Page 1644 of 3115

H01019H16276H16618
Airbag
Sensor
Assembly Curtain Shield
Squib RH
(+)ICR+
(-)
Floor No. 2 Wire
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI-863
1056 Author: Date:
2004 LAND CRUISER (RM1071U)
DTC B1162/81 Short in Curtain Shield Squib RH
Circuit (to Ground)
CIRCUIT DESCRIPTION
The curtain shield squib RH circuit consists of the airbag sensor assembly and the curtain shield airbag as-
sembly RH.
It causes the SRS to deploy when the SRS deployment conditions are satisfied.
For details of the function of each component, see OPERATION on page RS-3.
DTC B1162/81 is recorded when ground short is detected in the curtain shield squib RH circuit.
DTC No.DTC Detecting ConditionTrouble Area
B1162/81
Short in curtain shield squib RH circuit (to ground)
Curtain shield squib RH malfunction
Airbag sensor assembly malfunctionCurtain shield airbag assembly RH (Curtain shield squib RH)
Airbag sensor assembly
Floor No. 2 wire
HINT:
DTC B1162/81 is indicated only for the vehicle equipped with the side airbag.
WIRING DIAGRAM
See page DI-856.
INSPECTION PROCEDURE
1 Prepare for inspection (See step 1 on page DI-923).
2 Check floor No. 2 wire(curtain shield squib RH circuit).
CHECK:
Measure the resistance between the body ground and ICR+ of
the floor No. 2 wire connector on the curtain shield airbag as-
sembly RH (curtain shield squib RH) side.
OK:
Resistance: 1 MW or Higher
NG Repair or replace floor No. 2 wire.
OK
DI6PD-22
Page 1647 of 3115

H01019AB0119H16277H16621
Curtain Shield
Squib RHAirbag
Sensor
Assembly
(-) (+)ICR+
ON
Floor No. 2 Wire
DI-866
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
1059 Author: Date:
2004 LAND CRUISER (RM1071U)
DTC B1163/82 Short in Curtain Shield Squib RH
Circuit (to B+)
CIRCUIT DESCRIPTION
The curtain shield squib RH circuit consists of the airbag sensor assembly and the curtain shield airbag as-
sembly RH.
It causes the SRS to deploy when the SRS deployment conditions are satisfied.
For details of the function of each component, see OPERATION on page RS-3.
DTC B1163/82 is recorded when a B+ short is detected in the curtain shield squib RH circuit.
DTC No.DTC Detecting ConditionTrouble Area
B1163/82
Short in curtain shield squib RH circuit (to B+)
Curtain shield squib RH malfunction
Airbag sensor assembly malfunctionCurtain shield airbag assembly RH (Curtain shield squib RH)
Airbag sensor assembly
Floor No. 2 wire
HINT:
DTC B1163/82 is indicated only for the vehicle equipped with the side airbag.
WIRING DIAGRAM
See page DI-856.
INSPECTION PROCEDURE
1 Prepare for inspection (See step 1 on page DI-923).
2 Check floor No. 2 wire (curtain shield squib RH circuit).
PREPARATION:
Connect the negative (-) terminal cable to the battery, and wait
at least for 2 seconds.
CHECK:
(a) Turn the ignition switch to ON.
(b) Measure the voltage between the body ground and ICR+
of the floor No. 2 wire connector on the curtain shield air-
bag assembly RH (curtain shield squib RH) side.
OK:
Voltage: Below 1 V
NG Repair or replace floor No. 2 wire.
OK
DI6PE-23
Page 1650 of 3115

H01454
C29
Curtain Shield Squib LHAirbag Sensor Assembly
ICL+
ICL- Y-V
Y-O 1
2109
C25
(*1)
(*1)C25
*1: w/ Side Airbag
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI-869
1062 Author: Date:
2004 LAND CRUISER (RM1071U)
DTC B1165/87 Short in Curtain Shield Squib LH
Circuit
CIRCUIT DESCRIPTION
The curtain shield squib LH circuit consists of the airbag sensor assembly and the curtain shield airbag as-
sembly LH.
It causes the SRS to deploy when the SRS deployment conditions are satisfied.
For details of the function of each component, see OPERATION on page RS-3.
DTC B1165/87 is recorded when a short is detected in the curtain shield squib LH circuit.
DTC No.DTC Detecting ConditionTrouble Area
B1165/87
Short in curtain shield squib LH circuit
Curtain shield squib LH malfunction
Airbag sensor assembly malfunctionCurtain shield airbag assembly LH (Curtain shield squib LH)
Airbag sensor assembly
Floor No. 1 wire
HINT:
DTC B1165/87 is indicated only for the vehicle equipped with the side airbag.
WIRING DIAGRAM
DI6PF-35
Page 1654 of 3115

H01019H16275H16623
Curtain Shield
Squib LHAirbag
Sensor
Assembly
(-) (+)
ICL-
ICL+ Floor No. 1 Wire
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI-873
1066 Author: Date:
2004 LAND CRUISER (RM1071U)
DTC B1166/88 Open in Curtain Shield Squib LH
Circuit
CIRCUIT DESCRIPTION
The curtain shield squib LH circuit consists of the airbag sensor assembly and the curtain shield airbag as-
sembly LH.
It causes the SRS to deploy when the SRS deployment conditions are satisfied.
For details of the function of each component, see OPERATION on page RS-3.
DTC B1166/88 is recorded when an open is detected in the curtain shield squib LH circuit.
DTC No.DTC Detecting ConditionTrouble Area
B1166/88
Open in curtain shield squib LH circuit
Curtain shield squib LH malfunction
Airbag sensor assembly malfunctionCurtain shield airbag assembly LH (Curtain shield squib LH)
Airbag sensor assembly
Floor No. 1 wire
HINT:
DTC B1166/88 is indicated only for the vehicle equipped with the side airbag.
WIRING DIAGRAM
See page DI-869.
INSPECTION PROCEDURE
1 Prepare for inspection (See step 1 on page DI-923).
2 Check floor No. 1 wire (curtain shield squib LH circuit).
CHECK:
Measure the resistance between ICL+ and ICL- of the floor No.
1 wire connector on the curtain shield airbag assembly LH (cur-
tain shield squib LH) side.
OK:
Resistance: Below 1 W
NG Repair or replace floor No. 1 wire.
OK
DI6PG-22
Page 1657 of 3115

H16276H01016H21147
Curtain Shield
Squib LH
Airbag
Sensor
Assembly
(-)
(+)
ICL+ Floor No. 1 Wire
DI-876
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
1069 Author: Date:
2004 LAND CRUISER (RM1071U)
DTC B1167/85 Short in Curtain Shield Squib LH
Circuit (to Ground)
CIRCUIT DESCRIPTION
The curtain shield squib LH circuit consists of the airbag sensor assembly and the curtain shield airbag as-
sembly LH.
It causes the SRS to deploy when the SRS deployment conditions are satisfied.
For details of the function of each component, see OPERATION on page RS-3.
DTC B1167/85 is recorded when ground short is detected in the curtain shield squib LH circuit.
DTC No.DTC Detecting ConditionTrouble Area
B1167/85
Short in curtain shield squib LH circuit (to ground)
Curtain shield squib LH malfunction
Airbag sensor assembly malfunctionCurtain shield airbag assembly LH (Curtain shield squib LH)
Airbag sensor assembly
Floor No. 1 wire
HINT:
DTC B1167/85 is indicated only for the vehicle equipped with the side airbag.
WIRING DIAGRAM
See page DI-856.
INSPECTION PROCEDURE
1 Prepare for inspection (See step 1 on page DI-923).
2 Check floor No. 1 wire (curtain shield squib LH circuit).
CHECK:
Measure the resistance between the body ground and ICL+ of
the floor No. 1 wire connector on the curtain shield airbag as-
sembly LH (curtain shield squib LH) side.
OK:
Resistance: 1 MW or Higher
NG Repair or replace floor No. 1 wire.
OK
DI6PH-22
Page 1660 of 3115

H01016AB0119
H16277H16627
Curtain Shield
Squib LHAirbag
Sensor
Assembly
ICL+
(-)(+)
ON
Floor No. 1 Wire
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI-879
1072 Author: Date:
2004 LAND CRUISER (RM1071U)
DTC B1168/86 Short in Curtain Shield Squib LH
Circuit (to B+)
CIRCUIT DESCRIPTION
The curtain shield squib LH circuit consists of the airbag sensor assembly and the curtain shield airbag as-
sembly LH.
It causes the SRS to deploy when the SRS deployment conditions are satisfied.
For details of the function of each component, see OPERATION on page RS-3.
DTC B1168/86 is recorded when a B+ short is detected in the curtain shield squib LH circuit.
DTC No.DTC Detecting ConditionTrouble Area
B1168/86
Short in curtain shield squib LH circuit (to B+)
Curtain shield squib LH malfunction
Airbag sensor assembly malfunctionCurtain shield airbag assembly LH (Curtain shield squib LH)
Airbag sensor assembly
Floor No. 1 wire
HINT:
DTC B1168/86 is indicated only for the vehicle equipped with the side airbag.
WIRING DIAGRAM
See page DI-869.
INSPECTION PROCEDURE
1 Prepare for inspection (See step 1 on page DI-923).
2 Check floor No. 1 wire (curtain shield squib LH circuit).
PREPARATION:
Connect the negative (-) terminal cable to the battery, and wait
at least for 2 seconds.
CHECK:
(a) Turn the ignition switch to ON.
(b) Measure the voltage between the body ground and ICL+
of the floor No. 1 wire connector on the curtain shield air-
bag assembly LH (curtain shield squib LH) side.
OK:
Voltage: Below 1 V
NG Repair or replace floor No. 1 wire.
OK
DI6PI-22
Page 1663 of 3115
H05146
Y-V
D2+ C2616Airbag Sensor Assembly
17
D2- Y-O 4
3
Spiral
Cable A28
D Squib (2nd step)
II4
II43 4
Y-V
Y-O
C26 DI-882
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
1075 Author: Date:
2004 LAND CRUISER (RM1071U)
DTC B1180/17 Short in D Squib (2nd step) Circuit
CIRCUIT DESCRIPTION
The D squib (2nd step) circuit consists of the airbag sensor assembly, the spiral cable and the steering wheel
pad.
It causes the airbag to deploy when the airbag deployment conditions are satisfied.
For details of the function of each component, see OPERATION on page RS-3.
DTC B1180/17 is recorded when a short is detected in the D squib (2nd step) circuit.
DTC No.DTC Detecting ConditionTrouble Area
B1180/17
Short in D squib (2nd step) circuit
D squib (2nd step) malfunction
Spiral cable malfunction
Airbag sensor assembly malfunctionSteering wheel pad (D squib (2nd step))
Spiral cable
Airbag sensor assembly
Dash wire
Column wire
WIRING DIAGRAM
DIB40-01
Page 1669 of 3115

H19243H21259H21177
D Squib
(2nd step)
Airbag
Sensor
Assembly
D2+
(-) (+) D2-
Spiral
Cable
DI-888
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
1081 Author: Date:
2004 LAND CRUISER (RM1071U)
DTC B1181/18 Open in D Squib (2nd step) Circuit
CIRCUIT DESCRIPTION
The D squib (2nd step) circuit consists of the airbag sensor assembly, the spiral cable and the steering wheel
pad. It causes the airbag to deploy when the airbag deployment conditions are satisfied.
For details of the function of each component, see OPERATION on page RS-3.
DTC B1181/18 is recorded when an open is detected in the D squib (2nd step) circuit.
DTC No.DTC Detecting ConditionTrouble Area
B1181/18
Open in D squib (2nd step) circuit
D squib (2nd step) malfunction
Spiral cable malfunction
Airbag sensor assembly malfunctionSteering wheel pad (D squib (2nd step))
Spiral cable
Airbag sensor assembly
Dash wire
Column wire
WIRING DIAGRAM
See page DI-882.
INSPECTION PROCEDURE
1 Prepare for inspection (See step 1 on page DI-923).
2 Check D squib (2nd step) circuit.
CHECK:
Measure the resistance between D2+ and D2- of the black con-
nector on the steering wheel pad (D squib (2nd step)) side be-
tween the airbag sensor assembly and the steering wheel pad
(D squib (2nd step)).
OK:
Resistance: Below 1 W
NG Go to step 6.
OK
DIB41-01