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:
INSPECTION PROCEDURE 1. INSPECT NO. 1 COOLER THERMISTOR (a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below.
*a Component without harness connected (No. 1 Cooler Thermistor) *b Sensing Portion *c Resistance (kΩ) *d Temperature (°C (°F)) *e Allowable Range - - Standard Resistance: Tester Connection Condition Specified Condition h5-1 - h5-2 -10°C (14°F) 7...
DISASSEMBLY PROCEDURE 1. REMOVE CYLINDER BOOT (a) Using a screwdriver with its tip wrapped with protective tape, remove the 4 cylinder boots from the front disc brake cylinder. NOTICE:
Do not forcefully pry off the retainer.
Be careful not to damage the front disc brake cylinder...
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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