Luggage Compartment Door Key Lock and Unlock Switch Circuit CIRCUIT DESCRIPTION The luggage compartment door key lock and unlock switch goes ON when the luggage compartment door key cylinder is turned to the unlock side with the key.
WIRING DIAGRAM Theft Deterrent ECU L3 Luggage Compartment Door Key Lock and Unlock Switch W-B
G-Y 1
2
7 IB1
G-Y
7 T5
LUG
BG
I13719
INSPECTION PROCEDURE 1
Check voltage between terminal 1 of luggage compartment door key lock and unlock switch connector and body ground.
2
LOCK Disconnect (-)
(+)
1 I02925
PREPARATION: (a) Remove the luggage compartment door trim. (b) Turn the ignition switch ON. CHECK: Measure voltage between terminal 1 of luggage compartment door key lock and unlock switch connector and body ground, when the key is turned to the unlock side and not turned. OK: Key operation
Voltage
Turned to the unlock side
0V
Not turned
Battery positive voltage
2002 ECHO (RM884U)
Author:
Date:
603
DI-434 DIAGNOSTICS
OK
-
THEFT DETERRENT SYSTEM
Check and replace theft deterrent ECU.*1
NG
2
Check luggage compartment door key lock and unlock switch.
Disconnect
(+)
(-)
2
1
PREPARATION: Disconnect the luggage compartment door key lock and unlock switch connector. CHECK: Check continuity between terminals 1 and 2, when the key is turned to the unlock side and not turned. OK:
I02927
Key operation
Tester connection
Specified condition
Turned to unlock
1-2
Continuity
Not turned
-
No continuity
NG
Repair or replace luggage compartment door key lock and unlock switch.
OK
3
Check harness and connector between theft deterrent ECU and key lock and unlock switch, key lock and unlock switch and body ground (See page IN-29 ).
NG
Repair or replace harness or connector.
OK
Check and replace theft deterrent ECU. *1: When there is a malfunction that the theft deterrent system cannot be set, proceed to the next numbered circuit inspection shown in problem symptoms table (See page DI-412 ).
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B. Drill Trim Holes a. Drill holes in door face from both sides of door to avoid splintering wood. b. Chisel out notches on outside of door only. 2¹ââ". (54mm).
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