IMMOBILIZER (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC B1574 KEY COMMUNICATION
DTC DETECTING CONDITION:
Communication failure between key and body integrated unit
CAUTION:
When the body integrated unit is replaced, registration of the immobilizer system is required. For details, refer to the “REGISTRATION MANUAL FOR IMMOBILIZER” provided as a separate volume.
STEP | CHECK | YES | NO |
1.CHECK IGNITION KEY.
1) Remove the ignition key from the ignition switch.
2) Insert the ignition key into the ignition switch, and then turn the ignition switch to ON.
3) Perform the Clear Memory Mode. Clear Memory Mode">
4) Read the DTC of the body integrated unit. Read Diagnostic Trouble Code (DTC)">
Is DTC B1410 detected?
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B1574 KEY COMMUNICATION">Go to Step 2.
Even if DTC is detected, the circuit has returned to a normal condition at this time. Reproduce the failure, and then perform the diagnosis again.
NOTE:
In this case, temporary poor contact of connector, temporary open or short circuit of harness may be the cause.
2.CHECK IGNITION KEY.
1) Prepare a spare ignition key that is already registered.
2) Insert the ignition key into the ignition switch, and then turn the ignition switch to ON.
3) Perform the Clear Memory Mode. Clear Memory Mode">
4) Read the DTC of the body integrated unit. Read Diagnostic Trouble Code (DTC)">
Is DTC B1410 detected?
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B1574 KEY COMMUNICATION">Go to Step 3.
Ignition key unit was defective.
3.CHECK IMMOBILIZER ANTENNA.
1) Replace the immobilizer antenna. Immobilizer Antenna">
2) Insert the ignition key into the ignition switch, and then turn the ignition switch to ON.
3) Perform the Clear Memory Mode. Clear Memory Mode">
4) Read the DTC of the body integrated unit. Read Diagnostic Trouble Code (DTC)">
Is DTC B1410 detected?
Replace the body integrated unit. Body Integrated Unit">
Immobilizer antenna was defective.
Removal
FUEL INJECTION (FUEL SYSTEMS)(H4DO) > Intake ManifoldREMOVAL1. Release the fuel pressure. Fuel > PROCEDURE">2. Disconnect the ground cable from battery.3. Open the fuel filler lid and remove the fuel filler cap.NOTE:This operation is required to release the inner pressure of the fuel ...
Dtc u0155 lost communication with instrument panel cluster (ipc) control module
KEYLESS ACCESS WITH PUSH BUTTON START SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0155 LOST COMMUNICATION WITH INSTRUMENT PANEL CLUSTER (IPC) CONTROL MODULEDetected when CAN data from meter does not arrive.NOTE:Perform the diagnosis for LAN system. Basic Di ...
Initialization of power window
If the vehicle's battery is disconnected due
to situations such as battery or fuse
replacement, the following functions are
deactivated.
One-touch auto up/down function
Anti-entrapment function
Initialize the power window using the
following procedure to reactivate these
functions.
...