Toyota Yaris: Lin Communication System / Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
The main body ECU (multiplex network body ECU) and certification ECU (smart key ECU assembly) control the LIN communication system. LIN communication system data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3).
When the system seems to be malfunctioning, use the GTS to check for malfunctions and perform repairs.
CHECK DLC3
(a) Check the DLC3.
Click here
INSPECT AUXILIARY BATTERY VOLTAGE
(a) Measure the auxiliary battery voltage with the ignition switch off.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the auxiliary battery.
TERMINALS OF ECU CHECK POWER DISTRIBUTION BOX ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
*1 POWER DISTRIBUTION BOX ASSEMBLY *2 MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (a) Remove main body ECU (multiplex network body ECU)...
DTC CHECK / CLEAR CHECK DTC (a) Check for DTCs. Body Electrical > Main Body > Trouble Codes Body Electrical > Smart Key > Trouble Codes Body Electrical > Power Source Control > Trouble Codes (b) Check the details of the DTCs...
Other information:
REMOVAL PROCEDURE 1. SEPARATE ENGINE WIRE (a) Remove the bolt and engine wire.
2. REMOVE IGNITION COIL ASSEMBLY (a) Disconnect the ignition coil assembly connector.
(b) Remove the bolt and ignition coil assembly. 3. REMOVE CAMSHAFT POSITION SENSOR (for Intake Side) (a) Disconnect the camshaft position sensor connector...
DESCRIPTION The outer mirror switch assembly sends a mirror auto retract/return signal to the main body ECU (multiplex network body ECU) when the retractable outer mirror switch on the outer mirror switch assembly is in the AUTO position. The main body ECU (multiplex network body ECU) retracts or returns the outer rear view mirror assemblies based on the lock/unlock signal of each door while the ignition switch is off...
Categories
WARNING
When removing the fuel-filler cap, loosen the cap slightly and wait
for
any hissing to stop, then remove it
Fuel spray is dangerous. Fuel can burn skin and eyes and cause illness
if
ingested. Fuel spray is released when there is pressure in the fuel tank and
the fuel-filler cap is removed too quickly.
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