Engine Immobilizer System

THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM: PRECAUTION

1. PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

NOTICE:
When disconnecting the cable from the negative (-) auxiliary battery terminal, initialize the following system after the cable is reconnected.





2. PRECAUTIONS WHEN USING TECHSTREAM

(a) When using the Techstream with the power switch off to troubleshoot: Connect the Techstream to the DLC3, and turn a courtesy light switch on and off at 1.5 second or less intervals until communication between the Techstream and vehicle begins.

(b) After all DTCs are cleared, check if the trouble occurs again 6 seconds after turning the power switch on (IG).

3. PRECAUTION FOR REGISTRATION

(a) If replacing any of the following parts, refer to the registration procedures Engine Immobilizer System.

NOTICE:
Any keys or ECUs for which registration has been performed cannot be reused.

(1) Certification ECU (smart key ECU assembly)

(2) Steering lock ECU (steering lock actuator assembly)

(3) Electrical key transmitter sub-assembly

(b) After replacing the steering lock ECU (steering lock actuator assembly), confirm the lock/unlock operation of the steering lock.





4. PRECAUTIONS FOR AUXILIARY BATTERY

(a) Immediately after disconnecting and reconnecting the auxiliary battery cable, the entry unlock function may not operate. If this occurs, the entry unlock function can be restored by performing a wireless door lock and unlock operation.

(b) When the auxiliary battery is discharged, if the auxiliary battery of another vehicle is used to jump start the hybrid control system, move the shift lever to P and open and close the driver door with the power switch off before starting the hybrid control system.

(c) After the auxiliary battery is removed and reinstalled, be sure to wait 10 seconds or more before the next hybrid control system start. The hybrid control system may not start immediately after the auxiliary battery is reinstalled.

HINT
* After disconnecting and reconnecting the auxiliary battery cable, the hybrid control system may not start on the first attempt. If this occurs, turn the power switch off. The hybrid control system will start normally from the second time onward.
* When the auxiliary battery cable is disconnected and reconnected, the power source mode returns to the mode it was in before the auxiliary battery cable was disconnected.