Lexus ES: 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 |
|
.gif)
| 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. (w/o Navigation System) | B |
| Contract for satellite radio is not valid. (w/ Navigation System) | C |
| Contract for LEXUS ENFORM is not valid. | D |
| B | .gif) | GO TO AUDIO AND VISUAL SYSTEM |
| C | | GO TO NAVIGATION SYSTEM |
| D | | GO TO SAFETY CONNECT SYSTEM |
|
| 3. | CHECK CAN COMMUNICATION SYSTEM* |
(a) Check if CAN communication system DTCs are output.
Click here .gif)
| Result | Proceed to |
|---|---|
| CAN DTCs are not output. | A |
| CAN DTCs are output. | B |
| B | | GO TO CAN COMMUNICATION SYSTEM |
|
| 4. | CHECK DTC* |
(a) Check for DTCs.
Safety connect system: Click here
Telematics system: Click here
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 |
|
| 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 |
|
| 6. | PERFORM TROUBLESHOOTING* |
(a) Refer to Terminals of ECU.
Click here
|
| 7. | REPAIR OR REPLACE |
|
| 8. | CONFIRMATION TEST |
| NEXT | | END |
READ NEXT:
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 compa
Parts Location
PARTS LOCATION ILLUSTRATION *1 ROOF ANTENNA ASSEMBLY - GPS - Telephone Main *2 FRONT NO. 2 SPEAKER ASSEMBLY RH *3 NAVIGATION ANTENNA ASSEMBLY - Telephone Sub *4 DLC3 *5 DCM (
Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE:
After the engine switch is turned off, the radio receiver assembly records various types of memory and settings.
SEE MORE:
Slip Indicator Light Remains ON
DESCRIPTION This procedure is for troubleshooting when the slip indicator light remains on but no DTCs are output. The skid control ECU (brake actuator assembly) controls the slip indicator light in the combination meter assembly via CAN communication. The slip indicator light blinks during VSC and/
Installation
INSTALLATION PROCEDURE 1. INSTALL NO. 3 ANTENNA CORD SUB-ASSEMBLY (w/ Manual (SOS) Switch) (a) Engage the 5 clamps to install the No. 3 antenna cord sub-assembly. (b) Connect the connector. 2. INSTALL NO. 2 ANTENNA CORD SUB-ASSEMBLY HINT: Butyl tape and adhesive tape are not available as supply part
