Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

  • Use the following procedure to troubleshoot the LEXUS ENFORM system.
  • *: Use the Techstream.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

2.

CHECK THE CUSTOMER'S CONTRACT STATUS

(a) Check if the satellite radio and LEXUS ENFORM contracts are valid, or if the contract period has ended using the vehicle inquiry function on TIS.

Result

Proceed to

Both Contracts are valid.

A

Contract for satellite radio is not valid.

B

Contract for LEXUS ENFORM is not valid.

C

B

GO TO NAVIGATION SYSTEM

C

GO TO SAFETY CONNECT SYSTEM

A

3.

CHECK CAN COMMUNICATION SYSTEM*

(a) Check if CAN communication system DTCs are output.

Click here

Result

Proceed to

CAN DTCs are not output.

A

CAN DTCs are output.

B

B

GO TO CAN COMMUNICATION SYSTEM

A

4.

CHECK DTC*

(a) Check for DTCs.

Safety connect system: Click here

Telematics system: Click here

Result

Proceed to

DTCs are not output.

A

Safety connect system DTCs are output.

B

Telematics system DTCs are output.

C

B

GO TO SAFETY CONNECT SYSTEM

C

GO TO TELEMATICS SYSTEM

A

5.

PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table.

Click here

Result

Proceed to

Fault is not listed in Problem Symptoms Table.

A

Fault is listed in Problem Symptoms Table.

B

HINT:

If the symptom does not recur and no DTCs are output, perform the simulation method.

Click here

B

GO TO STEP 7

A

6.

PERFORM TROUBLESHOOTING*

(a) Refer to Terminals of ECU.

Click here

NEXT

7.

REPAIR OR REPLACE

NEXT

8.

CONFIRMATION TEST

NEXT

END

    System Description
    SYSTEM DESCRIPTION DESCRIPTION LEXUS ENFORM allows the vehicle to receive information from the call center and links the information to the navigation system. LEXUS ENFORM permits the driver to use ...

    Operation Check
    OPERATION CHECK LEXUS APP SUITE RESET PROCEDURE (a) Duplicate the problem symptom. (b) Check for DTCs and repair the systems for which any DTCs are output. Click here (c) Check cellular phone compat ...

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    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

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