Toyota Camry Manual page 1836

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:
D
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.
D
If the instruction "Proceed to next circuit inspection shown on matrix chart" 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.
D
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.
Symptom
All functions of wireless door lock control system do no operate.
Only door unlock operation is not possible (Lock operation is pos-
sible).
Only door lock operation is not possible (Unlock operation is pos-
sible).
Only key confinement prevention function is not possible.
D Wireless door lock function operates even when each door is
opened.
D Automatic lock function operates even if any door is opened
within 30 seconds after all doors are unlocked by wireless door
lock control system.
Wireless door lock functions incorrectly.
(Although one door is unlocked, when the transmitter switch is
pressed, all doors are unlocked.)
Warning operation will not be performed even if the panic button is
pressed.
DIAGNOSTICS – WIRELESS DOOR LOCK CONTROL SYSTEM
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.
1. Door Key Lock and Unlock Switch Circuit
(Unlock Side)
2. Door Unlock Detection Switch Circuit
3. Wireless Door Lock ECU.
1. Door Key Lock and Unlock Switch Circuit
(Lock Side)
2. Wireless Door Lock ECU
1. Key Unlock Warning Switch Circuit
2. Wireless Door Lock ECU
1. Door Courtesy Switch Circuit
2. Wireless Door Lock ECU
1. Door Unlock Detection Switch Circuit
2. Wireless Door Lock ECU
1. Panic Circuit
2. Wireless Door Lock ECU
Suspect Area
Author : Date :
DI–809
DI05Q–03
See page
DI–810
DI–821
DI–815
DI–817
DI–819
IN–31
DI–815
DI–819
IN–31
DI–817
IN–31
DI–819
IN–31
DI–821
IN–31
DI–813
IN–31
DI–823
IN–31
1044