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DI-416
DIAGNOSTICS - THEFT DETERRENT SYSTEM
DI3B5-03
Starter Relay Circuit
CIRCUIT DESCRIPTION
When the theft deterrent system is activated, contact (a) in the ECU becomes open, creating an open circuit
in terminal SRLY circuit and making the starter inoperative (starter cut).
In this condition, if one of the following operations is done, the contact (a) in the ECU is grounded, thus can-
celing the starter cut:
(1) Unlock the front LH or RH door with key.
(2) Unlock the doors with the wireless door lock control system.
WIRING DIAGRAM
6 7 15 Theft Deterrent
W-B W-B P (A/T) ECU
EB1 EB1 EB1
(A/T) (M/T) W-R C
1
1 2 P P
ID2
(M/T) (M/T) C C
5
Clutch Start Switch J1 P
Engine Room J/B J/C T6 SRLY
2 1 2 Instrument Panel J/B
6 N P
1 1 EB1 1 6 7
B B-Y 9 B B
W-B (A/T) B
IE1 1E 1O
3 5 (A/T) 4
1 Park/Neutral
1 Position
B Switch
ST Relay B-W B (M/T) ST2 Ignition
5 EB1 ST Switch
1 AM2
1 2 5
B
AM2 7 1 W-R
1 1 1A 1O
1 2 W-R
B-L FL Block Battery
2
F6
MAIN
1 S2 1
S1
B
Starter
I13712
2002 ECHO (RM884U)
Author : Date : 586
DI-417
DIAGNOSTICS - THEFT DETERRENT SYSTEM
INSPECTION PROCEDURE
HINT:
This troubleshooting is based on the premise that engine cranking occurs.
If the engine does not crank, proceed to the engine troubleshooting on DI-1 .
1 Check voltage between terminal SRLY of theft deterrent ECU connector and
body ground.
LOCK PREPARATION:
(a) Disconnect the theft deterrent ECU connector.
(b) Transmission in neutral position.
CHECK:
Disconnect
Measure voltage between terminal SRLY of theft deterrent ECU
connector and body ground, when ignition switch is turned to
ST position.
SRLY OK:
I13842 Voltage: 10 - 14 V
OK Check and repair theft deterrent ECU.
NG
Check and repair harness and connector be-
tween starter and theft deterrent ECU
(See page IN-29 ).
2002 ECHO (RM884U)
Author : Date : 587
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