Toyota Yaris: Seat Heater System / Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
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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.
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Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Seat Heater System
| Symptom | Suspected Area | Link |
| Seat heater for front left seat does not operate | Seat heater switch LH |
|
| Terminals of ECU |
|
| Wire harness or connector | - |
| Front seat cushion heater assembly LH |
|
| Front seatback heater assembly LH |
|
| Power distribution box assembly |
|
| Seat heater for front right seat does not operate | Seat heater switch RH |
|
| Terminals of ECU |
|
| Wire harness or connector | - |
| Front seat cushion heater assembly RH |
|
| Front seatback heater assembly RH |
|
| Power distribution box assembly |
|
OPERATION CHECK CHECK FRONT SEAT HEATER (a) for LH Side: (1) Turn the ignition switch to ON. (2) Set the seat heater switch LH to "HI" or "LO" and check that the seat heater operates...
TERMINALS OF ECU CHECK POWER DISTRIBUTION BOX ASSEMBLY
(a) Remove the power distribution box assembly. Click here
(b) Reconnect the power distribution box assembly connectors...
Other information:
DESCRIPTION
This procedure is for when the stop and start system does not operate.
Regarding explanations of the features of stop and start system control:
Click here
PROCEDURE 1. STOP AND START SYSTEM OPERATION CHECK (a) Check if the stop and start system operates...
PROBLEM SYMPTOMS TABLE NOTICE: When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored...
Categories
The front seat belt pretensioners are designed to deploy in moderate or
severe frontal, near frontal collisions.
In addition, the pretensioners operate when a side collision or a rollover
accident is detected. The pretensioners operate differently
depending on what types of air bags are equipped. For more details
about the seat belt pretensioner operation, refer to the SRS Air Bag
Deployment Criteria.
read more