Note
If the battery voltage is low, the following functions may not operate. When "Operation of Electrical items Restricted" is displayed on the multi-information display in the combination meter assembly, perform troubleshooting according to the How to Proceed with Troubleshooting procedures for the charging system Click here [2GR-FSE], Click here [4GR-FSE]).
If the battery voltage is low, "Operation Limitation Control History Count (Level 1)" and "Operation Limitation History Count (Level 2)" are both incremented Click here.
PTC Heater (w/ PTC Heater)
Refer to the air conditioning system when the system does not operate Click here.
Climate Control Seat System (w/ Climate Control Seat System)
Refer to the climate control seat system when the system does not operate Click here.
Seat Heater System
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.
| Symptom | Suspected Area | See page |
|---|---|---|
| Driver side seat heater does not operate | Proceed to "Driver Side Seat Heater does not Operate" | |
| Front passenger side seat heater does not operate | Proceed to "Front Passenger Side Seat Heater does not Operate" | |
| Seat heater for rear left seat does not operate*1 | Proceed to "Seat Heater for Rear Left Seat does not Operate" | |
| Seat heater for rear right seat does not operate*1 | Proceed to "Seat Heater for Rear Right Seat does not Operate" | |
| Rear seat heater does not operate through accessory meter assembly*1*2 or multi-display*1*3 | Air conditioning system |
*1: w/ Rear Seat Heater
*2: for 12.3 Inch
*3: for 8 Inch