Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Utility

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual / Audio & Visual & Telematics / Telematics / Telematics System / Utility

UTILITY

CANCEL COMMUNICATION FUNCTION PAUSING

HINT:

This function is used to cancel communication function pausing mode.

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Telematics / Utility / Cancel Communication Function Pausing.

Body Electrical > Telematics > Utility

Tester Display

Cancel Communication Function Pausing

ALL READINESS

HINT:

  • With "All Readiness", you can check whether or not the DTC judgment has been completed by using the Techstream.
  • You should check "All Readiness" after simulating malfunction symptoms or for validation after finishing repairs.

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the Techstream on.

(d) Clear the DTCs even if no DTCs are stored.

(e) Turn the engine switch off and wait for 2 minutes or more.

(f) Turn the engine switch on (IG).

(g) Perform the DTC judgment driving pattern to run the DTC judgment.

(h) Enter the following menus: Powertrain / Telematics / Utility / All Readiness.

Body Electrical > Telematics > Utility

Tester Display

All Readiness

(i) Input the DTC to be confirmed.

(j) Check the DTC judgment result.

Techstream Display

Description
If the judgment result shows Incomplete or N/A, perform the DTC confirmation driving pattern again.

Normal
  • DTC judgment completed
  • System normal

Abnormal
  • DTC judgment completed
  • System abnormal

Incomplete
  • DTC judgment not completed
  • Perform the driving pattern

N/A
  • Unable to perform DTC judgment
  • Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit
  • Perform the driving pattern

(k) Turn the engine switch off.

    Operation Check
    OPERATION CHECK DCM OPERATION HISTORY HINT: This function shows the telematics network status when the DCM (telematics transceiver) was operated. Use this when no DTC is present but this telematics ...

    Problem Symptoms Table
    PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of ...

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