Airbag System Trouble In Passenger Airbag On/Off Indicator
Restraints. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK SRS WARNING LIGHT
CHECK CONNECTOR
INSPECT AIRBAG CUT-OFF SWITCH
CHECK INSTRUMENT PANEL WIRE (FOR OPEN)
CHECK INSTRUMENT PANEL WIRE (FOR SHORT)
CHECK INSTRUMENT PANEL WIRE (TO B+)
CHECK INSTRUMENT PANEL WIRE (TO GROUND)
AIRBAG SYSTEM - Trouble in Passenger Airbag ON/OFF Indicator |
DESCRIPTION
When the airbag cut-off switch is turned off, the passenger airbag OFF indicator illuminates. When the passenger airbag OFF indicator illuminates, both the front passenger airbag and the front passenger side front seat side airbag stop functioning.
WIRING DIAGRAM
INSPECTION PROCEDURE
1.CHECK SRS WARNING LIGHT |
Turn the ignition switch on (IG), and check the SRS warning light condition.
- OK:
- The SRS warning light does not come on.
Turn the ignition switch off.
Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.
Check that the connectors are properly connected to the center airbag sensor and the airbag cut-off switch.
- OK:
- The connectors are properly connected.
3.INSPECT AIRBAG CUT-OFF SWITCH |
Disconnect the E68 passenger airbag manual cut-off switch connector.
Measure the resistance of the wire harness side connector.
- Standard resistance:
Tester Connection
| Switch Condition
| Specified Condition
|
1 (PMC-) - 2 (PMC+)
| OFF
| 80 to 120 Ω
|
1 (PMC-) - 2 (PMC+)
| ON
| 320 to 480 Ω
|
| REPLACE AIRBAG CUT-OFF SWITCH |
|
|
4.CHECK INSTRUMENT PANEL WIRE (FOR OPEN) |
Disconnect the instrument panel wire connector from the airbag cut-off switch.
Using a service wire, connect E68-1 (PMC-) and E68-2 (PMC+) of connector C.
- NOTICE:
- Do not forcibly insert the service wire into the terminals of the connector when connecting.
Measure the resistance of the wire harness side connector.
- Standard resistance:
Tester Connection
| Specified Condition
|
E49-11 (MSW+) - E49-12 (MSW-)
| Below 1 Ω
|
| REPAIR OR REPLACE INSTRUMENT PANEL WIRE |
|
|
5.CHECK INSTRUMENT PANEL WIRE (FOR SHORT) |
Disconnect the service wire from connector C.
Measure the resistance of the wire harness side connector.
- Standard resistance:
Tester Connection
| Specified Condition
|
E49-11 (MSW+) - E49-12 (MSW-)
| 1 MΩ or higher
|
| REPAIR OR REPLACE INSTRUMENT PANEL WIRE |
|
|
6.CHECK INSTRUMENT PANEL WIRE (TO B+) |
Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.
Turn the ignition switch on (IG).
Measure the voltage of the wire harness side connector.
- Standard voltage:
Tester Connection
| Specified Condition
|
E49-11 (MSW+)- Body ground
| Below 1 V
|
E49-12 (MSW-) - Body ground
| Below 1 V
|
| REPAIR OR REPLACE INSTRUMENT PANEL WIRE |
|
|
7.CHECK INSTRUMENT PANEL WIRE (TO GROUND) |
Turn the ignition switch off.
Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.
Measure the resistance of the wire harness side connector.
- Standard resistance:
Tester Connection
| Specified Condition
|
E49-11 (MSW+) - Body ground
| 1 MΩ or higher
|
E49-12 (MSW-) - Body ground
| 1 MΩ or higher
|
| REPAIR OR REPLACE INSTRUMENT PANEL WIRE |
|
|
OK |
|
|
|
REPLACE CENTER AIRBAG SENSOR ASSEMBLY |
|