Part 3

SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: B1622/81, B1623/81, B1632/81, B1633/81, B1642/81, B1643/81, B1692/81, B1693/81: Lost communication with Side Airbag Sensor RH
B1693/81 - Door Side Airbag Sensor RH Initialization Incomplete

46. CHECK WIRE HARNESS (SHORT)

(a) Disconnect SST from connector E.





(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





Text in Illustration





NG -- CHECK FRONT DOOR WIRE RH (SHORT)
OK -- Continue to next step.

47. CHECK WIRE HARNESS (SHORT TO B+)

(a) Connect the cable to the negative (-) battery terminal.





(b) Turn the power switch on (IG).

(c) Measure the voltage according to the value(s) in the table below.

Standard Voltage:





Text in Illustration





NG -- CHECK FRONT DOOR WIRE RH (SHORT TO B+)
OK -- Continue to next step.

48. CHECK WIRE HARNESS (SHORT TO GROUND)

(a) Turn the power switch off.





(b) Disconnect the cable from the negative (-) battery terminal.

NOTICE:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





Text in Illustration





NG -- CHECK FRONT DOOR WIRE RH (SHORT TO GROUND)
OK -- Continue to next step.

49. CHECK SIDE AIRBAG SENSOR RH (FOR FRONT SIDE)

(a) Connect the connectors to the rear airbag sensor RH.





(b) Interchange the side airbag sensor LH (for front side) with side airbag sensor RH (for front side) and connect the connectors.

(c) Connect the cable to the negative (-) battery terminal.

(d) Turn the power switch on (IG), and wait for at least 60 seconds.

(e) Clear the DTCs stored in the memory Reading and Clearing Diagnostic Trouble Codes.

(f) Turn the power switch off.

(g) Turn the power switch on (IG), and wait for at least 60 seconds.

(h) Check for DTCs Reading and Clearing Diagnostic Trouble Codes.

Result:





Text in Illustration





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 -- REPLACE SIDE AIRBAG SENSOR RH (FOR FRONT SIDE) Removal

C -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting
A -- Continue to next step.

50. CHECK REAR AIRBAG SENSOR RH

(a) Turn the power switch off.





(b) Disconnect the cable from the negative (-) battery terminal.

NOTICE:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(c) Return the side airbag sensor LH (for front side) and side airbag sensor RH (for front side) to their original positions and connect the connectors.

(d) Interchange the rear airbag sensor LH with RH and connect the connectors.

(e) Connect the cable to the negative (-) battery terminal.

(f) Turn the power switch on (IG), and wait for at least 60 seconds.

(g) Clear the DTCs stored in the memory Reading and Clearing Diagnostic Trouble Codes.

(h) Turn the power switch off.

(i) Turn the power switch on (IG), and wait for at least 60 seconds.

(j) Check for DTCs Reading and Clearing Diagnostic Trouble Codes.

Result:





Text in Illustration





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 -- REPLACE REAR AIRBAG SENSOR RH Removal

C -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting

A -- REPLACE CENTER AIRBAG SENSOR ASSEMBLY Removal

51. CHECK FRONT DOOR WIRE RH (OPEN)

(a) Disconnect the front door wire RH connector from the floor wire.





HINT
SST has already been inserted into connector E.

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





Text in Illustration





NG -- REPLACE FRONT DOOR WIRE RH

OK -- REPLACE FLOOR WIRE

52. CHECK FRONT DOOR WIRE RH (SHORT)

(a) Disconnect the front door wire RH connector from the floor wire.





(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





Text in Illustration





NG -- REPLACE FRONT DOOR WIRE RH

OK -- REPLACE FLOOR WIRE

53. CHECK FRONT DOOR WIRE RH (SHORT TO B+)

(a) Turn the power switch off.





(b) Disconnect the cable from the negative (-) battery terminal.

NOTICE:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(c) Disconnect the front door wire RH connector from the floor wire.

(d) Connect the cable to the negative (-) battery terminal.

(e) Turn the power switch on (IG).

(f) Measure the voltage according to the value(s) in the table below.

Standard Voltage:





Text in Illustration





NG -- REPLACE FRONT DOOR WIRE RH

OK -- REPLACE FLOOR WIRE

54. CHECK FRONT DOOR WIRE RH (SHORT TO GROUND)

(a) Disconnect the front door wire RH connector from the floor wire.





(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





Text in Illustration





NG -- REPLACE FRONT DOOR WIRE RH

OK -- REPLACE FLOOR WIRE

55. CHECK PRESENT DTC

(a) Turn the power switch on (IG), and wait for at least 60 seconds.

(b) Check for present DTCs Reading and Clearing Diagnostic Trouble Codes.

Result:





HINT
Codes other than present DTC B1622 and B1632 may be output at this time, but they are not related to this check.

B -- CHECK REAR AIRBAG SENSOR RH
A -- Continue to next step.

56. CHECK SIDE AIRBAG SENSOR RH (FOR REAR SIDE)

(a) Turn the power switch off.





(b) Disconnect the cable from the negative (-) battery terminal.

NOTICE:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(c) Interchange the side airbag sensor LH (for rear side) with side airbag sensor RH (for rear side) and connect the connectors.

(d) Connect the cable to the negative (-) battery terminal.

(e) Turn the power switch on (IG), and wait for at least 60 seconds.

(f) Clear the DTCs stored in the memory Reading and Clearing Diagnostic Trouble Codes.

(g) Turn the power switch off.

(h) Turn the power switch on (IG), and wait for at least 60 seconds.

(i) Check for DTCs Reading and Clearing Diagnostic Trouble Codes.

Result:





Text in Illustration





HINT
Codes other than DTC B1622 and B1627 may be output at this time, but they are not related to this check.

B -- REPLACE SIDE AIRBAG SENSOR RH (FOR REAR SIDE) Removal

C -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting

A -- REPLACE CENTER AIRBAG SENSOR ASSEMBLY Removal

57. CHECK REAR AIRBAG SENSOR RH

(a) Turn the power switch off.





(b) Disconnect the cable from the negative (-) battery terminal.

NOTICE:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(c) Interchange the rear airbag sensor LH with RH and connect the connectors to them.

(d) Connect the cable to the negative (-) battery terminal.

(e) Turn the power switch on (IG), and wait for at least 60 seconds.

(f) Clear the DTCs stored in the memory Reading and Clearing Diagnostic Trouble Codes.

(g) Turn the power switch off.

(h) Turn the power switch on (IG), and wait for at least 60 seconds.

(i) Check for DTCs Reading and Clearing Diagnostic Trouble Codes.

Result:





Text in Illustration





HINT
Codes other than DTC B1632 and B1637 may be output at this time, but they are not related to this check.

B -- REPLACE REAR AIRBAG SENSOR RH Removal

C -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting

A -- REPLACE CENTER AIRBAG SENSOR ASSEMBLY Removal