TOYOTA RAV4 2006 Service Repair Manual

RS–72SUPPLEMENTAL RESTRAINT SYSTEM – AIRBAG SYSTEM
RS
WIRING DIAGRAM
INSPECTION PROCEDURE
(a) Turn the ignition switch OFF.
(b) Disconnect the cable from the negative (-) terminal, and
wait for at least 90 seconds.
(c) Check that the connectors are properly connected to the
center airbag sensor and the front airbag sensor LH.
OK:
The connectors are properly connected.
NG
OK
1CHECK CONNECTION OF CONNECTOR
C123527E02
CONNECT CONNECTOR

SUPPLEMENTAL RESTRAINT SYSTEM – AIRBAG SYSTEMRS–73
RS
(a) Disconnect the connectors from the center airbag sensor
and the front airbag sensor LH.
(b) Using a service wire, connect A15-2 (+SL) and A15-1 (-
SL) of connector E.
NOTICE:
Do not forcibly insert a service wire into the
terminals of the connector when connecting.
(c) Measure the resistance of the wire harness side
connector.
Standard resistance
NG
OK
2CHECK FRONT AIRBAG SENSOR LH CIRCUIT (OPEN)
C128662E02
Tester Connection Specified Condition
E45-30 (+SL) - E45-28 (-SL) Below 1
Go to step 7

RS–74SUPPLEMENTAL RESTRAINT SYSTEM – AIRBAG SYSTEM
RS
(a) Disconnect the service wire from connector E.
(b) Measure the resistance of the wire harness side
connector.
Standard resistance
NG
OK
3CHECK FRONT AIRBAG SENSOR LH CIRCUIT (SHORT)
C128663E02
Tester Connection Specified Condition
E45-30 (+SL) - E45-28 (-SL) 1 M
or higher
Go to step 8

SUPPLEMENTAL RESTRAINT SYSTEM – AIRBAG SYSTEMRS–75
RS
(a) Connect the cable to the negative (-) battery terminal,
and wait for at least 2 seconds.
(b) Turn the ignition switch ON.
(c) Measure the voltage of the wire harness side
connectors.
Standard voltage
NG
OK
4CHECK FRONT AIRBAG SENSOR LH CIRCUIT (TO B+)
C128663E02
Tester Connection Specified Condition
E45-30 (+SL) - Body ground Below 1 V
E45-28 (-SL) - Body ground Below 1 V
Go to step 9

RS–76SUPPLEMENTAL RESTRAINT SYSTEM – AIRBAG SYSTEM
RS
(a) Turn the ignition switch OFF.
(b) Disconnect the cable from the negative (-) battery
terminal, and wait for at least 90 seconds.
(c) Measure the resistance of the wire harness side
connector.
Standard resistance
NG
OK
5CHECK FRONT AIRBAG SENSOR LH CIRCUIT (TO GROUND)
C128663E02
Tester Connection Specified Condition
E45-30 (+SL) - Body ground 1 M
or higher
E45-28 (-SL) - Body ground 1 M
or higher
Go to step 10

SUPPLEMENTAL RESTRAINT SYSTEM – AIRBAG SYSTEMRS–77
RS
(a) Connect the connectors to the center airbag sensor.
(b) Interchange the front airbag sensor RH and LH, and
connect the connectors to them.
(c) Connect the cable to the negative (-) battery terminal,
and wait for at least 2 seconds.
(d) Turn the ignition switch ON, and wait for at least 60
seconds.
(e) Clear the DTCs (see page RS-49).
(f) Turn the ignition switch OFF.
(g) Turn the ignition switch ON, and wait for at least 60
seconds.
(h) Check the DTCs (see page RS-49).
Result
HINT:
DTCs other than B1602/83, B1603/83, B1612/83,
B1613/83, B1607/84, B1608/84, B1617/84 and B1618/
84 may be output at this time, but they are not related to
this check.
B
C
A
6CHECK FRONT AIRBAG SENSOR LH
C128735E02
Result Proceed to
DTC B1602/83, B1603/83, B1612/83,
B1613/83, B1607/84, B1608/84, B1617/
84 and B1618/84 are not output.A
DTC B1607/84, B1608/84, B1617/84
and B1618/84 are outputB
DTC B1602/83, B1603/83, B1612/83
and B1613/83 are outputC
REPLACE CENTER AIRBAG SENSOR
ASSEMBLY
REPLACE FRONT AIRBAG SENSOR LH
USE SIMULATION METHOD TO CHECK

RS–78SUPPLEMENTAL RESTRAINT SYSTEM – AIRBAG SYSTEM
RS
(a) Disconnect the service wire from connector E.
(b) Disconnect the engine room main wire connector from
the instrument panel wire.
(c) Using a service wire, connect AE5-1 (+SL) and AE5-2 (-
SL) of connector D.
NOTICE:
Do not forcibly insert a service wire into the
terminals of the connector when connecting.
(d) Measure the resistance of the wire harness side
connector.
Standard resistance
NG
OK
7CHECK ENGINE ROOM MAIN WIRE (OPEN)
C128665E02
Tester Connection Specified Condition
A15-2 (+SL) - A15-1 (-SL) Below 1
REPAIR OR REPLACE ENGINE ROOM MAIN
WIRE
REPAIR OR REPLACE INSTRUMENT PANEL WIRE

SUPPLEMENTAL RESTRAINT SYSTEM – AIRBAG SYSTEMRS–79
RS
(a) Disconnect the engine room main wire connector from
the instrument panel wire.
(b) Measure the resistance of the wire harness side
connector.
Standard resistance
NG
OK
8CHECK ENGINE ROOM MAIN WIRE (SHORT)
C128736E02
Tester Connection Specified Condition
AE5-1 (+SL) - AE5-2 (-SL) 1 M
or higher
REPAIR OR REPLACE ENGINE ROOM MAIN
WIRE
REPAIR OR REPLACE INSTRUMENT PANEL WIRE

RS–80SUPPLEMENTAL RESTRAINT SYSTEM – AIRBAG SYSTEM
RS
(a) Turn the ignition switch OFF.
(b) Disconnect the cable from the negative (-) battery
terminal, and wait for at least 90 seconds.
(c) Disconnect the engine room main wire connector from
the instrument panel wire.
(d) Connect the cable to the negative (-) battery terminal,
and wait for at least 2 seconds.
(e) Turn the ignition switch ON.
(f) Measure the voltage of the wire harness side connector.
Standard voltage
NG
OK
9CHECK ENGINE ROOM MAIN WIRE (TO B+)
C128736E02
Tester Connection Specified Condition
AE5-1 (+SL) - Body ground Below 1 V
AE5-2 (-SL) - Body ground Below 1 V
REPAIR OR REPLACE ENGINE ROOM MAIN
WIRE
REPAIR OR REPLACE INSTRUMENT PANEL WIRE

SUPPLEMENTAL RESTRAINT SYSTEM – AIRBAG SYSTEMRS–81
RS
(a) Disconnect the engine room main wire connector from
the instrument panel wire.
(b) Measure the resistance of the wire harness side
connector.
Standard resistance
NG
OK
10CHECK ENGINE ROOM MAIN WIRE (TO GROUND)
C128736E02
Tester Connection Specified Condition
AE5-1 (+SL) - Body ground 1 M
or higher
AE5-2 (-SL) - Body ground 1 M
or higher
REPAIR OR REPLACE ENGINE ROOM MAIN
WIRE
REPAIR OR REPLACE INSTRUMENT PANEL WIRE