–
INTRODUCTION
HOW TO TROUBLESHOOT ECU CONTROLLED
SYSTEMS
01–29
29
Author:
Date:
2002 CAMRY REPAIR MANUAL (RM881U)
PROBLEM SYMPTOMS TABLE
The suspected circuits or parts for each problem symptom are shown in the table below. Use this table to
troubleshoot the problem when a ”Normal” code is displayed in the diagnostic trouble code check but the
problem is still occurring. Numbers in the table indicate the inspection order in which the circuits or parts
should be checked.
HINT:
When the problem is not detected by the diagnostic system even though the problem symptom is present,
it is considered that the problem is occurring outside the detection range of the diagnostic system, or that
the problem is occurring in a system other than the diagnostic system.
Symptom
Suspected Area
See page
1. With the ignition switch in ACC or ON position, the SRS warning
light sometimes lights up after approx. 6 seconds have elapsed.
2. SRS warning light is always lit up even when ignition switch is
in the LOCK position
1. With the ignition switch in the ACC or ON position, the SRS
warning light does not light up.
PROBLEM SYMPTOMS TABLE
1. DTC is not displayed.
05–187
05–183
Problem Symptom
Page
Indicates the page where the flow chart for each circuit
is located.
Circuit Inspection, Inspection Order
Indicates the circuit which needs to be checked for each problem
symptom. Check in the order indicated by the numbers.
Circuit or Part Name
Indicates the circuit or part which needs to be checked.
Proceed with troubleshooting of each circuit in the table below.
1. SRS warning light circuit
(Always lights up when ignition switch is in
LOCK position.)
1. SRS warning light circuit
(Does not light up when ignition switch is turned
to ACC or ON.)
1. Tc terminal circuit
05–180
3. DTC is displayed without Tc and CG terminal connection.
2. SRS warning light is always lit up at the time of DTC check
procedure.
