Toyota Yaris: Smart Key System (for Entry Function) / System Diagram
SYSTEM DIAGRAM
SMART KEY SYSTEM (for Entry Function)
SMART KEY SYSTEM (for Start Function)
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POWER DOOR LOCK CONTROL SYSTEM
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WIRELESS DOOR LOCK CONTROL SYSTEM
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CAUTION / NOTICE / HINT HINT:
Replace parts related to the wireless door lock and smart key system according to the inspection procedure.
If the wireless door lock and smart key system does not operate, first check the customize item and make sure that the wireless door lock and smart key system is not turned off...
OPERATION CHECK CHECK CUSTOMIZE PARAMETERS NOTICE: The operation check below is based on the non-customized initial condition of the vehicle. Click here
CHECK THE ENTRY UNLOCK FUNCTION (a) Check the entry unlock function (driver door, front passenger door)...
Other information:
DESCRIPTION If the engine stop and start ECU receives the off signal from the certification ECU (smart key ECU assembly) when communication with the ECM is normal, the engine stop and start ECU will output DTC P253014. DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Memory Note P253014 Ignition Switch Circuit Short to Ground or Open All of the following conditions are met for 10 seconds or more (1 trip detection logic):
Ignition switch off signal is input...
DESCRIPTION Refer to DTC P003012. Click here
HINT: Although the DTC titles say oxygen sensor, this DTC relate to the air fuel ratio sensor (sensor 1). DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note P2A0026 O2 Sensor Circuit Range/Performance Bank 1 Sensor 1 Signal Rate of Change Below Threshold The calculated value for the air fuel ratio sensor (sensor 1) response rate deterioration level is less than the threshold (2 trip detection logic)...
Categories
The fuel gauge shows approximately how much fuel is remaining in
the tank when the ignition is switched ON. We recommend keeping
the tank over 1/4 full.

Full
1/4 Full
Empty
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