Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Echo 2000-2002 Approved techinfo.toyota.com ileaf 02toyrm 02toypdf 02rmsour 2002 02echorm di theft keyunloc
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DIAGNOSTICS - THEFT DETERRENT SYSTEM
DI023-15
Key Unlock Warning Switch Circuit
CIRCUIT DESCRIPTION
The key unlock warning switch goes ON when the ignition key is inserted in the key cylinder and goes OFF
when the ignition key is removed.
The ECU operates the key confinement prevention function while the key unlock warning switch is ON.
WIRING DIAGRAM
Theft Deterrent
ECU
U1
Unlock Warning Instrument Panel J/B
Switch
19 13 6
Y Y
1P 1L T5 KSW
1 2
W-B
16 2
1P 1O
W-B
ID
I13718
2002 ECHO (RM884U)
Author : Date : 601
DI-432
DIAGNOSTICS - THEFT DETERRENT SYSTEM
INSPECTION PROCEDURE
1 Check key unlock warning switch.
PREPARATION:
Disconnect the key unlock warning switch connector.
2
CHECK:
Check continuity between terminal 1 and 2 of key unlock warn-
ing switch connector, when the key is inserted into the key cylin-
der or removed.
OK:
(-) (+)
SR4924
1 Switch position Tester connection Specified condition
N14675 I00634
ON (Key inserted) 1-2 Continuity
OFF (Key removed) - No continuity
NG Replace key unlock warning switch.
OK
2 Check harness and connectors between ECU and key unlock warning switch,
key unlock warning switch and body ground (See page IN-29 ).
NG Repair or replace harness or connector.
OK
Proceed to next circuit inspection shown in
problem symptoms table
(See page DI-412 ).
2002 ECHO (RM884U)
Author : Date : 602
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