o2 sensor TOYOTA HIGHLANDER 2001 Service Repair Manual
[x] Cancel search | Manufacturer: TOYOTA, Model Year: 2001, Model line: HIGHLANDER, Model: TOYOTA HIGHLANDER 2001Pages: 2572, PDF Size: 34.8 MB
Page 1159 of 2572
H43058
Airbag Sensor Assy Center
C19
Curtain Shield Squib RH
8
A18
ICR+
7
A18ICR- 1
22
Y
(*1 *3)Y
1
BK2 Y-B Y-B(*1 *3)
(*1 *3) (*1 *3)BK2
*1: w/ Rear Seat Entertainment System
*2: w/o Rear Seat Entertainment System
*3: w/ Curtain Shield Airbag
*4: w/o Curtain Shield AirbagY
(*2 *3)
Y-B
(*2 *3) 05-1376
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
1566 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
DTC B1160/83 SHORT IN CURTAIN SHIELD SQUIB (RH)
CIRCUIT
CIRCUIT DESCRIPTION
The curtain shield squib RH circuit consists of the airbag sensor assy center and the curtain shield airbag
assy RH.
The circuit instructs the SRS to deploy when deployment conditions are met.
DTC B1160/83 is recorded when a short circuit is detected in the curtain shield squib RH circuit.
DTC No.DTC Detecting ConditionTrouble Area
B1160/83
Short circuit between ICR+ wire harness and ICR- wire
harness of curtain shield squib RH
Curtain shield squib RH malfunction
Airbag sensor assy center malfunctionCurtain shield airbag assy RH (Curtain shield squib RH)
Airbag sensor assy center
Floor wire
Roof wire No.2 (w/ Rear seat entertainment system)
WIRING DIAGRAM
05IVW-02
Page 1160 of 2572
H41465H41465H43068
Curtain Shield
Squib RHAirbag
Sensor
Assy
Center Floor Wire
A
B C D
ICR+ ICR-C19
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
05-1377
1567 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
INSPECTION PROCEDURE
1 CHECK VEHICLE CONDITION
(a) Check whether or not the vehicle is equipped with the rear seat entertainment system.
Result:
A: w/o Rear seat entertainment system
B: w/ Rear seat entertainment system
B Go to step 6
A
2 CHECK CONNECTOR
(a) Turn the ignition switch to the LOCK position.
(b) Disconnect the negative (-) terminal cable from the battery, and wait for at least for 90 seconds.
(c) Disconnect the connectors from the curtain shield airbag assy RH.
(d) Check that the floor wire connector (on the curtain shield airbag assy RH side) is not damaged.
OK:
The lock button is not disengaged, or the claw of the lock is not deformed or damaged.
B REPAIR OR REPLACE FLOOR WIRE
A
3 CHECK FLOOR WIRE(CURTAIN SHIELD SQUIB RH CIRCUIT)
(a) Disconnect the connector from the airbag sensor assy
center.
(b) Release the activation prevention mechanism built into
connector ºBº (see page 05-1207).
(c) Measure the resistance according to the value(s) in the
table below.
Standard:
Tester connectionConditionSpecified condition
C19-1 (ICR+) -
C19-2 (ICR-)Always1 MW or Higher
NG REPAIR OR REPLACE FLOOR WIRE
OK
Page 1161 of 2572
H01020
H10600 H11644H01020
H10600 H11644H40956
Curtain Shield
Squib RH
DLC3
TC CG
DTC B1160/83 Airbag
Sensor
Assy
Center
DC
05-1378
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
1568 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
4 CHECK AIR BAG SENSOR ASSY CENTER
(a) Connect the connector to the airbag sensor assy center.
(b) Connect the negative (-) terminal cable to the battery,
and wait for at least 2 seconds.
(c) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
(d) Clear the DTCs stored in memory (see page 05-1215).
(e) Turn the ignition switch to the LOCK position.
(f) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
(g) Check the DTCs (see page 05-1215).
OK:
DTC B1160/83 is not output.
HINT:
Codes other than code B1160/83 may be output at this time, but
they are not related to this check.
NG REPLACE AIR BAG SENSOR ASSY CENTER
(SEE PAGE 60-53)
OK
Page 1162 of 2572
H01021
H10600 H11644H01021
H10600 H11644H40931
Airbag
Sensor
Assy
Center Curtain Shield
Squib RH
DLC3
TC
CG
DTC B1160/83 DC
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
05-1379
1569 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
5 CHECK CURTAIN SHIELD AIR BAG ASSY RH(CURTAIN SHIELD SQUIB RH)
(a) Turn the ignition switch to the LOCK position.
(b) Cconnect the negative (-) terminal cable from the battery,
and wait for at least 90 seconds.
(c) Connect the connector to the curtain shield airbag assy
RH.
(d) Connect the negative (-) terminal cable to the battery,
and wait for at least 2 seconds.
(e) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
(f) Clear the DTCs stored in memory (see page 05-1215).
(g) Turn the ignition switch to the LOCK position.
(h) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
(i) Check the DTCs (see page 05-1215).
OK:
DTC B1160/83 is not output.
HINT:
Codes other than code B1160/83 may be output at this time, but
they are not related to this check.
NG REPLACE CURTAIN SHIELD AIR BAG ASSY RH
(SEE PAGE 60-38)
OK
USE SIMULATION METHOD TO CHECK
HINT:
Before performing the simulation method, check that the airbag sensor assy center is in check mode
(see page 05-1218).
Perform the simulation method by selecting the check mode with the hand-held tester (see page
05-1218).
After selecting the check mode, perform the simulation method by wiggling each connector of the air-
bag system or driving the vehicle on a city or rough road (see page 05-1218).
Page 1163 of 2572
H42818H43068H42818H43068H43091
Curtain Shield
Squib RHAirbag
Sensor
Assy
Center
A
B
FE
ICR+
ICR- DC
C19
05-1380
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
1570 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
6 CHECK CONNECTOR
(a) Turn the ignition switch to the ON position.
(b) Disconnect the negative (-) terminal cable from the battery, and wait for at least for 90 seconds.
(c) Disconnect the connectors from the curtain shield airbag assy RH.
(d) Check that the roof wire No.2 connector (on the curtain shield airbag assy RH side) is not damaged.
OK:
The lock button is not disengaged, or the claw of the lock is not deformed or damaged.
NG REPAIR OR REPLACE ROOF WIRE NO.2
OK
7 CHECK CURTAIN SHIELD SQUIB (RH) CIRCUIT
(a) Disconnect the connector from the airbag sensor assy
center.
(b) Release the activation prevention mechanism built into
connector ºBº (see page 05-1207).
(c) Measure the resistance according to the value(s) in the
table below.
Standard:
Tester connectionConditionSpecified condition
C19-1 (ICR+) -
C19-2 (ICR-)Always1 MW or Higher
NG Go to step 10
OK
Page 1164 of 2572
H10600 H11644H43101H10600 H11644H43101H43124
Curtain Shield
Squib RHAirbag
Sensor
Assy
Center
FE
DLC3
TC CG
DTC B1160/83 DC
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
05-1381
1571 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
8 CHECK AIR BAG SENSOR ASSY CENTER
(a) Connect the connector to the airbag sensor assy center.
(b) Connect the negative (-) terminal cable to the battery,
and wait for at least 2 seconds.
(c) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
(d) Clear the DTCs stored in memory (see page 05-1215).
(e) Turn the ignition switch to the LOCK position.
(f) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
(g) Check the DTCs (see page 05-1215).
OK:
DTC B1160/83 is not output.
HINT:
Codes other than code B1160/83 may be output at this time, but
they are not related to this check.
NG REPLACE AIR BAG SENSOR ASSY CENTER
(SEE PAGE 60-53)
OK
Page 1165 of 2572
H40931H42819H40931H42819H43092
Airbag
Sensor
Assy
Center
DLC3
TC CG
DTC B1160/83 Curtain Shield
Squib RH
DC
FE
05-1382
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
1572 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
9 CHECK CURTAIN SHIELD AIR BAG ASSY RH
(a) Turn the ignition switch to the LOCK position.
(b) Disconnect the negative (-) terminal cable from the bat-
tery, and wait for at least 90 seconds.
(c) Connect the connector to the curtain shield airbag assy
RH.
(d) Connect the negative (-) terminal cable to the battery,
and wait for at least 2 seconds.
(e) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
(f) Clear the DTCs stored in memory (see page 05-1215).
(g) Turn the ignition switch to the LOCK position.
(h) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
(i) Check the DTCs (see page 05-1215).
OK:
DTC B1160/83 is not output.
HINT:
Codes other than code B1160/83 may be output at this time, but
they are not related to this check.
NG REPLACE CURTAIN SHIELD AIR BAG ASSY RH
(SEE PAGE 60-38)
OK
USE SIMULATION METHOD TO CHECK
HINT:
Before performing the simulation method, check that the airbag sensor assy center is in check mode
(see page 05-1218).
Perform the simulation method by selecting the check mode with the hand-held tester (see page
05-1218).
After selecting the check mode, perform the simulation method by wiggling each connector of the air-
bag system or driving the vehicle on a city or rough road (see page 05-1218).
Page 1166 of 2572
H42820H42497H42820H42497H42847
Curtain
Shield
Squib RHAirbag
Sensor
Assy
Center Floor Wire
A
B DC
ICR+ ICR-FERoof Wire No.2
BK2
H42821C89244H42821C89244H43067
Roof Wire No.2
Airbag
Sensor
Assy
Center Floor Wire
A
B DC E
F
ICR+ ICR-
Curtain
Shield
Squib RH
C19
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
05-1383
1573 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
10 CHECK FLOOR WIRE
(a) Disconnect the floor wire connector from the roof wire
No.2.
HINT:
The activation prevention mechanism of connector ºBº has al-
ready been released.
(b) Measure the resistance according to the value(s) in the
table below.
Standard:
Tester connectionConditionSpecified condition
BK2-2 (ICR+) -
BK2-1 (ICR-)Always1 MW or Higher
NG REPAIR OR REPLACE FLOOR WIRE
OK
11 CHECK ROOF WIRE NO.2
(a) Release the activation prevention mechanism built into
connector ºDº (see page 05-1207).
(b) Measure the resistance according to the value(s) in the
table below.
Standard:
Tester connectionConditionSpecified condition
C19-1 (ICR+) -
C19-2 (ICR-)Always1 MW or Higher
NG REPAIR OR REPLACE ROOF WIRE NO.2
OK
USE SIMULATION METHOD TO CHECK
HINT:
Before performing the simulation method, check that the airbag sensor assy center is in check mode
(see page 05-1218).
Perform the simulation method by selecting the check mode with the hand-held tester (see page
05-1218).
After selecting the check mode, perform the simulation method by wiggling each connector of the air-
bag system or driving the vehicle on a city or rough road (see page 05-1218).
Page 1167 of 2572
H41465H41465H43068
Curtain Shield
Squib RHAirbag
Sensor
Assy
Center Floor Wire
A
B
DC
ICR+
ICR- C19
05-1384
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
1574 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
DTC B1161/84 OPEN IN CURTAIN SHIELD SQUIB (RH)
CIRCUIT
CIRCUIT DESCRIPTION
The curtain shield squib RH circuit consists of the airbag sensor assy center and the curtain shield airbag
assy RH.
The circuit instructs the SRS to deploy when deployment conditions are met.
DTC B1161/84 is recorded when an open circuit is detected in the curtain shield squib RH circuit.
DTC No.DTC Detecting ConditionTrouble Area
B1161/84
Open circuit in ICR+ wire harness or ICR- wire harness of
curtain shield squib RH
Curtain shield squib RH malfunction
Airbag sensor assy center malfunctionCurtain shield airbag assy RH (Curtain shield squib RH)
Airbag sensor assy center
Floor wire
Roof wire No.2 (w/ Rear seat entertainment system)
WIRING DIAGRAM
see page 05-1376.
INSPECTION PROCEDURE
1 CHECK VEHICLE CONDITION
(a) Check whether or not the vehicle is equipped with the rear seat entertainment system.
Result:
A: w/o Rear seat entertainment system
B: w/ Rear seat entertainment system
B Go to step 5
A
2 CHECK FLOOR WIRE(CURTAIN SHIELD SQUIB RH CIRCUIT)
(a) Turn the ignition switch to the LOCK position.
(b) Disconnect the negative (-) terminal cable from the bat-
tery, and wait for at least 90 seconds.
(c) Disconnect the connectors from the airbag sensor assy
center and the curtain shield airbag assy RH.
(d) Measure the resistance according to the value(s) in the
table below.
Standard:
Tester connectionConditionSpecified condition
C19-1 (ICR+) -
C19-2 (ICR-)AlwaysBelow 1 W
NG REPAIR OR REPLACE FLOOR WIRE
OK
05IVX-01
Page 1168 of 2572
H01020
C89252
H11645 H10600
H01020
C89252
H11645 H10600H42129
Curtain Shield
Squib RHAirbag
Sensor
Assy
Center
DLC3
CG TCDTC B1161/84
Floor Wire
Service Wire
ICR+ICR-
DC
C19
- DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
05-1385
1575 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
3 CHECK AIR BAG SENSOR ASSY CENTER
(a) Connect the connector to the airbag sensor assy center.
(b) Using a service wire, connect C19-1 (ICR+) and C19-2
(ICR-) of connector ºCº.
NOTICE:
Twist the end of the service wire in order to insert it
into the connector.
Do not forcibly insert the twisted service wire into the
terminals of the connector when connecting.
(c) Connect the negative (-) terminal cable to the battery,
and wait for at least 2 seconds.
(d) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
(e) Clear the DTCs stored in memory (see page 05-1215).
(f) Turn the ignition switch to the LOCK position.
(g) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
(h) Check the DTCs (see page 05-1215).
OK:
DTC B1161/84 is not output.
HINT:
Codes other than code B1161/84 may be output at this time, but
they are not related to this check.
NG REPLACE AIR BAG SENSOR ASSY CENTER
(SEE PAGE 60-53)
OK