POWER/ECO mode indicator light does not turn off	Drive mode select switch (Pattern select switch assembly)	Click here
	Drive Mode Select Switch Circuit	Click here
	Combination meter assembly	Click here
Hunting (Poor idle)	Check for Diagnosis Related Information*1	Click here Click here
Hunting (Poor idle)	Drive Start Control System	Click here
Hesitation and/or poor acceleration	Check for Diagnosis Related Information*1	Click here Click here
	Brake override system	Click here
	Drive Start Control System	Click here
Power switch does not turn on (READY).	Smart entry and start system (for start function)	Click here
	ECU power source circuit (Hybrid control system)	Click here
	Hybrid vehicle control ECU	Click here
	ECM	Click here Click here
Loud rattle from hybrid vehicle transaxle	Check idle learning	Click here Click here
	Transmission input damper assembly	Click here
	Hybrid vehicle transaxle assembly	Click here
	Engine misfire	-

*1: If any of the following Diagnosis Related Information items are output, perform troubleshooting for the corresponding DTCs.

Result
Result		Link
Hybrid control system	P312387	Click here
Motor generator control system	P31241F	Click here
Motor generator control system	P312487	Click here