This DTC is stored if the transponder key ECU assembly does not detect that the unlock warning switch assembly is on even when the ignition switch is ON. Under normal conditions, the unlock warning switch assembly is on when the ignition switch is ON.

Land Cruiser URJ200 URJ202 GRJ200 VDJ200 THEFT DETERRENT / KEYLESS ENTRY

Connect the intelligent tester to the DLC3.

Connect the intelligent tester to the DLC3.

Measure the resistance and voltage, and check for pulses according to the value(s) in the table below.

Land Cruiser URJ200 URJ202 GRJ200 VDJ200 THEFT DETERRENT / KEYLESS ENTRY

If the voltage is below 11 V, recharge or replace the battery before proceeding.

The engine immobiliser system is designed to prevent the vehicle from being stolen. This system uses a transponder key ECU assembly that stores the key codes of authorized ignition keys. If an attempt is made to start the engine using an unauthorized key, the transponder key ECU assembly sends a signal to the ECM to prohibit fuel delivery and ignition, effectively disabling the engine.

Land Cruiser URJ200 URJ202 GRJ200 VDJ200 THEFT DETERRENT / KEYLESS ENTRY

Land Cruiser URJ200 URJ202 GRJ200 VDJ200 THEFT DETERRENT / KEYLESS ENTRY