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 doorkeyl
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DI-437
DIAGNOSTICS - THEFT DETERRENT SYSTEM
DI028-16
Door Key Lock and Unlock Switch Circuit
CIRCUIT DESCRIPTION
The door key lock and unlock switch is built in the door key cylinder. When the key is turned to the lock side,
terminal 1 of the switch is grounded and when the key is turned to the unlock side, terminal 2 of the switch
is grounded.
WIRING DIAGRAM
D15 Theft Deterrent ECU
Front LH
Door Key Lock and J2
Unlock Switch J/C
J5 13 9
J/C Unlock L-Y F F
IA1 T5 UL3
14 6 Y-B Y-B
W-B W-B
IA1
A 3 12 8
B-R BR-Y BR-Y
IA2 C T5 L2
Lock 5 C
ID C
12
J9 Lock BR-Y BR-Y
J/C IF1
14 2
W-B W-B J2
IF1 J/C
A 4 13 10
G-B G-B G-B
IF1 T5 UL2
Unlock 1 D D
D16
Front RH
Door Key Lock and
Unlock Switch
IF
I22567
2002 ECHO (RM884U)
Author : Date : 607
DI-438
DIAGNOSTICS - THEFT DETERRENT SYSTEM
INSPECTION PROCEDURE
1 Check door key lock and unlock switch.
PREPARATION:
(a) Remove the door trim and service hole cover.
Driver door (b) Disconnect the door key lock and unlock switch connec-
tor.
CHECK:
Check continuity between terminals of door key lock and unlock
switch connector, when door key lock and unlock switch is
turned to the lock side, unlock side and not turned.
OK:
Driver door:
Passenger door
Switch position Tester connection Specified condition
Lock side 3-5 Continuity
Unlock side 3-6 Continuity
OFF - No continuity
Passenger door:
Switch position Tester connection Specified condition
Lock side 2-4 Continuity
I14916 Unlock side 1-4 Continuity
OFF - No continuity
NG Replace door key lock and unlock switch.
OK
2 Check harness and connectors between ECU and switch, 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 : 608
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