DESCRIPTION
The circuit for the side collision sensor LH or RH is composed of the airbag
sensor assembly, side airbag sensor assembly LH or RH and No. 2 side airbag sensor
assembly LH or RH.
The No. 2 side airbag sensor assembly LH or RH detect impacts to the vehicle
and send signals to the airbag sensor assembly to determine if the airbag should
be deployed.
DTC B1632, B1633, B1637 or B1638 is stored when a malfunction is detected in
the circuit for the side collision sensor LH or RH.
|
DTC No.
|
Detection Item
|
DTC Detection Condition
|
Trouble Area
|
Warning Indicate
|
Test Mode / Check Mode
|
|
B1692
|
Lost Communication with Side Airbag Sensor RH
|
One of the following conditions is met:
- The airbag sensor assembly detects a line short circuit signal,
open circuit signal, short circuit to ground signal or short circuit
to B+ signal in the circuit for the side collision sensor RH for 2 seconds.
- A side airbag sensor assembly RH malfunction.
- An airbag sensor assembly malfunction.
|
- No. 2 floor wire
- Front door wire RH
- Side airbag sensor assembly RH
- Airbag sensor assembly
|
Comes on
|
Not applicable
|
|
B1693
|
Side Airbag Sensor RH Initialization Incomplete
|
One of the following conditions is met:
- The airbag sensor assembly detects a line short circuit signal,
open circuit signal, short circuit to ground signal or short circuit
to B+ signal in the circuit for the side collision sensor RH for 2 seconds.
- A side airbag sensor assembly RH malfunction.
- An airbag sensor assembly malfunction.
|
- No. 2 floor wire
- Front door wire RH
- Side airbag sensor assembly RH
- Airbag sensor assembly
|
Comes on
|
Not applicable
|
|
B1697
|
Lost Communication with Side Airbag Sensor LH
|
One of the following conditions is met:
- The airbag sensor assembly detects a line short circuit signal,
open circuit signal, short circuit to ground signal or short circuit
to B+ signal in the circuit for the side collision sensor LH for 2 seconds.
- A side airbag sensor assembly LH malfunction.
- An airbag sensor assembly malfunction.
|
- floor wire
- Front door wire LH
- Side airbag sensor assembly LH
- Airbag sensor assembly
|
Comes on
|
Not applicable
|
|
B1698
|
Side Airbag Sensor LH Initialization Incomplete
|
One of the following conditions is met:
- The airbag sensor assembly detects a line short circuit signal,
open circuit signal, short circuit to ground signal or short circuit
to B+ signal in the circuit for the side collision sensor LH for 2 seconds.
- A side airbag sensor assembly LH malfunction.
- An airbag sensor assembly malfunction.
|
- floor wire
- Front door wire LH
- Side airbag sensor assembly LH
- Airbag sensor assembly
|
Comes on
|
Not applicable
|
WIRING DIAGRAM
for RH Side:  for LH Side:
CAUTION / NOTICE / HINT
NOTICE:
- After turning the ignition switch off, waiting time may be required before
disconnecting the cable from the negative (-) battery terminal. Therefore, make
sure to read the disconnecting the cable from the negative (-) battery terminal
notices before proceeding with work.
Click here 
- When disconnecting the cable from the negative (-) battery terminal while
performing repairs, some systems need to be initialized after the cable is reconnected.
Click here
PROCEDURE
(a) Turn the ignition switch off.
HINT:
If a communication error occurs, DTCs for both the LH and RH sides will be stored
simultaneously. The malfunctioning area can be identified by turning the ignition
switch off and then ON again.
(b) Turn the ignition switch to ON, and wait for at least 60 seconds.
(c) Check for DTCs.
Click here
|
Result
|
Proceed to
|
|
DTC B1692 or B1693 is output
|
A
|
|
DTC B1697 or B1698 is output
|
B
|
|
DTC B1692, B1693, B1697 and B1698 are not output
|
C
|
HINT:
Codes other than DTC B1692, B1693, B1697 and B1698 may be output at this time,
but they are not related to this check.
| B |
 |
GO TO STEP 7
|
| C |
|
USE SIMULATION METHOD TO CHECK
|
| A |
|
|
|
2.
|
CHECK CONNECTION OF CONNECTORS
|
(a) Turn the ignition switch off.
(b) Disconnect the cable from the negative (-) battery terminal, and wait for
at least 90 seconds.
(c) Check that the connectors are properly connected to the no.2 side airbag
sensor assembly RH and side airbag sensor assembly RH.
OK:
The connectors are properly connected.
| NG |
|
CONNECT CONNECTOR PROPERLY
|
| OK |
|
|
|
(a) Disconnect the connectors from the side airbag sensor assembly RH and No.
2 side airbag sensor assembly RH.
|
(b) Check that the connectors (on the side airbag sensor assembly RH
side and no.2 side airbag sensor assembly RH side) are not damaged.
OK:
The connector is not deformed or damaged.
|
|
|
*1
|
Side Airbag Sensor Assembly RH
|
|
*2
|
No. 2 Side Airbag Sensor Assembly RH
|
|
*3
|
Front Door Wire RH
|
|
*4
|
No. 2 Floor Wire
|
|
|
| NG |
|
REPLACE FRONT DOOR WIRE RH OR NO.2 FLOOR WIRE
|
| OK |
|
|
|
|
4.
|
CHECK SIDE AIRBAG SENSOR ASSEMBLY RH CIRCUIT
|
|
(a) Connect the cable to the negative (-) battery terminal, and wait
for at least 2 seconds.
|
|
|
*1
|
Side Airbag Sensor Assembly RH
|
|
*2
|
No. 2 Side Airbag Sensor Assembly RH
|
|
*3
|
Front Door Wire RH
|
|
*4
|
No. 2 Floor Wire
|
|
*5
|
Service Wire
|
|
*a
|
Front view of wire harness connector
(to Side Airbag Sensor Assembly RH)
|
|
*b
|
Front view of wire harness connector
(to No. 2 Side Airbag Sensor Assembly RH)
|
|
|
(b) Turn the ignition switch to ON.
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection
|
Switch Condition
|
Specified Condition
|
|
M9-2 (BCR+) - Body ground
|
Ignition switch ON
|
Below 1 V
|
|
M9-1 (BCR-) - Body ground
|
Ignition switch ON
|
Below 1 V
|
(d) Turn the ignition switch off.
(e) Disconnect the cable from the negative (-) battery terminal, and wait for
at least 90 seconds.
(f) Using a service wire, connect terminals 1 (BCR+) and 2 (BCR-) of connector
B.
NOTICE:
Do not forcibly insert the service wire into the terminals of the connector when
connecting a service wire.
(g) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection
|
Condition
|
Specified Condition
|
|
M9-2 (BCR+) - M9-1 (BCR-)
|
Always
|
Below 1 Ω
|
(h) Disconnect the service wire from connector B.
(i) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection
|
Condition
|
Specified Condition
|
|
M9-2 (BCR+) - M9-1 (BCR-)
|
Always
|
1 MΩ or higher
|
|
M9-2 (BCR+) - Body ground
|
Always
|
1 MΩ or higher
|
|
M9-1 (BCR-) - Body ground
|
Always
|
1 MΩ or higher
|
| NG |
|
GO TO STEP 6
|
| OK |
|
|
|
|
5.
|
CHECK SIDE AIRBAG SENSOR ASSEMBLY RH
|
|
(a) Connect the connectors to the No. 2 side airbag sensor assembly RH.
|
|
|
*1
|
Side Airbag Sensor Assembly LH
|
|
*2
|
No. 2 Side Airbag Sensor Assembly RH
|
|
|
(b) Interchange the side airbag sensor assembly RH with 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 to ON, and wait for at least 60 seconds.
(e) Clear the DTCs.
Click here
(f) Turn the ignition switch off.
(g) Turn the ignition switch to ON, and wait for at least 60 seconds.
(h) Check for DTCs.
Click here
|
Result
|
Proceed to
|
|
DTC B1692 or B1693 is output
|
A
|
|
DTC B1697 or B1698 is output
|
B
|
|
DTC B1692, B1693, B1697 and B1698 are not output
|
C
|
HINT:
Codes other than DTC B1692, B1693, B1697 and B1698 may be output at this time,
but they are not related to this check.
(i) Turn the ignition switch off.
(j) Disconnect the cable from the negative (-) battery terminal, and wait for
at least 90 seconds.
(k) Return the side airbag sensor assembly LH and RH to their original positions
and connect the connectors to them.
| A |
|
REPLACE AIRBAG SENSOR ASSEMBLY
|
| B |
|
REPLACE SIDE AIRBAG SENSOR ASSEMBLY RH
|
| C |
|
USE SIMULATION METHOD TO CHECK
|
|
6.
|
CHECK NO. 2 FLOOR WIRE
|
|
(a) Disconnect the No. 2 floor wire connector from the front door wire
RH.
|
|
|
*1
|
Side Airbag Sensor Assembly RH
|
|
*2
|
No. 2 Side Airbag Sensor Assembly RH
|
|
*3
|
Front Door Wire RH
|
|
*4
|
No. 2 Floor Wire
|
|
*5
|
Service Wire
|
|
*a
|
Front view of wire harness connector
(to Front Door Wire RH)
|
|
*b
|
Front view of wire harness connector
(to No. 2 Side Airbag Sensor Assembly RH)
|
|
|
(b) Connect the cable to the negative (-) battery terminal, and wait for at least
2 seconds.
(c) Turn the ignition switch to ON.
(d) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection
|
Switch Condition
|
Specified Condition
|
|
MQ1-2 (BCR+) - Body ground
|
Ignition switch ON
|
Below 1 V
|
|
MQ1-1 (BCR-) - Body ground
|
Ignition switch ON
|
Below 1 V
|
(e) Turn the ignition switch off.
(f) Disconnect the cable from the negative (-) battery terminal, and wait for
at least 90 seconds.
(g) Using a service wire, connect terminals 1 (BCR+) and 2 (BCR-) of connector
B.
NOTICE:
Do not forcibly insert the service wire into the terminals of the connector when
connecting a service wire.
(h) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection
|
Condition
|
Specified Condition
|
|
MQ1-2 (BCR+) - MQ1-1 (BCR-)
|
Always
|
Below 1 Ω
|
(i) Disconnect the service wire from connector B.
(j) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection
|
Condition
|
Specified Condition
|
|
MQ1-2 (BCR+) - MQ1-1 (BCR-)
|
Always
|
1 MΩ or higher
|
|
MQ1-2 (BCR+) - Body ground
|
Always
|
1 MΩ or higher
|
|
MQ1-1 (BCR-) - Body ground
|
Always
|
1 MΩ or higher
|
| OK |
|
REPLACE FRONT DOOR WIRE RH
|
| NG |
|
REPLACE NO. 2 FLOOR WIRE
|
|
7.
|
CHECK CONNECTION OF CONNECTORS
|
(a) Turn the ignition switch off.
(b) Disconnect the cable from the negative (-) battery terminal, and wait for
at least 90 seconds.
(c) Check that the connectors are properly connected to the no.2 side airbag
sensor assembly LH and side airbag sensor assembly LH.
OK:
The connectors are properly connected.
| NG |
|
CONNECT CONNECTOR PROPERLY
|
| OK |
|
|
|
(a) Disconnect the connectors from the side airbag sensor assembly LH and No.
2 side airbag sensor assembly LH.
|
(b) Check that the connectors (on the side airbag sensor assembly LH
side and no.2 side airbag sensor assembly LH side) are not damaged.
OK:
The connector is not deformed or damaged.
|
|
|
*1
|
Side Airbag Sensor Assembly LH
|
|
*2
|
No. 2 Side Airbag Sensor Assembly LH
|
|
*3
|
Front Door Wire LH
|
|
*4
|
Floor Wire
|
|
|
| NG |
|
REPLACE FRONT DOOR WIRE LH OR FLOOR WIRE
|
| OK |
|
|
|
|
9.
|
CHECK SIDE AIRBAG SENSOR ASSEMBLY LH CIRCUIT
|
|
(a) Connect the cable to the negative (-) battery terminal, and wait
for at least 2 seconds.
|
|
|
*1
|
Side Airbag Sensor Assembly LH
|
|
*2
|
No. 2 Side Airbag Sensor Assembly LH
|
|
*3
|
Front Door Wire LH
|
|
*4
|
Floor Wire
|
|
*5
|
Service Wire
|
|
*a
|
Front view of wire harness connector
(to Side Airbag Sensor Assembly LH)
|
|
*b
|
Front view of wire harness connector
(to No. 2 Side Airbag Sensor Assembly LH)
|
|
|
(b) Turn the ignition switch to ON.
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection
|
Switch Condition
|
Specified Condition
|
|
N11-2 (BCL+) - Body ground
|
Ignition switch ON
|
Below 1 V
|
|
N11-1 (BCL-) - Body ground
|
Ignition switch ON
|
Below 1 V
|
(d) Turn the ignition switch off.
(e) Disconnect the cable from the negative (-) battery terminal, and wait for
at least 90 seconds.
(f) Using a service wire, connect terminals 1 (BCL+) and 2 (BCL-) of connector
B.
NOTICE:
Do not forcibly insert the service wire into the terminals of the connector when
connecting a service wire.
(g) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection
|
Condition
|
Specified Condition
|
|
N11-2 (BCL+) - N11-1 (BCL-)
|
Always
|
Below 1 Ω
|
(h) Disconnect the service wire from connector B.
(i) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection
|
Condition
|
Specified Condition
|
|
N11-2 (BCL+) - N11-1 (BCL-)
|
Always
|
1 MΩ or higher
|
|
N11-2 (BCL+) - Body ground
|
Always
|
1 MΩ or higher
|
|
N11-1 (BCL-) - Body ground
|
Always
|
1 MΩ or higher
|
| NG |
|
GO TO STEP 11
|
| OK |
|
|
|
|
10.
|
CHECK SIDE AIRBAG SENSOR ASSEMBLY LH
|
|
(a) Connect the connectors to the No. 2 side airbag sensor assembly LH.
|
|
|
|
*1
|
Side Airbag Sensor Assembly RH
|
|
*2
|
No. 2 Side Airbag Sensor Assembly LH
|
|
|
(b) Interchange the side airbag sensor assembly LH with RH 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 to ON, and wait for at least 60 seconds.
(e) Clear the DTCs.
Click here
(f) Turn the ignition switch off.
(g) Turn the ignition switch to ON, and wait for at least 60 seconds.
(h) Check for DTCs.
Click here
|
Result
|
Proceed to
|
|
DTC B1692 or B1693 is output
|
A
|
|
DTC B1697 or B1698 is output
|
B
|
|
DTC B1692, B1693, B1697 and B1698 are not output
|
C
|
HINT:
Codes other than DTC B1692, B1693, B1697 and B1698 may be output at this time,
but they are not related to this check.
(i) Turn the ignition switch off.
(j) Disconnect the cable from the negative (-) battery terminal, and wait for
at least 90 seconds.
(k) Return the side airbag sensor assembly RH and LH to their original positions
and connect the connectors to them.
| A |
|
REPLACE SIDE AIRBAG SENSOR ASSEMBLY LH
|
| B |
|
REPLACE AIRBAG SENSOR ASSEMBLY
|
| C |
|
USE SIMULATION METHOD TO CHECK
|
|
(a) Disconnect the floor wire connector from the front door wire LH.
|
 |
|
*1
|
Side Airbag Sensor Assembly LH
|
|
*2
|
No.2 Side Airbag Sensor Assembly LH
|
|
*3
|
Front Door Wire LH
|
|
*4
|
Floor Wire
|
|
*5
|
Service Wire
|
|
*a
|
Front view of wire harness connector
(to Front Door Wire LH)
|
|
*b
|
Front view of wire harness connector
(to Side Airbag Sensor Assembly LH)
|
|
|
(b) Connect the cable to the negative (-) battery terminal, and wait for at least
2 seconds.
(c) Turn the ignition switch to ON.
(d) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection
|
Switch Condition
|
Specified Condition
|
|
PN1-2 (BCL+) - Body ground
|
Ignition switch ON
|
Below 1 V
|
|
PN1-1 (BCL-) - Body ground
|
Ignition switch ON
|
Below 1 V
|
(e) Turn the ignition switch off.
(f) Disconnect the cable from the negative (-) battery terminal, and wait for
at least 90 seconds.
(g) Using a service wire, connect terminals 1 (BCL+) and 2 (BCL-) of connector
B.
NOTICE:
Do not forcibly insert the service wire into the terminals of the connector when
connecting a service wire.
(h) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection
|
Condition
|
Specified Condition
|
|
PN1-2 (BCL+) - PN1-1 (BCL-)
|
Always
|
Below 1 Ω
|
(i) Disconnect the service wire from connector B.
(j) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection
|
Condition
|
Specified Condition
|
|
PN1-2 (BCL+) - PN1-1 (BCL-)
|
Always
|
1 MΩ or higher
|
|
PN1-2 (BCL+) - Body ground
|
Always
|
1 MΩ or higher
|
|
PN1-1 (BCL-) - Body ground
|
Always
|
1 MΩ or higher
|
| OK |
|
REPLACE FRONT DOOR WIRE LH
|
| NG |
|
REPLACE FLOOR WIRE
|
| 
