Page 1737 of 3115

- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI-709
902 Author: Date:
2004 LAND CRUISER (RM1071U)No.
SymbolTerminal Name
C25 - 3LSP-Seat Position Sensor Assembly
C25 - 4LSP+Seat Position Sensor Assembly
C25 - 7PL-Squib (Seat Belt Pretensioner, LH)
C25 - 8PL+Squib (Seat Belt Pretensioner, LH)
C25 - 9ICL+Squib (Curtain Shield, LH)
C25 - 10ICL-Squib (Curtain Shield, LH)
C25 - 11SFL-Squib (Side, LH)
C25 - 12SFL+Squib (Side, LH)
C25 - 13ESCLCurtain Shield Airbag Sensor Assembly LH
C25 - 14VUCLCurtain Shield Airbag Sensor Assembly LH
C25 - 15CSL+Curtain Shield Airbag Sensor Assembly LH
C25 - 16VUPLSide and Curtain Shield Airbag Sensor Assembly LH
C25 - 17SSL+Side and Curtain Shield Airbag Sensor Assembly LH
C25 - 18ESLSide and Curtain Shield Airbag Sensor Assembly LH
C25 - 19LBE+Seat Belt Buckle Switch LH
C25 - 20SSL-Side and Curtain Shield Airbag Sensor Assembly LH
C27 - 4CSR-Curtain Shield Airbag Sensor Assembly RH
C27 - 5SFR+Squib (Side, RH)
C27 - 6SFR-Squib (Side, RH)
C27 - 7ICR-Squib (Curtain Shield, RH)
C27 - 8ICR+Squib (Curtain Shield, RH)
C27 - 9PR+Squib (Seat Belt Pretensioner, RH)
C27 - 10PR-Squib (Seat Belt Pretensioner, RH)
C27 - 13SSR-Side and Curtain Shield Airbag Sensor Assembly RH
C27 - 15ESRSide and Curtain Shield Airbag Sensor Assembly RH
C27 - 16SSR+Side and Curtain Shield Airbag Sensor Assembly RH
C27 - 17VUPRSide and Curtain Shield Airbag Sensor Assembly RH
C27 - 18CSR+Curtain Shield Airbag Sensor Assembly RH
C27 - 19VUCRCurtain Shield Airbag Sensor Assembly RH
C27 - 20ESCRCurtain Shield Airbag Sensor Assembly RH
Page 1738 of 3115
I25817
E3
Engine Hood Courtesy SWCowl Side J/B RHTheft Deterrent ECU
L-B L-BDSWH 34
3Q82 4
3B
EA 12SB8
IL3
L-B
W-B 6
EA2T5 DI-976
- DIAGNOSTICSTHEFT DETERRENT SYSTEM
1169 Author: Date:
2004 LAND CRUISER (RM1071U)
Engine hood courtesy switch circuit
CIRCUIT DESCRIPTION
The door courtesy light goes on when the door is opened and goes off when closed.
WIRING DIAGRAM
DIB4V-02
Page 1739 of 3115

N14878
1 (+) 2 (-)
- DIAGNOSTICSTHEFT DETERRENT SYSTEM
DI-977
1170 Author: Date:
2004 LAND CRUISER (RM1071U)
INSPECTION PROCEDURE
HINT:
In case of using the hand-held tester, start the inspection from step 1 and in case of not using the hand-held
tester, start from step 2.
1 Check engine hood courtesy switch using hand-held tester.
PREPARATION:
Connect the hand-held tester to DLC 3.
CHECK:
Check that the engine hood courtesy switch operate in DATA LIST (See page DI-1040).
OK Proceed to next circuit inspection shown on
problem symptoms table (See page DI-965).
NG
2 Check the engine hood courtesy switch.
PREPARATION:
(a) Remove engine hood lock assembly.
(b) Disconnect engine hoood courtesy switch connector.
CHECK:
Check continuity between terminals 1 and 2 when engine hood
lock is locked and inlocked.
Engine hood lockTester connectionSpecified condition
LOCK-No continuity
UNLOCK1 - 2Continuity
NG Replace the engine hood courtesy switch.
OK
3 Check wireharness and connector between courtesy switch and theft deterrent
ECU (See page IN-26).
NG Repair or replace wireharness or connector.
OK
Page 1740 of 3115
DI-978
- DIAGNOSTICSTHEFT DETERRENT SYSTEM
1171 Author: Date:
2004 LAND CRUISER (RM1071U)
Proceed to next circuit inspection shown on
problem symptoms table
(See page DI-965).
Page 1741 of 3115
I27345
Cowl Side J/B RH
76
3Q
IND 25
G-RT5
Theft Deterrent ECU
12
3D
G-R 21
M5 14
M9
3
M5 8
M9 (*2)(*1)
(*2) (*1) SECURITY (*2) LP (*1)
GND (*2) GND1 (*1) Multi Display
Cowl Side J/B RHW-B
8
3D
10
3D
W-B W-BH
H HJ10
J/C
II
*1: w/ Navigation system
*2: w/o Navigation system
- DIAGNOSTICSTHEFT DETERRENT SYSTEM
DI-969
1162 Author: Date:
2004 LAND CRUISER (RM1071U)
Security indicator circuit
CIRCUIT DESCRIPTION
When the theft deterrent system is preparing to be set, this circuit lights up the indicator.
When the system is set, the indicator blinks.
It also indicates the condition of the immobiliser system according to the request from the Transponder Key
ECU.
WIRING DIAGRAM
DIB4T-02
Page 1742 of 3115
I24677
IND
(+) (-)
DI-970
- DIAGNOSTICSTHEFT DETERRENT SYSTEM
1163 Author: Date:
2004 LAND CRUISER (RM1071U)
INSPECTION PROCEDURE
HINT:
In case of using the hand-held tester, start the inspection from step 1 and in case of not using the hand-held
tester, start from step 2.
1 Check security indicator using hand-held tester.
PREPARATION:
Connect the hand-held tester to the DLC 3.
CHECK:
Check that the theft deterrent in the indicator lights in ACTIVE TEST (See page DI-955).
OK Proceed to next circuit inspection shown in
problem symptoms table (See page DI-965).
NG
2 Check security indicator.
CHECK:
Connect the positive lead from the battery to terminal 7 (14) and
negative lead to terminal 6 (8), and check that the warning light
lights up.
( ): w/o Navigation system
OK:
Indicator light lights up.
NG Replace multi-display.
OK
Page 1743 of 3115
- DIAGNOSTICSTHEFT DETERRENT SYSTEM
DI-971
1164 Author: Date:
2004 LAND CRUISER (RM1071U)
3 Check wire harness and connector between theft deterrent ECU and indicator,
indicator and body ground (See page IN-36).
NG Repair or replace wire harness or connector.
OK
Proceed to next circuit inspection shown in
problem symptoms table (See page
DI-965).
Page 1744 of 3115

I27341
U1
Unlock Warning SWCowl Side J/B RH
Cowl Side J/B LHTheft Deterrent ECU
R-B
W-BW-BR-BKSW 12
T5 3Q 74 23
3E
3
3P1
3P
2E 18
IF 1
2
SB9
IL3
DI-974
- DIAGNOSTICSTHEFT DETERRENT SYSTEM
1167 Author: Date:
2004 LAND CRUISER (RM1071U)
Key unlock warning switch circuit
CIRCUIT DESCRIPTION
The key unlock warning switch goes on when the ignition key is inserted 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
INSPECTION PROCEDURE
HINT:
In case of using the hand-held tester, start the inspection from step 1 and in case of not using the hand-held
tester, start from step 2.
1 Check unlock warning switch using hand-held tester.
PREPARATION:
Connect the hand-held tester to DLC 3.
CHECK:
Check that the unlock warning switch operate in DATA LIST (See page DI-1040).
OK Proceed to next circuit inspection shown on
problem symptoms table (See page DI-965).
NG
DIB4W-02