Lexus ES: Confirm Vehicle Headunit Functionality
PROCEDURE
| 1. | CHECK CUSTOMER'S CELLULAR PHONE COMPATIBILITY |
(a) Check if the cellular phone is compatible (Refer to http://www.lexus.com/MobileLink/).
| Result | Proceed to |
|---|---|
| Cellular phone is compatible. | A |
| Cellular phone is not compatible. | B |
HINT:
It is important to check the cellular phone compatibility charts carefully:
- Some apps may only work on cellular phones.
- Some apps may only work when paired to a vehicle.
- Some cellular phones do not support all features.
| B | .gif) | RECOMMEND COMPATIBLE CELLULAR PHONE |
|
.gif)
| 2. | CONFIRM CELLULAR PHONE SIGNAL |
(a) A 3G or higher connection is required for proper LEXUS App Suite functionality. If a 3G or higher connection is not available, some applications may not function properly. ("Wi-Fi" is not an approved connection for Enform services.)
|
| 3. | CONFIRM IF THE CUSTOMER'S CELLULAR PHONE CAN BE PAIRED TO THE VEHICLE |
(a) Pair the customer's cellular phone to the vehicle.
| Result | Proceed to |
|---|---|
| Cellular phone is not successfully paired. | A |
| Cellular phone is successfully paired. | B |
| B | | GO TO STEP 5 |
|
| 4. | CONFIRM THAT A KNOWN GOOD CELLULAR PHONE CAN BE PAIRED TO THE VEHICLE |
(a) Check that a known good cellular phone can be paired to the customer's vehicle.
| Result | Proceed to |
|---|---|
| Cellular phone is successfully paired. | A |
| Cellular phone is not successfully paired. | B |
HINT:
For instructions on how to reset the cellular phone, refer to the appropriate manufacturer's website.
| A | | RESET CUSTOMER'S CELLULAR PHONE (REMOVE BATTERY) AND TRY AGAIN |
| B | | GO TO STEP 12 |
| 5. | CHECK APPS FUNCTION WHEN PAIRED |
(a) Proceed to the appropriate step based on the customer concern in the table below.
| Result | Proceed to |
|---|---|
| Head unit data apps (e.g. internet search) do not function properly. | A |
| Head unit internet radio apps do not function properly. | B |
HINT:
This is a head unit functionality check. Ensure that a cellular phone is paired to the vehicle.
| B | | GO TO STEP 9 |
|
| 6. | CHECK DATA APPS FUNCTION ON THE HEAD UNIT |
(a) Make sure that the customer's cellular phone is paired with the vehicle.
(b) Start an internet search app on the head unit.
(c) Check if a search can be made.
| Result | Proceed to |
|---|---|
| Head unit data apps do not function properly. | A |
| Head unit data apps function properly. | B |
| B | | END (NO PROBLEM WAS FOUND) |
|
| 7. | RECORD ERROR MESSAGES IF PRESENT |
|
| 8. | CHECK ENFORM SEARCH FUNCTION ON THE HEAD UNIT USING A KNOWN GOOD CELLULAR PHONE |
(a) Make sure that a known good cellular phone is paired with the vehicle.
(b) Start an internet search app on the head unit.
(c) Check if a search can be made.
| Result | Proceed to |
|---|---|
| Head unit data apps function properly. | A |
| Head unit data apps do not function properly. | B |
HINT:
For instructions on how to reset the cellular phone, refer to the appropriate manufacturer's website.
| A | | RESET CUSTOMER'S CELLULAR PHONE (REMOVE BATTERY) AND TRY AGAIN |
| B | | GO TO STEP 12 |
| 9. | CHECK INTERNET RADIO FUNCTION ON THE HEAD UNIT USING THE CUSTOMER'S CELLULAR PHONE |
(a) Make sure that the customer's cellular phone is paired with the vehicle.
(b) Start an internet radio app on the head unit.
(c) Check that the audio can be heard through the vehicle's speakers.
| Result | Proceed to |
|---|---|
| Head unit internet radio apps do not function properly. | A |
| Head unit internet radio apps function properly. | B |
| B | | END (NO PROBLEM WAS FOUND) |
|
| 10. | RECORD ERROR MESSAGES IF PRESENT |
|
| 11. | CHECK INTERNET RADIO FUNCTION ON THE HEAD UNIT USING A KNOWN GOOD CELLULAR PHONE |
(a) Make sure that a known good cellular phone is paired with the vehicle.
(b) Start an internet radio app on the head unit.
(c) Check that the audio can be heard through the speakers.
| Result | Proceed to |
|---|---|
| Head unit internet radio apps do not function properly using a known good cellular phone. | A |
| Head unit internet radio apps function properly using known good cellular phone. | B |
HINT:
For instructions on how to reset the cellular phone, refer to the appropriate manufacturer's website.
| B | | RESET CUSTOMER'S CELLULAR PHONE (REMOVE BATTERY) AND TRY AGAIN |
|
| 12. | PERFORM LEXUS APP SUITE RESET PROCEDURE |
(a) Perform the LEXUS App Suite reset procedure.
Click here .gif)
| Result | Proceed to |
|---|---|
| The problem symptom has been repaired. | A |
| The problem symptom has not been repaired. | B |
| A | | END |
| B | | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
READ NEXT:
DCM Data Signal Circuit between Navigation ECU and DCM
DESCRIPTION This circuit is used to send and receive signals between the DCM (Telematics Transceiver), radio receiver assembly and navigation ECU. WIRING DIAGRAM PROCEDURE 1. CHECK HARNESS AND
Does not Recognize Voice Commands Performed to Contact Support Center
PROCEDURE 1. CHECK COMMUNICATION BASED VOICE RECOGNITION FUNCTION (a) While paying attention to the condition of the spoken voice command, say "Find a gas station in New York" and check that
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
SEE MORE:
Internal Control Module Software Incompatibility Invalid / Incompatible Software Component (U030057)
DESCRIPTION Forward recognition camera receives the vehicle information from the ECM via CAN communication. DTC U030057 is stored when the vehicle information from the ECM and that stored in the forward recognition camera do not match. DTC No. Detection Item DTC Detection Condition Trouble
Motor Resolver Circuit
DESCRIPTION The cause of this malfunction may be the motor resolver. Check the motor resolver internal resistance and the connection condition from the inverter to the resolver. Related Parts Check Area Inspection Wire harness and connector between the inverter and motor resolver Check fo
