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 ecupower
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DI-418
DIAGNOSTICS - THEFT DETERRENT SYSTEM
DI01W-20
ECU Power Source Circuit
CIRCUIT DESCRIPTION
This circuit provides power to operate the theft deterrent ECU.
WIRING DIAGRAM
Theft Deterrent
ECU
Instrument Panel J/B
4 7 11
1A 1L T5 +B1
1 L-Y L-Y
Engine
2 J/C
Room 1 10 B B 1
DOME J/B 1C 1L J6
J7 T6 +B2
W-L W-L
D/L
1
B
7
1 J5 A
2 B-L 4 T6 E
J/C W-B
MAIN ALT FL Block
Battery
ID
I13711
2002 ECHO (RM884U)
Author : Date : 588
DI-419
DIAGNOSTICS - THEFT DETERRENT SYSTEM
INSPECTION PROCEDURE
1 Check DOME and D/L fuse.
Engine room junction block: PREPARATION:
(a) Remove the DOME fuse from the engine room junction
block.
(b) Remove the D/L fuse from the instrument panel junction
block.
CHECK:
Check continuity of the DOME and D/L fuse.
DOME Fuse OK:
Continuity
Instrument panel junction block:
D/L
Fuse
NG Check for short in all the harness and compo-
nents connected to the DOME and DOOR fuse
(See attached wiring diagram).
I12041
I12040 I15056
OK
2 Check voltage between terminals +B1, +B2 and E of theft deterrent ECU connec-
tor.
PREPARATION:
LOCK (a) Remove the glove compartment door.
(b) Disconnect the theft deterrent ECU connector.
Disconnect CHECK:
+B1 (+)
Measure voltage between terminals +B1, +B2 and E of theft de-
(+) terrent ECU connector.
OK:
(-)
+B2 (+) Voltage: 10 - 14 V
E (-) I02918
OK Proceed to next circuit inspection shown in
problem symptoms table (See page DI-412 ).
NG
2002 ECHO (RM884U)
Author : Date : 589
DI-420
DIAGNOSTICS - THEFT DETERRENT SYSTEM
3 Check for open in harness and connector between ECU and body ground (See
page IN-29 ).
NG Repair or replace harness or connector.
OK
Check and repair harness and connector be-
tween ECU and battery.
2002 ECHO (RM884U)
Author : Date : 590
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