How To Proceed With Troubleshooting

WARNING: This page is about a different car, the 2004 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

Troubleshoot in accordance with the procedures as follows.

VEHICLE BROUGHT TO WORKSHOP
CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK (See CUSTOMER PROBLEM ANALYSIS CHECK )
INSPECT COMMUNICATION FUNCTION OF LARGE-SCALE BODY MULTIPLEX COMMUNICATION SYSTEM (BEAN)
1. Check that there is no abnormality in the communication system by inspecting the communication function of the body multiplex communication system.
  1. (ECU unconnected, communication line abnormal) Without code outputs, proceed to A.
  2. (ECU unconnected, communication line abnormal) With code outputs, proceed to B.
  1. B: GO TO BODY MULTIPLEX COMMUNICATION SECTION (See HOW TO PROCEED WITH TROUBLESHOOTING )
  2. A: Go to next step
PROBLEM SYMPTOMS TABLE (See PROBLEM SYMPTOMS TABLE )
1. Without applicable symptoms table, proceed to A.
2. With applicable symptoms table, proceed to B.
1. B: Go to step 6
2. A: Go to next step
ACCORDING TO PROBLEM SYMPTOM, PERFORM TROUBLESHOOTING
1. On-vehicle Inspection (See ON-VEHICLE INSPECTION ).
2. Terminals of ECU (See TERMINALS OF ECU ).
ADJUSTMENT, REPAIR OR REPLACEMENT
CONFIRMATION TEST
1. END