DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE

DETAILED FLOW
1.GET INFORMATION FOR SYMPTOM
Get detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurred).
>> GO TO 2.
2.CONFIRM THE SYMPTOM
Try to confirm the symptom described by the customer. Verify relation between the symptom and the condition when the symptom is detected. Refer to AV-59, "Symptom Table".
>> GO TO 3.
3.DETECT MALFUNCTIONING PART BY DIAGNOSTIC PROCEDURE
Inspect according to Diagnostic Procedure of the system.
Is malfunctioning part detected? YES >> GO TO 4.
NO >> GO TO 2.
4.REPAIR OR REPLACE THE MALFUNCTIONING PART
>> GO TO 5.
5.FINAL CHECK
Refer to confirmed symptom in step 2, and make sure that the symptom is not detected.
Was the repair confirmed? YES >> Inspection End.
NO >> GO TO 2.
Wiring diagram
DTC/circuit diagnosisU0100 lost communication (ECM A)
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
U0100
LOST COMM (ECM A)
(Lost Communication With ECM/PCM A)
When the ignition switch is ON, TCM is unable to receive the CAN
communications signal f ...
Wiring diagram
AUTOMATIC AIR CONDITIONING SYSTEM
Wiring Diagram
...
Drinking alcohol/drugs and driving
WARNINGNever drive under the influence of alcohol
or drugs. Alcohol in the bloodstream reduces
coordination, delays reaction time
and impairs judgement. Driving after
drinking alcohol increases the likelihood
of being involved in an accident injuring
yourself and others. Add ...