Toyota Yaris: Seat Heater System / Terminals Of Ecu
TERMINALS OF ECU
CHECK POWER DISTRIBUTION BOX ASSEMBLY
(a) Remove the power distribution box assembly.
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(b) Reconnect the power distribution box assembly connectors.
(c) Measure the voltage and resistance according to the value(s) in the table below.
Standard:
Terminal No. (Symbol) | Terminal Description | Condition | Specified Condition |
4G-1 - Body ground | Power source | Ignition switch off | 11 to 14 V |
4C-25 - Body ground | Ground | Always | Below 1 Ω |
4C-39 - Body ground | Power source output (seat heater LH) | Ignition switch off | Below 1 Ω |
Ignition switch ON | 11 to 14 V |
4C-40 - Body ground | Power source output (seat heater RH) | Ignition switch off | Below 1 Ω |
Ignition switch ON | 11 to 14 V |
PROBLEM SYMPTOMS TABLE HINT:
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...
Other information:
REMOVAL CAUTION / NOTICE / HINT HINT: When the cable is disconnected / reconnected to the auxiliary battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.
Learning completes when vehicle is driven Effect/Inoperative Function When Necessary Procedures are not Performed Necessary Procedures Link Lane tracing assist system Drive the vehicle straight ahead at 35 km/h (22 mph) or more for 5 second or more...
Set the mode selector dial to the
position.
Set the air intake selector to the outside air position.
Set the temperature control dial to the hot position.
Set the fan control dial to the desired speed.
If dehumidified heating is desired, turn on the air conditioner...
Categories

Smart key
Auxiliary key
Key code number plate
To use the auxiliary key, press the knob and pull out the auxiliary key
from the smart key.

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