Toyota Corolla Cross: Smart Key System (for Entry Function, Hev Model)
Toyota Corolla Cross (2022-2025) Service Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / Smart Key System (for Entry Function, Hev Model)
- Precaution
- Parts Location
- System Diagram
- How To Proceed With Troubleshooting
- Operation Check
- Customize Parameters
- Problem Symptoms Table
- Terminals Of Ecu
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Driver Side Electrical Antenna Circuit Open (B27A113)
- Front Passenger Side Electrical Antenna Circuit Open (B27A213)
- Outside Luggage Compartment (Back Door) Electrical key Antenna Circuit Open (B27A813)
- Lost Communication With ECM/PCM "A" Missing Message (U010087,U012987,U014087,U015587,U029387,U111787)
- All Door Entry Lock/Unlock Functions and Wireless Functions do not Operate
- All Door Entry Lock/Unlock Functions do not Operate, but Wireless Functions Operate
- Driver Side Door Entry Unlock Function does not Operate
- Front Passenger Side Door Entry Unlock Function does not Operate
- Driver Side Door Entry Lock and Unlock Functions do not Operate
- Front Passenger Side Door Entry Lock and Unlock Functions do not Operate
- Driver Side Door Entry Lock Function does not Operate
- Front Passenger Side Door Entry Lock Function does not Operate
- Entry Interior Alarm does not Sound
- Back Door Entry Unlock Function does not Operate
- Back Door Entry Lock and Unlock Functions do not Operate
- Back Door Entry Lock Function does not Operate
- Touching Unlock Sensor for Certain Period of Time does not Unlock All Doors
- Lock Function (Entry Lock Function does not Operate Using Close &)
- Entry Exterior Alarm and Answer-back Buzzer do not Sound
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Precaution
PRECAUTION CAUTION REGARDING INTERFERENCE WITH ELECTRONIC DEVICES
CAUTION: As weak radio waves are emitted from the electrical key transmitter sub-assembly, if a pacemaker is being used, be sure to
Parts Location
PARTS LOCATION ILLUSTRATION
*A w/ Power Back Door System
- -
*1 FRONT DOOR LOCK WITH MOTOR ASSEMBLY LH
*2 FRONT DOOR LOCK WITH MOTOR ASSEMBLY RH
*3 REAR
System Diagram
SYSTEM DIAGRAM SMART KEY SYSTEM (for Entry Function)
SMART KEY SYSTEM (for Start Function)
Click here POWER DOOR LOCK CONTROL SYSTEM
Click here WIRELESS DOOR LOCK CONTROL SYSTEM
Click
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How To Proceed With Troubleshooting
PROCEDURE
1. VEHICLE BROUGHT TO WORKSHOP
NEXT
2. CUSTOMER PROBLEM ANALYSIS
HINT: If the malfunction is not reproduced, perform a simulation test.
Click here
For the simulation test, reproduce the driving conditions that wer
Check Bus 2 Line
DESCRIPTION
Symptom
Trouble Area
There are ECUs or sensors that display a communication stop on the bus
diagnostic screen. Or, there are ECUs or sensors that display communication
stop history on the "Detail" screen.
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