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:
REPAIR PROCEDURE 1. REPAIR INTAKE VALVE SEAT NOTICE:
While repairing the intake valve seat, make sure to constantly check the valve seat width and valve seating position.
Release the cutter gradually to make the intake valve seat smooth.
(a) Using a 45° cutter, resurface the intake valve seat so that the intake valve seat width is more than the standard...
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during the central gateway ECU (network gateway ECU) removal/installation are shown below...
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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