1999 TOYOTA CAMRY Service Repair Manual

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Page 2817 of 4592

TOYOTA CAMRY 1999 Service Repair Manual B02129
Example:
CorrectWrong
N21642
Example:
IN±14
± INTRODUCTIONFOR ALL OF VEHICLES
14 Author: Date:
(f) SIDE AIRBAG ASSEMBLY
(1) Always store a removed or new side airbag assem-
bly with the air

Page 2818 of 4592

TOYOTA CAMRY 1999 Service Repair Manual B02121
Example:
± INTRODUCTIONFOR ALL OF VEHICLES
IN±15
15 Author: Date:
(g) SEAT BELT PRETENSIONER
(1) Never measure the resistance of the seat belt pre-
tensioner. (This may cause the seat belt

Page 2819 of 4592

TOYOTA CAMRY 1999 Service Repair Manual IN±16
± INTRODUCTIONFOR ALL OF VEHICLES
16 Author: Date:
(h) AIRBAG SENSOR ASSEMBLY
(1) Never reuse the airbag sensor assembly involved
in a collision when the SRS has deployed.
(2) The connectors

Page 2820 of 4592

TOYOTA CAMRY 1999 Service Repair Manual ± INTRODUCTIONFOR ALL OF VEHICLES
IN±17
17 Author: Date:
2. FOR VEHICLES EQUIPPED WITH A CATALYTIC CONVERTER
CAUTION:
If large amount of unburned gasoline flows into the converter, it may overheat

Page 2821 of 4592

TOYOTA CAMRY 1999 Service Repair Manual N21624
TRAC OFF
Indicator Light
TRAC Cut
Switch
N21622
IN±18
± INTRODUCTIONFOR ALL OF VEHICLES
18 Author: Date:
4. FOR USING OBD II SCAN TOOL OR TOYOTA HAND±HELD TESTER
CAUTION:
Observe the fol

Page 2822 of 4592

TOYOTA CAMRY 1999 Service Repair Manual N21623
± INTRODUCTIONFOR ALL OF VEHICLES
IN±19
19 Author: Date:
(4) Press the TRAC cut switch to turn the TRAC to the
operative mode and check that the TRAC OFF indi-
cator light goes off.
HINT:

Page 2823 of 4592

TOYOTA CAMRY 1999 Service Repair Manual IN05Y±07
IN±20± INTRODUCTIONHOW TO TROUBLESHOOT ECU CONTROLLED
SYSTEMS
20 Author: Date:
HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS
GENERAL INFORMATION
A large number of ECU controlled systems ar

IN05Y±07
IN±20± INTRODUCTIONHOW TO TROUBLESHOOT ECU CONTROLLED
SYSTEMS
20 Author: Date:
HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS
GENERAL INFORMATION
A large number of ECU controlled systems are used in the 1999 CAMRY. In general, the ECU controlled
system is considered to be a very intricate system requiring a high level of technical knowledge and expert
skill to troubleshoot. However, the fact is that if you proceed to inspect the circuits one by one, troubleshoot-
ing of these systems is not complex. If you have adequate understanding of the system and a basic knowl-
edge of electricity, accurate diagnosis and necessary repair can be performed to locate and fix the problem.
This manual is designed through emphasis of the above standpoint to help service technicians perform ac-
curate and effective troubleshooting, and is compiled for the following major ECU controlled systems:
The troubleshooting procedure and how to make use of it are described on the following pages.
1. 5S±FE EngineDI±1
2. 1MZ±FE EngineDI±195
3. A140E Automatic TransaxleDI±387
4. A541E Automatic TransaxleDI±436
5. Anti±Lock Brake System (DENSO made)DI±491
6. Anti±Lock Brake System (BOSCH made)DI±537
7. ABS & Traction Control SystemDI±572
8. Supplemental Restraint SystemDI±624
9. Wireless Door Lock Control SystemDI±800
10.Theft Deterrent SystemDI±826
11. Cruise Control SystemDI±868
12.Engine Immobiliser SystemDI±919
FOR USING OBD II SCAN TOOL OR TOYOTA HAND±HELD TESTER
Before using the scan tool or tester, the scan tool's instruction book or tester's operator manual should
be read thoroughly.
If the scan tool or tester cannot communicate with ECU controlled systems when you have connected
the cable of the scan tool or tester to DLC3, turned the ignition switch ON and operated the scan tool,
there is a problem on the vehicle side or tool side.
(1) If communication is normal when the tool is connected to another vehicle, inspect the diagnosis
data link line (Busline) or ECU power circuit of the vehicle.
(2) If communication is still not possible when the tool is connected to another vehicle, the problem
is probably in the tool itself, so perform the Self Test procedures outline in the Tester Operator's
Manual.

Page 2824 of 4592

TOYOTA CAMRY 1999 Service Repair Manual IN05W±08
Vehicle Brought to Workshop
Customer Problem
Analysis
Symptom Confirmation
and Diagnostic Trouble
Code Check
Symptom Simulation
Diagnostic Trouble
Code Chart
Problem Symptoms Table
Circuit

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