CAUTION / NOTICE / HINT
HINT:
PROCEDURE
| 1. | VEHICLE BROUGHT TO WORKSHOP | 
| 
 | 
| 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 | .gif)  | GO TO NAVIGATION SYSTEM | 
| C | .gif)  | 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 | .gif)  | GO TO CAN COMMUNICATION SYSTEM | 
| 
 | 
| 4. | CHECK DTC* | 
(a) Check for DTCs.
Safety connect system: Click here .gif) 
 
Telematics system: Click here .gif) 
 
| Result | Proceed to | 
|---|---|
| DTCs are not output. | A | 
| Safety connect system DTCs are output. | B | 
| Telematics system DTCs are output. | C | 
| B | .gif)  | GO TO SAFETY CONNECT SYSTEM | 
| C | .gif)  | GO TO TELEMATICS SYSTEM | 
| 
 | 
| 5. | PROBLEM SYMPTOMS TABLE | 
(a) Refer to Problem Symptoms Table.
Click here .gif) 
 
| 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 .gif) 
 .gif) 
 
| B | .gif)  | GO TO STEP 7 | 
| 
 | 
| 6. | PERFORM TROUBLESHOOTING | 
(a) Refer to Terminals of ECU.
Click here .gif) 
 
| 
 | 
| 7. | REPAIR OR REPLACE | 
| 
 | 
| 8. | CONFIRMATION TEST | 
| NEXT | .gif)  | END | 
 Operation Check
 Operation Check
	 Problem Symptoms Table
 Problem Symptoms Table
	 Terminals Of Ecu
 Terminals Of Ecu
	 Open in One Side of Bus 3 Branch Line
 Open in One Side of Bus 3 Branch Line
	 Calibration
 Calibration