2000 TOYOTA CAMRY Service Repair Manual

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Page 3225 of 4770

TOYOTA CAMRY 2000 Service Repair Manual Start
Unlock all doors manually
Insert key in ignition key cylinder and open drivers doorHINT: Diagnostic mode may be exited
at any time by ungrounding terminal 9
Ground terminal 9 of the wireless do

Page 3226 of 4770

TOYOTA CAMRY 2000 Service Repair Manual Does each
door lock
knob oper-
ate?No
Ye sRF (ECU failure) DATA reception
error (Transmitter of ECU failure)
Exit diagnostic mode, and check
transmitter batteries.
If bad, replace batteries and go

Page 3227 of 4770

TOYOTA CAMRY 2000 Service Repair Manual DI05O±03
I00217
I00216
I00215
I00241
Ignition Switch
Key Unlock Warning Switch
Wireless Door Lock ECU
Transmitter
Instrument Panel Junction Block
Integration Relay
Engine Room Junction Block
Door L

Page 3228 of 4770

TOYOTA CAMRY 2000 Service Repair Manual DI1KR±03
I00227
1 2
63 74
8 5
9 10 11 12 13 14 15
DI±808
± DIAGNOSTICSWIRELESS DOOR LOCK CONTROL SYSTEM
1043 Author: Date:
TERMINALS OF ECU
Symbols (Terminals No.)Wiring ColorConditionSTD Voltage

Page 3229 of 4770

TOYOTA CAMRY 2000 Service Repair Manual DI05Q±03
± DIAGNOSTICSWIRELESS DOOR LOCK CONTROL SYSTEM
DI±809
1044 Author: Date:
PROBLEM SYMPTOMS TABLE
Perform troubleshooting of the circuit for the applicable problem symptom in the order giv

DI05Q±03
± DIAGNOSTICSWIRELESS DOOR LOCK CONTROL SYSTEM
DI±809
1044 Author: Date:
PROBLEM SYMPTOMS TABLE
Perform troubleshooting of the circuit for the applicable problem symptom in the order given in the chart be-
low. Proceed to the page located for each circuit.
HINT:
Troubleshooting of the wireless door lock control system is based on the premise that the door lock
control system and theft deterrent system are operating normally. Accordingly, before troubleshooting
the wireless door lock control system, first make certain that the door lock control system and theft de-
terrent system are operating normally.
If the instruction ºProceed to next circuit inspection shown on matrix chartº is given in the flow chart
for each circuit, proceed to the circuit with the next highest number in the table to continue the check.
If the trouble still reappears even through there are no abnormalities in any of the other circuits, check
and replace the Wireless Door Lock ECU as the last step.
SymptomSuspect AreaSee page
All functions of wireless door lock control system do no operate.
3. ECU Power Source Circuit.
4. Door Courtesy Switch Circuit.
5. Door Key Lock and Unlock Switch Circuit.
(Unlock Side)
6. Door Key Lock and Unlock Switch Circuit.
(Lock Side)
7. Key Unlock Warning Switch Circuit.
8. Wireless Door Lock ECU.DI±810
DI±821
DI±815
DI±817

DI±819
IN±31
Only door unlock operation is not possible (Lock operation is pos-
sible).
1. Door Key Lock and Unlock Switch Circuit
(Unlock Side)
2. Door Unlock Detection Switch Circuit
3. Wireless Door Lock ECU.DI±815
DI±819
IN±31
Only door lock operation is not possible (Unlock operation is pos-
sible).1. Door Key Lock and Unlock Switch Circuit
(Lock Side)
2. Wireless Door Lock ECUDI±817
IN±31
Only key confinement prevention function is not possible.1. Key Unlock Warning Switch Circuit
2. Wireless Door Lock ECUDI±819
IN±31
Wireless door lock function operates even when each door is
opened.
Automatic lock function operates even if any door is opened
within 30 seconds after all doors are unlocked by wireless door
lock control system.
1. Door Courtesy Switch Circuit
2. Wireless Door Lock ECUDI±821
IN±31
Wireless door lock functions incorrectly.
(Although one door is unlocked, when the transmitter switch is
pressed, all doors are unlocked.)1. Door Unlock Detection Switch Circuit
2. Wireless Door Lock ECUDI±813
IN±31
Warning operation will not be performed even if the panic button is
pressed.1. Panic Circuit
2. Wireless Door Lock ECUDI±823
IN±31

Page 3230 of 4770

TOYOTA CAMRY 2000 Service Repair Manual DI05R±03
I00225
Wireless Door Lock ECU
SHORT PIN
2A2J
DOME Engine Room J/B No.2
FL BLOCK
BatteryRR± J16J17
W±BJ5
A
GND B±G1
B12
FL MAIN
A
IF R
RED 1
1
1 1
8
12 R±YDIODE(DOME) 1W
1G
R8 Instrument

Page 3231 of 4770

TOYOTA CAMRY 2000 Service Repair Manual N14677
AB0117
N14690
I00242
LOCK
E(±)
+B(+)
± DIAGNOSTICSWIRELESS DOOR LOCK CONTROL SYSTEM
DI±811
1046 Author: Date:
INSPECTION PROCEDURE
1 Check DOME fuse.
PREPARATION:
Remove DOME fuse from eng

Page 3232 of 4770

TOYOTA CAMRY 2000 Service Repair Manual DI±812
± DIAGNOSTICSWIRELESS DOOR LOCK CONTROL SYSTEM
1047 Author: Date:
3 Check for open in harness and connector between terminal GND of wireless
door lock ECU and body ground (See page IN±31)

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