Lexus NX: Entry Interior Alarm does not Sound
Lexus NX Service Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / Smart Access System With Push-button Start (for Entry Function) / Entry Interior Alarm does not Sound
DESCRIPTION
The smart access system with push-button start (for Entry Function) uses the buzzer in the combination meter assembly (meter ECU) to perform various vehicle interior warnings. When the conditions of each warning are met, the certification ECU (smart key ECU assembly) sends a buzzer activation request signal to the combination meter assembly via CAN communication and the buzzer sounds.
CAUTION / NOTICE / HINT
NOTICE:
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The smart access system with push-button start (for Entry Function) uses the LIN communication system and CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the smart access system with push-button start (for Entry Function) after confirming that the communication systems are functioning properly.
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- When using the Techstream with the power switch off, connect the Techstream to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the Techstream and the vehicle begins. Then select the vehicle type under manual mode and enter the following menus: Body Electrical / Smart Access. While using the Techstream, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the Techstream and the vehicle.
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After repair, confirm that no DTCs are output by performing "DTC Output Confirmation Operation".
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PROCEDURE
| 1. | CHECK ENTRY LOCK OPERATION |
(a) Check that the entry lock and unlock functions operate.
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| Result | Proceed to |
|---|---|
| Entry function operates normally | A |
| Entry function does not operate normally | B |
| A | .gif) | GO TO METER / GAUGE SYSTEM |
| B | | GO TO OTHER PROBLEM |
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System Description
SYSTEM DESCRIPTION OUTLINE OF COMBINATION METER ASSEMBLY *a Indication Example *b Hybrid System Indicator or Tachometer *c Speedometer *d
Power Condition
ODO/TRIP Meter
*e Engine Coolant Temperature Receiver Gauge *f Fuel Receiver Gauge *g Multi-informatio
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