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:
The curtain air bags are mounted in the front and rear window pillars, and
the roof edge along both sides.
When the air bag crash sensors detect a side impact of greater
than moderate force, the curtain air bag inflates quickly and helps to
reduce injury mainly to the rear outboard passenger’s head caused
by directly hitting interior parts such as a door or window...
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT STOP LIGHT SWITCH ASSEMBLY (a) Disconnect the stop light switch assembly connector. (b) Measure the voltage and resistance on the wire harness side connector according to the value(s) in the table below. Standard Voltage: Tester Connection Condition Specified Condition A63-7 (B) - A63-2 (GND) Always 11 to 14 V A63-6 (B) - A63-2 (GND) Ignition switch on (IG) 11 to 14 V Standard Resistance: Tester Connection Condition Specified Condition A63-2 (GND) - Body ground Always Below 1 Ω If the result is not as specified, repair or replace the wire harness or connector...
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