Airbag System (to 12/2010)
SUPPLEMENTAL RESTRAINT SYSTEM: AIRBAG SYSTEM: B1660/43: Passenger Airbag ON/OFF Indicator Circuit Malfunction
B1660/43 - Passenger Airbag ON/OFF Indicator Circuit Malfunction
DESCRIPTION
The passenger airbag ON/OFF indicator circuit consists of the center airbag sensor assembly and air conditioning control assembly.
This circuit indicates the operation condition of the front passenger airbag, front seat side airbag RH and front seat belt pretensioner RH.
DTC B1660/43 is recorded when a malfunction is detected in the passenger airbag ON/OFF indicator circuit.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1. CHECK PASSENGER AIRBAG ON / OFF INDICATOR OPERATION
(a) Turn the ignition switch on (IG).
(b) Check the passenger airbag ON/OFF indicator operation.
HINT
Refer to the normal condition of the passenger airbag ON/OFF indicator Diagnosis System.
Result
B -- CHECK CONNECTORS
A -- Continue to next step.
2. CHECK CONNECTORS
(a) Turn the ignition switch off.
(b) Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
(c) Check that the connectors are properly connected to the center airbag sensor assembly and air conditioning control assembly.
OK:
The connectors are properly connected.
HINT
If the connectors are not connected securely, reconnect the connectors and proceed to the next inspection.
(d) Disconnect the connectors from the center airbag sensor assembly and air conditioning control assembly.
(e) Check that the terminals of connectors are not damaged.
OK:
The terminals are not deformed or damaged.
NG -- REPAIR OR REPLACE INSTRUMENT PANEL WIRE
OK -- Continue to next step.
3. CHECK AIR CONDITIONING CONTROL ASSEMBLY (PASSENGER AIRBAG ON / OFF INDICATOR)
(a) Connect the connector to the air conditioning control assembly.
(b) Connect the negative (-) terminal cable to the battery, and wait for at least 2 seconds.
(c) Turn the ignition switch on (IG).
(d) Check the passenger airbag ON/OFF indicator operation.
OK:
The passenger airbag ON/OFF indicator does not come on.
NG -- CHECK INSTRUMENT PANEL WIRE (SHORT TO GROUND)
OK -- Continue to next step.
4. CHECK CENTER AIRBAG SENSOR ASSEMBLY
(a) Turn the ignition switch off.
(b) Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
(c) Connect the connectors to the center airbag sensor assembly and air conditioning control assembly.
(d) Connect the negative (-) terminal cable to the battery, and wait for at least 2 seconds.
(e) Turn the ignition switch on (IG), and wait for at least 60 seconds.
(f) Clear the DTCs stored in memory DTC Check / Clear (to 12/2010).
(g) Turn the ignition switch off.
(h) Turn the ignition switch on (IG), and wait for at least 60 seconds.
(i) Check the DTCs DTC Check / Clear (to 12/2010).
OK:
DTC B1660/43 is not output.
HINT
Codes other than DTC B1660/43 may be output at this time, but they are not related to this check.
NG -- REPLACE CENTER AIRBAG SENSOR ASSEMBLY
OK -- USE SIMULATION METHOD TO CHECK
5. CHECK INSTRUMENT PANEL WIRE (SHORT TO GROUND)
(a) Turn the ignition switch off.
(b) Disconnect the negative (-) terminal cable form the battery, and wait for at least 90 seconds.
(c) Disconnect the connectors from the air conditioning control assembly.
(d) Measure the resistance according to the value(s) in the table below.
Standard resistance:
NG -- REPAIR OR REPLACE INSTRUMENT PANEL WIRE
OK -- Continue to next step.
6. CHECK INSTRUMENT PANEL WIRE (SHORT)
(a) Measure the resistance according to the value(s) in the table below.
Standard resistance:
NG -- REPAIR OR REPLACE INSTRUMENT PANEL WIRE
OK -- Continue to next step.
7. CHECK INSTRUMENT PANEL WIRE (OPEN)
(a) Using a service wire, connect D59-23 (PAON) and D59-17 (P-AB) of connector B.
NOTICE:
Do not forcibly insert a service wire into the terminals of connector when connecting.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:
NG -- REPAIR OR REPLACE INSTRUMENT PANEL WIRE
OK -- Continue to next step.
8. CHECK INSTRUMENT PANEL WIRE (SHORT TO B+)
(a) Disconnect the service wire from connector B.
(b) Connect the negative (-) terminal cable to the battery, and wait for at least 2 seconds.
(c) Turn the ignition switch on (IG).
(d) Measure the voltage according to the value(s) in the table below.
Standard voltage:
NG -- REPAIR OR REPLACE INSTRUMENT PANEL WIRE
OK -- REPLACE AIR CONDITIONING CONTROL ASSEMBLY
9. CHECK CONNECTORS
(a) Turn the ignition switch off.
(b) Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
(c) Check that the connectors are properly connected to the center airbag sensor assembly and air conditioning control assembly.
OK:
The connectors are properly connected.
HINT
If the connectors are not connected securely, reconnect the connectors and proceed to the next inspection.
(d) Disconnect the connectors from the center airbag sensor assembly and air conditioning control assembly.
(e) Check that the terminals of connectors are not damaged.
OK:
The terminals are not deformed or damaged.
NG -- REPAIR OR REPLACE INSTRUMENT PANEL WIRE
OK -- Continue to next step.
10. CHECK INSTRUMENT PANEL WIRE (SHORT TO GROUND)
(a) Measure the resistance according to the value(s) in the table below.
Standard resistance:
NG -- REPAIR OR REPLACE INSTRUMENT PANEL WIRE
OK -- Continue to next step.
11. CHECK INSTRUMENT PANEL WIRE (SHORT)
(a) Measure the resistance according to the value(s) in the table below.
Standard resistance:
NG -- REPAIR OR REPLACE INSTRUMENT PANEL WIRE
OK -- Continue to next step.
12. CHECK INSTRUMENT PANEL WIRE (OPEN)
(a) Using a service wire, connect D23-23 (PAON) and D23-17 (P-AB) of connector B.
NOTICE:
Do not forcibly insert a service wire into the terminals of connector when connecting.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:
NG -- REPAIR OR REPLACE INSTRUMENT PANEL WIRE
OK -- Continue to next step.
13. CHECK INSTRUMENT PANEL WIRE (SHORT TO B+)
(a) Disconnect the service wire from connector B.
(b) Connect the negative (-) terminal cable to the battery, and wait for at least 2 seconds.
(c) Turn the ignition switch on (IG).
(d) Measure the voltage according to the value(s) in the table below.
Standard voltage:
NG -- REPAIR OR REPLACE INSTRUMENT PANEL WIRE
OK -- Continue to next step.
14. CHECK AIR CONDITIONING CONTROL ASSEMBLY (SOURCE VOLTAGE)
(a) Turn the ignition switch on (IG).
(b) Measure the voltage according to the value(s) in the table below.
Standard voltage:
NG -- REPAIR OR REPLACE WIRE HARNESS OR BATTERY
OK -- Continue to next step.
15. CHECK PASSENGER AIRBAG ON/OFF INDICATOR
(a) Turn the ignition switch off.
(b) Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
(c) Connect the connector to the air conditioning control assembly.
(d) Connect the negative (-) terminal cable to the battery, and wait for at least 2 seconds.
(e) Turn the ignition switch on (IG).
(f) Check that the passenger airbag ON/OFF indicator condition in the table below.
Result:
NG -- REPLACE AIR CONDITIONING CONTROL ASSEMBLY
OK -- Continue to next step.
16. CHECK CENTER AIRBAG SENSOR ASSEMBLY
(a) Turn the ignition switch off.
(b) Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
(c) Connect the connector to the center airbag sensor assembly.
(d) Connect the negative (-) terminal cable to the battery, and wait for at least 2 seconds.
(e) Turn the ignition switch on (IG), and wait for at least 60 seconds.
(f) Clear the DTCs stored in memory DTC Check / Clear (to 12/2010).
(g) Turn the ignition switch off.
(h) Turn the ignition switch on (IG), and wait for at least 60 seconds.
(i) Check the DTCs DTC Check / Clear (to 12/2010).
OK:
DTC B1660/43 is not output.
HINT
Codes other than DTC B1660/43 may be output at this time, but they are not related to this check.
NG -- REPLACE CENTER AIRBAG SENSOR ASSEMBLY
OK -- USE SIMULATION METHOD TO CHECK