Power Window Control System How To Proceed With Troubleshooting

VEHICLE BROUGHT TO WORKSHOP
1. GO TO NEXT STEP
CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK (See CUSTOMER PROBLEM ANALYSIS CHECK )
1. GO TO NEXT STEP
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 with the hand-held tester.
  1. (ECU unconnected, communication line abnormal) Without code output, proceed to A.
  2. (ECU unconnected, communication line abnormal) With code output, proceed to B.
1. B: Go to MULTIPLEX COMMUNICATION SYSTEM (See MULTIPLEX COMMUNICATION SYSTEM )
2. A: GO TO NEXT STEP
DIAGNOSTIC TROUBLE CODE CHECK (See DIAGNOSTIC TROUBLE CODE CHART )
1. Check a DTC and note it if a code is output.
2. Delete the DTC.
3. Check if the DTC will be output once again, when the problem symptom is simulated based on the noted code.
  1. Without an output of the code, proceed to A.
  2. With an output of the code, proceed to B.
1. B: Go to step 7
2. A: GO TO NEXT STEP
PROBLEM SYMPTOMS TABLE (See PROBLEM SYMPTOMS TABLE )
1. Without an applicable symptoms table, proceed to A.
2. With an applicable symptoms table, proceed to B.
1. B: Go to step 7
2. A: GO TO NEXT STEP
ACCORDING TO PROBLEM SYMPTOM, PERFORM TROUBLESHOOTING
1. PRE-CHECK (See pre-check )
2. TERMINALS OF ECU (See TERMINALS OF ECU )
1. GO TO NEXT STEP
ADJUST, REPAIR OR REPLACE
1. GO TO NEXT STEP
2. END