LEXUS ENFORM System

CELLULAR COMMUNICATION: LEXUS ENFORM SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HINT
* Use this procedure to troubleshoot the LEXUS ENFORM system.
* *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP

NEXT -- Continue to next step.

2. CHECK THE CUSTOMER'S CONTRACT STATUS

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

Result:





B -- GO TO AUDIO AND VISUAL SYSTEM (w/ Navigation System) System Description

C -- GO TO SAFETY CONNECT SYSTEM System Description
A -- Continue to next step.

3. CHECK FOR DTC*

(a) Perform Health Check Health Check.

(b) Check for DTCs and note any codes that are output.

(c) Clear the DTC.

(d) Recheck for DTCs. Try to prompt the DTC by simulating the original activity that the DTC suggests.

Result:





B -- GO TO DIAGNOSTIC TROUBLE CODE CHART (Audio and Visual System (w/ Navigation System) ) Audio and Visual System (w/ Navigation System)

C -- GO TO DIAGNOSTIC TROUBLE CODE CHART (Safety Connect System) Safety Connect System

D -- GO TO DIAGNOSTIC TROUBLE CODE CHART (Navigation System) Navigation System (for HDD)
A -- Continue to next step.

4. PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table LEXUS ENFORM System.

Result:





HINT
If the symptom does not recur and no DTC is output, perform the symptom reproduction method How To Proceed With Troubleshooting.

B -- Go to step 6
A -- Continue to next step.

5. PERFORM TROUBLESHOOTING

(a) Refer to Terminals of ECU LEXUS ENFORM System.

NEXT -- Continue to next step.

6. ADJUST, REPAIR OR REPLACE

NEXT -- Continue to next step.

7. CONFIRMATION TEST

NEXT -- Continue to next step.

8. END