|
Input signal from the
passenger’s seat belt switch is used to operate the
seat
belt warning buzzer function and seat belt warning lamp. If
the signal is abnormal, the seat
belt warning buzzer function and seat belt warning lamp will
not work normally.
|
|
- Malfunction of the passenger’s seat belt
switch
- Malfunction of the seat occupancy sensor
- Malfunction of the ETACS-ECU
- Damaged harness wires and connectors
|
![](../../../img/54/AC313427AO00ENG.png)
|
Q.
Is the check result normal?
Go to Step
2.
Repair
the defective connector.
|
|
Refer to GROUP 52A - Front
seat belt .
|
|
Q.
Is the check result normal?
|
|
Replace the inner
seat belt (front passenger’s side).
|
|
|
![](../../../img/54/AC313233AC00ENG.png)
|
Q.
Is the check result normal?
Go to Step
4.
Repair
the defective connector.
|
|
Refer to GROUP 52A - Front
seat .
|
|
Q.
Is the check result normal?
|
|
Replace the seat
occupancy sensor.
|
|
|
![](../../../img/54/AC313233AC00ENG.png)
|
(1)Disconnect the connector, and
measure at the wiring harness side.
|
![](../../../img/54/AC301541IC00ENG.png)
|
(2)Resistance between D-23-1 seat
occupancy sensor connector terminal No.3 and body
earth OK: 2 Ω or less
Q.
Is the check result normal?
Go to Step
7.
Go to Step
6.
|
![](../../../img/54/AC313233AC00ENG.png)
|
- Check the earth wires for open circuit.
Q.
Is the check result normal?
Replace the inner
seat belt (front passenger’s side).
Repair the wiring
harness.
|
![](../../../img/54/AC313410AF00ENG.png)
|
Q.
Is the check result normal?
Go to Step
8.
Repair
the defective connector.
|
![](../../../img/54/AC313406BA00ENG.png)
|
note |
Prior to the wiring harness
inspection, check intermediate connector C-16,
and repair
if necessary.
|
- Check the input line for open circuit.
Q.
Is the check result normal?
Go to Step
9.
Repair
the wiring harness or replace the inner seat belt (front
passenger’s
side).
|
|
Check that the passenger’s
seat belt switch signal is received normally.
|
|
Q.
Is the check result normal?
|
|
Intermittent
malfunction. (Refer to GROUP 00 - How to Cope with
Intermittent
Malfunction ).
|
|
|