How To Proceed With Troubleshooting
WARNING: This page is about a different car, the 2004 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.
- VEHICLE BROUGHT TO WORKSHOP
- GO TO NEXT STEP
- CUSTOMER PROBLEM ANALYSIS CHECK AND PROBLEM SYMPTOM CONFIRMATION
- GO TO NEXT STEP
- INSPECT COMMUNICATION FUNCTION OF LARGE-SCALE BODY MULTIPLEX COMMUNICATION SYSTEM (BEAN)
- Check if there is no abnormality in the communication system by inspecting the communication function of the body multiplex communication system with the hand-held tester.
- (ECU unconnected, communication line abnormal) Without code output, proceed to A.
- (ECU unconnected, communication line abnormal) With code output, proceed to B.
- B: GO TO (See DIAGNOSTIC TROUBLE CODE TABLE )
- A: Go to next step.
- Check if there is no abnormality in the communication system by inspecting the communication function of the body multiplex communication system with the hand-held tester.
- ACCORDING TO PROBLEM SYMPTOM, PERFORM TROUBLESHOOTING
- GO TO NEXT STEP
- ADJUST, REPAIR OR REPLACE
- GO TO NEXT STEP
- CONFIRMATION TEST
- END