Part 3

SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: B1627/82,B1628/82,B1637/82,B1638/82,B1647/82,B1648/82,B1697/82,B1698/82: Lost communication with Side Airbag Sensor LH
B1698/82 - Door Side Airbag Sensor LH Initialization Incomplete Continued

42. CHECK SIDE AIRBAG SENSOR LH (FOR FRONT 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) Return the rear airbag sensor RH and LH to their original positions and connect the connectors.

(d) Interchange the side airbag sensor RH (for front side) with side airbag sensor LH (for front side) 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

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

(d) Interchange the side airbag sensor RH (for rear side) with side airbag sensor LH (for rear side) 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 B1633 and B1638 may be output at this time, but they are not related to this check.

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

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

A -- REPLACE CENTER AIRBAG SENSOR ASSEMBLY Removal

44. CHECK CONNECTORS

(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) Check that the connectors are properly connected to the rear airbag sensor LH and side airbag sensor LH (for front side). Also check that the connectors that link the No. 2 floor wire and front door wire LH are properly connected.

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 rear airbag sensor LH and side airbag sensor LH (for front side). Also disconnect the connectors that link the No. 2 floor wire and front door wire LH.

(e) Check that the terminals of connectors are not damaged.

OK:

The terminals are not deformed or damaged.

NG -- REPLACE WIRE HARNESS
OK -- Continue to next step.

45. CHECK WIRE HARNESS (OPEN)

(a) Connect the connectors that link the No. 2 floor wire and front door wire LH.

(b) Using SST, connect terminals 2 (BDL+) and 1 (BDL-) of connector E.

NOTICE:
Do not forcibly insert SST into the terminals of the connector when connecting.

SST : 09843-18040

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

Standard Resistance:

Text in Illustration

NG -- CHECK FRONT DOOR WIRE LH (OPEN)
OK -- Continue to next step.

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 LH (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 LH (SHORT TO B+)
OK -- Continue to next step.

48. CHECK WIRE HARNESS (SHORT TO GROUND)

(a) Turn the power switch off.

Text in Illustration

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

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

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

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

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

B -- REPLACE SIDE AIRBAG SENSOR LH (FOR FRONT SIDE) Removal
A -- Continue to next step.

50. CHECK REAR AIRBAG SENSOR LH

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

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

(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.

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

B -- REPLACE REAR AIRBAG SENSOR LH Removal

A -- REPLACE CENTER AIRBAG SENSOR ASSEMBLY Removal

51. CHECK FRONT DOOR WIRE LH (OPEN)

(a) Disconnect the front door wire LH connector from the No. 2 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 LH

OK -- REPLACE NO. 2 FLOOR WIRE

52. CHECK FRONT DOOR WIRE LH (SHORT)

(a) Disconnect the front door wire LH connector from the No. 2 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 LH

OK -- REPLACE NO. 2 FLOOR WIRE

53. CHECK FRONT DOOR WIRE LH (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 LH connector from the No. 2 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 LH

OK -- REPLACE NO. 2 FLOOR WIRE

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

(a) Disconnect the front door wire LH connector from the No. 2 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 LH

OK -- REPLACE NO. 2 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 B1627 and B1637 may be output at this time, but they are not related to this check.

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

56. CHECK SIDE AIRBAG SENSOR LH (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 RH (for rear side) with side airbag sensor LH (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.

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

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

A -- REPLACE CENTER AIRBAG SENSOR ASSEMBLY Removal

57. CHECK REAR AIRBAG SENSOR LH

(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 RH with LH 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.

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

B -- REPLACE REAR AIRBAG SENSOR LH Removal

A -- REPLACE CENTER AIRBAG SENSOR ASSEMBLY Removal