–
INTRODUCTION
HOW TO TROUBLESHOOT ECU CONTROLLED
SYSTEMS
01–25
25
Author:
Date:
2002 CAMRY REPAIR MANUAL (RM881U)
b
4
Simulation test using the symptom simulation methods
5
DTC check
DTC displayed
Normal code displayed
a
Troubleshooting of problem indicated by DTC
b
6
Symptom confirmation
No problem symptoms exist
Problem symptoms exist
If a DTC is displayed in the initial DTC check, it indicates that
a trouble may have occurred in a wire harness or connector in
that circuit in the past, therefore check the wire harness and
connectors (See page
01–31
).
a
System normal
b
Troubleshooting of each problem symptom
The problem is still occurring in a place other than the diagnostic circuit (The DTC displayed first is either
for a past problem or it is a secondary problem).