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Occupant Classification System (Diagnostic Codes & Symptom Tests): Other Lexus RX III

Airbag ~14280 words

PROCEDURE

  1. CHECK CONNECTORS Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Check that the connectors are properly connected to the occupant classification ECU and front seat inner belt assembly RH. OK The connectors are properly connected. HINT: If the connectors are not connected securely, reconnect the connectors and proceed to the next inspection. Disconnect the connectors from the occupant classification ECU and front seat inner belt assembly RH. Check that the terminals of connectors are not damaged. OK The terminals are not deformed or damaged. NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  2. CHECK FRONT SEAT WIRE RH (SHORT TO B+) Connect the cable to the negative (-) battery terminal. Turn the engine switch on (IG). Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition Z4-9 (BSW) - Body ground Engine switch on (IG) Below 1 V Z4-5 (BGND) - Body ground Engine switch on (IG) Below 1 V TEXT IN ILLUSTRATION *1 Front Seat Wire RH *2 Front Seat Inner Belt Assembly RH *3 Occupant Classification ECU *4 Front view of wire harness connector (to Occupant Classification ECU) *5 Connector B NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  3. CHECK FRONT SEAT WIRE RH (OPEN) Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Using SST, connect terminals 1 (BGND) and 2 (BSW) of connector C. NOTE: Do not forcibly insert SST into the terminals of the connector when connecting. SST: 09843-18040 Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Z4-9 (BSW) - Z4-5 (BGND) Always Below 1 ohms TEXT IN ILLUSTRATION *1 Front Seat Wire RH *2 Front Seat Inner Belt Assembly RH *3 Occupant Classification ECU *4 Front view of wire harness connector (to Occupant Classification ECU) *5 Front view of wire harness connector (to Front Seat Inner Belt Assembly RH) *6 Connector B *7 Connector C - - NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  4. CHECK FRONT SEAT WIRE RH (SHORT) Disconnect SST from connector C. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Z4-9 (BSW) - Z4-5 (BGND) Always 1 Mohms or higher TEXT IN ILLUSTRATION *1 Front Seat Wire RH *2 Front Seat Inner Belt Assembly RH *3 Occupant Classification ECU *4 Front view of wire harness connector (to Occupant Classification ECU) *5 Connector B NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  5. CHECK FRONT SEAT WIRE RH (SHORT TO GROUND) Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Z4-9 (BSW) - Body ground Always 1 Mohms or higher Z4-5 (BGND) - Body ground Always 1 Mohms or higher TEXT IN ILLUSTRATION *1 Front Seat Wire RH *2 Front Seat Inner Belt Assembly RH *3 Occupant Classification ECU *4 Front view of wire harness connector (to Occupant Classification ECU) *5 Connector B NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  6. CHECK DTC Connect the connectors to the occupant classification ECU and front seat inner belt assembly RH. Connect the cable to the negative (-) battery terminal. Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S31749659202011051800000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1771 is not output. HINT: Codes other than DTC B1771 may be output at this time, but they are not related to this check. NG --> See step 7 OK --> See step 11
  7. REPLACE FRONT SEAT INNER BELT ASSEMBLY RH Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the front seat inner belt assembly RH. Refer to «REMOVAL»(ref-400652-S31627949502011051800000) . HINT: Perform the inspection using parts from a normal vehicle if possible. Connect the cable to the negative (-) battery terminal. Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S31749659202011051800000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1771 is not output. HINT: Codes other than DTC B1771 may be output at this time, but they are not related to this check. NG --> See step 8 OK --> END
  8. REPLACE OCCUPANT CLASSIFICATION ECU Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the occupant classification ECU. Refer to «REMOVAL»(ref-400651-S05034954142011051800000) . NEXT: Go to next step
  9. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NEXT: Go to next step
  10. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NEXT --> END
  11. USE SIMULATION METHOD TO CHECK. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-400649-S16126263452011051800000)
  1. CHECK CONNECTORS Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Check that the connectors are properly connected to the occupant classification ECU and front occupant classification sensor LH. OK The connectors are properly connected. HINT: If the connectors are not connected securely, reconnect the connectors and proceed to the next inspection. Disconnect the connectors from the occupant classification ECU and front occupant classification sensor LH. Check that the terminals of connectors are not damaged. OK The terminals are not deformed or damaged. NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  2. CHECK FRONT SEAT WIRE RH (SHORT TO B+) Connect the cable to the negative (-) battery terminal. Turn the engine switch on (IG). Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition Z1-1 (SGD1) - Body ground Engine switch on (IG) Below 1 V Z1-7 (SIG1) - Body ground Engine switch on (IG) Below 1 V Z1-11 (SVC1) - Body ground Engine switch on (IG) Below 1 V TEXT IN ILLUSTRATION *1 Front Seat Wire RH *2 Front Occupant Classification Sensor LH *3 Occupant Classification ECU *4 Front view of wire harness connector (to Occupant Classification ECU) *5 Connector B NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  3. CHECK FRONT SEAT WIRE RH (OPEN) Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Using SST, connect terminals 1 (SVC1) and 3 (SGD1), and connect terminals 2 (SIG1) and 3 (SGD1) of connector C. NOTE: Do not forcibly insert SST into the terminals of the connector when connecting. SST: 09843-18040 Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Z1-7 (SIG1) - Z1-1 (SGD1) Always Below 1 ohms Z1-11 (SVC1) - Z1-1 (SGD1) Always Below 1 ohms TEXT IN ILLUSTRATION *1 Front Seat Wire RH *2 Front Occupant Classification Sensor LH *3 Occupant Classification ECU *4 Front view of wire harness connector (to Occupant Classification ECU) *5 Front view of wire harness connector (to Front Occupant Classification Sensor LH) *6 Connector B *7 Connector C - - NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  4. CHECK FRONT SEAT WIRE RH (SHORT) Disconnect SST from connector C. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Z1-7 (SIG1) - Z1-1 (SGD1) Always 1 Mohms or higher Z1-11 (SVC1) - Z1-1 (SGD1) Always 1 Mohms or higher Z1-7 (SIG1) - Z1-11 (SVC1) Always 1 Mohms or higher TEXT IN ILLUSTRATION *1 Front Seat Wire RH *2 Front Occupant Classification Sensor LH *3 Occupant Classification ECU *4 Front view of wire harness connector (to Occupant Classification ECU) *5 Connector B NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  5. CHECK FRONT SEAT WIRE RH (SHORT TO GROUND) Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Z1-1 (SGD1) - Body ground Always 1 Mohms or higher Z1-7 (SIG1) - Body ground Always 1 Mohms or higher Z1-11 (SVC1) - Body ground Always 1 Mohms or higher TEXT IN ILLUSTRATION *1 Front Seat Wire RH *2 Front Occupant Classification Sensor LH *3 Occupant Classification ECU *4 Front view of wire harness connector (to Occupant Classification ECU) *5 Connector B NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  6. CHECK DTC Connect the connectors to the occupant classification ECU and front occupant classification sensor LH. Connect the cable to the negative (-) battery terminal. Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S31749659202011051800000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1780 is not output. HINT: Codes other than DTC B1780 may be output at this time, but they are not related to this check. NG --> See step 7 OK --> See step 14
  7. REPLACE OCCUPANT CLASSIFICATION ECU Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the occupant classification ECU. Refer to «REMOVAL»(ref-400651-S05034954142011051800000) . HINT: Perform the inspection using parts from a normal vehicle if possible. NEXT: Go to next step
  8. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NG --> See step 11 OK: Go to next step
  9. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NG --> See step 11 OK: Go to next step
  10. CHECK DTC Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S31749659202011051800000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1780 is not output. HINT: Codes other than DTC B1780 may be output at this time, but they are not related to this check. NG --> See step 11 OK --> END
  11. REPLACE FRONT SEAT ASSEMBLY RH Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the front seat assembly RH. Refer to «REMOVAL»(ref-400825-S37997642352011051800000) . NEXT: Go to next step
  12. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NEXT: Go to next step
  13. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NEXT --> END
  14. USE SIMULATION METHOD TO CHECK. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-400649-S16126263452011051800000)
  1. CHECK CONNECTORS Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Check that the connectors are properly connected to the occupant classification ECU and front occupant classification sensor RH. OK The connectors are properly connected. HINT: If the connectors are not connected securely, reconnect the connectors and proceed to the next inspection. Disconnect the connectors from the occupant classification ECU and front occupant classification sensor RH. Check that the terminals of connectors are not damaged. OK The terminals are not deformed or damaged. NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  2. CHECK FRONT SEAT WIRE RH (SHORT TO B+) Connect the cable to the negative (-) battery terminal. Turn the engine switch on (IG). Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition Z1-2 (SGD2) - Body ground Engine switch on (IG) Below 1 V Z1-8 (SIG2) - Body ground Engine switch on (IG) Below 1 V Z1-12 (SVC2) - Body ground Engine switch on (IG) Below 1 V TEXT IN ILLUSTRATION *1 Front Seat Wire RH *2 Front Occupant Classification Sensor RH *3 Occupant Classification ECU *4 Front view of wire harness connector (to Occupant Classification ECU) *5 Connector B NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  3. CHECK FRONT SEAT WIRE RH (OPEN) Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Using SST, connect terminals 1 (SVC2) and 3 (SGD2), and connect terminals 2 (SIG2) and 3 (SGD2) of connector C. NOTE: Do not forcibly insert SST into the terminals of the connector when connecting. SST: 09843-18040 Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Z1-8 (SIG2) - Z1-2 (SGD2) Always Below 1 ohms Z1-12 (SVC2) - Z1-2 (SGD2) Always Below 1 ohms TEXT IN ILLUSTRATION *1 Front Seat Wire RH *2 Front Occupant Classification Sensor RH *3 Occupant Classification ECU *4 Front view of wire harness connector (to Occupant Classification ECU) *5 Front view of wire harness connector (to Front Occupant Classification Sensor RH) *6 Connector B *7 Connector C - - NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  4. CHECK FRONT SEAT WIRE RH (SHORT) Disconnect SST from connector C. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Z1-8 (SIG2) - Z1-2 (SGD2) Always 1 Mohms or higher Z1-12 (SVC2) - Z1-2 (SGD2) Always 1 Mohms or higher Z1-8 (SIG2) - Z1-12 (SVC2) Always 1 Mohms or higher TEXT IN ILLUSTRATION *1 Front Seat Wire RH *2 Front Occupant Classification Sensor RH *3 Occupant Classification ECU *4 Front view of wire harness connector (to Occupant Classification ECU) *5 Connector B NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  5. CHECK FRONT SEAT WIRE RH (SHORT TO GROUND) Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Z1-2 (SGD2) - Body ground Always 1 Mohms or higher Z1-8 (SIG2) - Body ground Always 1 Mohms or higher Z1-12 (SVC2) - Body ground Always 1 Mohms or higher TEXT IN ILLUSTRATION *1 Front Seat Wire RH *2 Front Occupant Classification Sensor RH *3 Occupant Classification ECU *4 Front view of wire harness connector (to Occupant Classification ECU) *5 Connector B NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  6. CHECK DTC Connect the connectors to the occupant classification ECU and front occupant classification sensor RH. Connect the cable to the negative (-) battery terminal. Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S31749659202011051800000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1781 is not output. HINT: Codes other than DTC B1781 may be output at this time, but they are not related to this check. NG --> See step 7 OK --> See step 14
  7. REPLACE OCCUPANT CLASSIFICATION ECU Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the occupant classification ECU. Refer to «REMOVAL»(ref-400651-S05034954142011051800000) . HINT: Perform the inspection using parts from a normal vehicle if possible. NEXT: Go to next step
  8. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NG --> See step 11 OK: Go to next step
  9. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NG --> See step 11 OK: Go to next step
  10. CHECK DTC Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S31749659202011051800000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1781 is not output. HINT: Codes other than DTC B1781 may be output at this time, but they are not related to this check. NG --> See step 11 OK --> END
  11. REPLACE FRONT SEAT ASSEMBLY RH Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the front seat assembly RH. Refer to «REMOVAL»(ref-400825-S37997642352011051800000) . NEXT: Go to next step
  12. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NEXT: Go to next step
  13. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NEXT --> END
  14. USE SIMULATION METHOD TO CHECK. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-400649-S16126263452011051800000)
  1. CHECK CONNECTORS Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Check that the connectors are properly connected to the occupant classification ECU and rear occupant classification sensor LH. OK The connectors are properly connected. HINT: If the connectors are not connected securely, reconnect the connectors and proceed to the next inspection. Disconnect the connectors from the occupant classification ECU and rear occupant classification sensor LH. Check that the terminals of connectors are not damaged. OK The terminals are not deformed or damaged. NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  2. CHECK FRONT SEAT WIRE RH (SHORT TO B+) Connect the cable to the negative (-) battery terminal. Turn the engine switch on (IG). Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition Z1-3 (SGD3) - Body ground Engine switch on (IG) Below 1 V Z1-5 (SVC3) - Body ground Engine switch on (IG) Below 1 V Z1-9 (SIG3) - Body ground Engine switch on (IG) Below 1 V TEXT IN ILLUSTRATION *1 Front Seat Wire RH *2 Rear Occupant Classification Sensor LH *3 Occupant Classification ECU *4 Front view of wire harness connector (to Occupant Classification ECU) *5 Connector B NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  3. CHECK FRONT SEAT WIRE RH (OPEN) Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Using SST, connect terminals 1 (SVC3) and 3 (SGD3), and connect terminals 2 (SIG3) and 3 (SGD3) of connector C. NOTE: Do not forcibly insert SST into the terminals of the connector when connecting. SST: 09843-18040 Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Z1-5 (SVC3) - Z1-3 (SGD3) Always Below 1 ohms Z1-9 (SIG3) - Z1-3 (SGD3) Always Below 1 ohms TEXT IN ILLUSTRATION *1 Front Seat Wire RH *2 Rear Occupant Classification Sensor LH *3 Occupant Classification ECU *4 Front view of wire harness connector (to Occupant Classification ECU) *5 Front view of wire harness connector (to Rear Occupant Classification Sensor LH) *6 Connector B *7 Connector C - - NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  4. CHECK FRONT SEAT WIRE RH (SHORT) Disconnect SST from connector C. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Z1-5 (SVC3) - Z1-3 (SGD3) Always 1 Mohms or higher Z1-9 (SIG3) - Z1-3 (SGD3) Always 1 Mohms or higher Z1-5 (SVC3) - Z1-9 (SIG3) Always 1 Mohms or higher TEXT IN ILLUSTRATION *1 Front Seat Wire RH *2 Rear Occupant Classification Sensor LH *3 Occupant Classification ECU *4 Front view of wire harness connector (to Occupant Classification ECU) *5 Connector B NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  5. CHECK FRONT SEAT WIRE RH (SHORT TO GROUND) Measure the resistance according to value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Z1-3 (SGD3) - Body ground Always 1 Mohms or higher Z1-5 (SVC3) - Body ground Always 1 Mohms or higher Z1-9 (SIG3) - Body ground Always 1 Mohms or higher TEXT IN ILLUSTRATION *1 Front Seat Wire RH *2 Rear Occupant Classification Sensor LH *3 Occupant Classification ECU *4 Front view of wire harness connector (to Occupant Classification ECU) *5 Connector B NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  6. CHECK DTC Connect the connectors to the occupant classification ECU and rear occupant classification sensor LH. Connect the cable to the negative (-) battery terminal. Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S31749659202011051800000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1782 is not output. HINT: Codes other than DTC B1782 may be output at this time, but they are not related to this check. NG --> See step 7 OK --> See step 14
  7. REPLACE OCCUPANT CLASSIFICATION ECU Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the occupant classification ECU. Refer to «REMOVAL»(ref-400651-S05034954142011051800000) . HINT: Perform the inspection using parts from a normal vehicle if possible. NEXT: Go to next step
  8. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NG --> See step 11 OK: Go to next step
  9. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NG --> See step 11 OK: Go to next step
  10. CHECK DTC Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S31749659202011051800000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1782 is not output. HINT: Codes other than DTC B1782 may be output at this time, but they are not related to this check. NG --> See step 11 OK --> END
  11. REPLACE FRONT SEAT ASSEMBLY RH Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the front seat assembly RH. Refer to «REMOVAL»(ref-400825-S37997642352011051800000) . NEXT: Go to next step
  12. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NEXT: Go to next step
  13. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NEXT --> END
  14. USE SIMULATION METHOD TO CHECK. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-400649-S16126263452011051800000)
  1. CHECK CONNECTORS Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Check that the connectors are properly connected to the occupant classification ECU and rear occupant classification sensor RH. OK The connectors are properly connected. HINT: If the connectors are not connected securely, reconnect the connectors and proceed to the next inspection. Disconnect the connectors from the occupant classification ECU and rear occupant classification sensor RH. Check that the terminals of connectors are not damaged. OK The terminals are not deformed or damaged. NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  2. CHECK FRONT SEAT WIRE RH (SHORT TO B+) Connect the cable to the negative (-) battery terminal. Turn the engine switch on (IG). Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition Z1-4 (SGD4) - Body ground Engine switch on (IG) Below 1 V Z1-6 (SVC4) - Body ground Engine switch on (IG) Below 1 V Z1-10 (SIG4) - Body ground Engine switch on (IG) Below 1 V TEXT IN ILLUSTRATION *1 Front Seat Wire RH *2 Rear Occupant Classification Sensor RH *3 Occupant Classification ECU *4 Front view of wire harness connector (to Occupant Classification ECU) *5 Connector B NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  3. CHECK FRONT SEAT WIRE RH (OPEN) Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Using SST, connect terminals 1 (SVC4) and 3 (SGD4), and connect terminals 2 (SIG4) and 3 (SGD4) of connector C. NOTE: Do not forcibly insert SST into the terminals of the connector when connecting. SST: 09843-18040 Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Z1-6 (SVC4) - Z1-4 (SGD4) Always Below 1 ohms Z1-10 (SIG4) - Z1-4 (SGD4) Always Below 1 ohms TEXT IN ILLUSTRATION *1 Front Seat Wire RH *2 Rear Occupant Classification Sensor RH *3 Occupant Classification ECU *4 Front view of wire harness connector (to Occupant Classification ECU) *5 Front view of wire harness connector (to Rear Occupant Classification Sensor RH) *6 Connector B *7 Connector C - - NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  4. CHECK FRONT SEAT WIRE RH (SHORT) Disconnect SST from connector C. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Z1-6 (SVC4) - Z1-4 (SGD4) Always 1 Mohms or higher Z1-10 (SIG4) - Z1-4 (SGD4) Always 1 Mohms or higher Z1-6 (SVC4) - Z1-10 (SIG4) Always 1 Mohms or higher TEXT IN ILLUSTRATION *1 Front Seat Wire RH *2 Rear Occupant Classification Sensor RH *3 Occupant Classification ECU *4 Front view of wire harness connector (to Occupant Classification ECU) *5 Connector B NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  5. CHECK FRONT SEAT WIRE RH (SHORT TO GROUND) Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Z1-4 (SGD4) - Body ground Always 1 Mohms or higher Z1-6 (SVC4) - Body ground Always 1 Mohms or higher Z1-10 (SIG4) - Body ground Always 1 Mohms or higher TEXT IN ILLUSTRATION *1 Front Seat Wire RH *2 Rear Occupant Classification Sensor RH *3 Occupant Classification ECU *4 Front view of wire harness connector (to Occupant Classification ECU) *5 Connector B NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  6. CHECK DTC Connect the connectors to the occupant classification ECU and rear occupant classification sensor RH. Connect the cable to the negative (-) battery terminal. Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S31749659202011051800000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1783 is not output. HINT: Codes other than DTC B1783 may be output at this time, but they are not related to this check. NG --> See step 7 OK --> See step 14
  7. REPLACE OCCUPANT CLASSIFICATION ECU Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the occupant classification ECU. Refer to «REMOVAL»(ref-400651-S05034954142011051800000) . HINT: Perform the inspection using parts from a normal vehicle if possible. NEXT: Go to next step
  8. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NG --> See step 11 OK: Go to next step
  9. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NG --> See step 11 OK: Go to next step
  10. CHECK DTC Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S31749659202011051800000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1783 is not output. HINT: Codes other than DTC B1783 may be output at this time, but they are not related to this check. NG --> See step 11 OK --> END
  11. REPLACE FRONT SEAT ASSEMBLY RH Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the front seat assembly RH. Refer to «REMOVAL»(ref-400825-S37997642352011051800000) . NEXT: Go to next step
  12. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NEXT: Go to next step
  13. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NEXT --> END
  14. USE SIMULATION METHOD TO CHECK. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-400649-S16126263452011051800000)
  1. PERFORM ZERO POINT CALIBRATION Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NG --> See step 4 OK: Go to next step
  2. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NG --> See step 4 OK: Go to next step
  3. CHECK DTC Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S35984818542011051800000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1785 is not output. HINT: Codes other than DTC B1785 may be output at this time, but they are not related to this check. NG --> See step 4 OK --> END
  4. REPLACE FRONT SEAT ASSEMBLY RH Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the front seat assembly RH. Refer to «REMOVAL»(ref-400825-S35089476432011051800000) . HINT: Perform the inspection using parts from a normal vehicle if possible. NEXT: Go to next step
  5. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NG --> See step 8 OK: Go to next step
  6. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NG --> See step 8 OK: Go to next step
  7. CHECK DTC Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S35984818542011051800000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1785 is not output. HINT: Codes other than DTC B1785 may be output at this time, but they are not related to this check. NG --> See step 8 OK --> END
  8. REPLACE OCCUPANT CLASSIFICATION ECU Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the occupant classification ECU. Refer to «REMOVAL»(ref-400651-S22641746422011051800000) . NEXT: Go to next step
  9. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NEXT: Go to next step
  10. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NEXT --> END
  1. PERFORM ZERO POINT CALIBRATION Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NG --> See step 4 OK: Go to next step
  2. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NG --> See step 4 OK: Go to next step
  3. CHECK DTC Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S31749659202011051800000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1785 is not output. HINT: Codes other than DTC B1785 may be output at this time, but they are not related to this check. NG --> See step 4 OK --> END
  4. REPLACE FRONT SEAT ASSEMBLY RH Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the front seat assembly RH. Refer to «REMOVAL»(ref-400825-S37997642352011051800000) . HINT: Perform the inspection using parts from a normal vehicle if possible. NEXT: Go to next step
  5. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NG --> See step 8 OK: Go to next step
  6. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NG --> See step 8 OK: Go to next step
  7. CHECK DTC Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S31749659202011051800000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1785 is not output. HINT: Codes other than DTC B1785 may be output at this time, but they are not related to this check. NG --> See step 8 OK --> END
  8. REPLACE OCCUPANT CLASSIFICATION ECU Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the occupant classification ECU. Refer to «REMOVAL»(ref-400651-S05034954142011051800000) . NEXT: Go to next step
  9. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NEXT: Go to next step
  10. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NEXT --> END
  1. PERFORM ZERO POINT CALIBRATION Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NG --> See step 4 OK: Go to next step
  2. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NG --> See step 4 OK: Go to next step
  3. CHECK DTC Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S35984818542011051800000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1786 is not output. HINT: Codes other than DTC B1786 may be output at this time, but they are not related to this check. NG --> See step 4 OK --> END
  4. REPLACE FRONT SEAT ASSEMBLY RH Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the front seat assembly RH. Refer to «REMOVAL»(ref-400825-S35089476432011051800000) . HINT: Perform the inspection using parts from a normal vehicle if possible. NEXT: Go to next step
  5. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NG --> See step 8 OK: Go to next step
  6. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NG --> See step 8 OK: Go to next step
  7. CHECK DTC Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S35984818542011051800000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1786 is not output. HINT: Codes other than DTC B1786 may be output at this time, but they are not related to this check. NG --> See step 8 OK --> END
  8. REPLACE OCCUPANT CLASSIFICATION ECU Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the occupant classification ECU. Refer to «REMOVAL»(ref-400651-S22641746422011051800000) . NEXT: Go to next step
  9. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NEXT: Go to next step
  10. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NEXT --> END
  1. PERFORM ZERO POINT CALIBRATION Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NG --> See step 4 OK: Go to next step
  2. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NG --> See step 4 OK: Go to next step
  3. CHECK DTC Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S31749659202011051800000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1786 is not output. HINT: Codes other than DTC B1786 may be output at this time, but they are not related to this check. NG --> See step 4 OK --> END
  4. REPLACE FRONT SEAT ASSEMBLY RH Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the front seat assembly RH. Refer to «REMOVAL»(ref-400825-S37997642352011051800000) . HINT: Perform the inspection using parts from a normal vehicle if possible. NEXT: Go to next step
  5. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NG --> See step 8 OK: Go to next step
  6. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NG --> See step 8 OK: Go to next step
  7. CHECK DTC Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S31749659202011051800000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1786 is not output. HINT: Codes other than DTC B1786 may be output at this time, but they are not related to this check. NG --> See step 8 OK --> END
  8. REPLACE OCCUPANT CLASSIFICATION ECU Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the occupant classification ECU. Refer to «REMOVAL»(ref-400651-S05034954142011051800000) . NEXT: Go to next step
  9. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NEXT: Go to next step
  10. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NEXT --> END
  1. PERFORM ZERO POINT CALIBRATION Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NG --> See step 4 OK: Go to next step
  2. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NG --> See step 4 OK: Go to next step
  3. CHECK DTC Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S35984818542011051800000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1787 is not output. HINT: Codes other than DTC B1787 may be output at this time, but they are not related to this check. NG --> See step 4 OK --> END
  4. REPLACE FRONT SEAT ASSEMBLY RH Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the front seat assembly RH. Refer to «REMOVAL»(ref-400825-S35089476432011051800000) . HINT: Perform the inspection using parts from a normal vehicle if possible. NEXT: Go to next step
  5. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NG --> See step 8 OK: Go to next step
  6. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NG --> See step 8 OK: Go to next step
  7. CHECK DTC Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S35984818542011051800000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1787 is not output. HINT: Codes other than DTC B1787 may be output at this time, but they are not related to this check. NG --> See step 8 OK --> END
  8. REPLACE OCCUPANT CLASSIFICATION ECU Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the occupant classification ECU. Refer to «REMOVAL»(ref-400651-S22641746422011051800000) . NEXT: Go to next step
  9. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NEXT: Go to next step
  10. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NEXT --> END
  1. PERFORM ZERO POINT CALIBRATION Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NG --> See step 4 OK: Go to next step
  2. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NG --> See step 4 OK: Go to next step
  3. CHECK DTC Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S31749659202011051800000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1787 is not output. HINT: Codes other than DTC B1787 may be output at this time, but they are not related to this check. NG --> See step 4 OK --> END
  4. REPLACE FRONT SEAT ASSEMBLY RH Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the front seat assembly RH. Refer to «REMOVAL»(ref-400825-S37997642352011051800000) . HINT: Perform the inspection using parts from a normal vehicle if possible. NEXT: Go to next step
  5. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NG --> See step 8 OK: Go to next step
  6. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NG --> See step 8 OK: Go to next step
  7. CHECK DTC Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S31749659202011051800000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1787 is not output. HINT: Codes other than DTC B1787 may be output at this time, but they are not related to this check. NG --> See step 8 OK --> END
  8. REPLACE OCCUPANT CLASSIFICATION ECU Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the occupant classification ECU. Refer to «REMOVAL»(ref-400651-S05034954142011051800000) . NEXT: Go to next step
  9. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NEXT: Go to next step
  10. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NEXT --> END
  1. PERFORM ZERO POINT CALIBRATION Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NG --> See step 4 OK: Go to next step
  2. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NG --> See step 4 OK: Go to next step
  3. CHECK DTC Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S35984818542011051800000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1788 is not output. HINT: Codes other than DTC B1788 may be output at this time, but they are not related to this check. NG --> See step 4 OK --> END
  4. REPLACE FRONT SEAT ASSEMBLY RH Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the front seat assembly RH. Refer to «REMOVAL»(ref-400825-S35089476432011051800000) . HINT: Perform the inspection using parts from a normal vehicle if possible. NEXT: Go to next step
  5. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NG --> See step 8 OK: Go to next step
  6. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NG --> See step 8 OK: Go to next step
  7. CHECK DTC Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S35984818542011051800000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1788 is not output. HINT: Codes other than DTC B1788 may be output at this time, but they are not related to this check. NG --> See step 8 OK --> END
  8. REPLACE OCCUPANT CLASSIFICATION ECU Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the occupant classification ECU. Refer to «REMOVAL»(ref-400651-S22641746422011051800000) . NEXT: Go to next step
  9. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NEXT: Go to next step
  10. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NEXT --> END
  1. PERFORM ZERO POINT CALIBRATION Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NG --> See step 4 OK: Go to next step
  2. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NG --> See step 4 OK: Go to next step
  3. CHECK DTC Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S31749659202011051800000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1788 is not output. HINT: Codes other than DTC B1788 may be output at this time, but they are not related to this check. NG --> See step 4 OK --> END
  4. REPLACE FRONT SEAT ASSEMBLY RH Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the front seat assembly RH. Refer to «REMOVAL»(ref-400825-S37997642352011051800000) . HINT: Perform the inspection using parts from a normal vehicle if possible. NEXT: Go to next step
  5. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NG --> See step 8 OK: Go to next step
  6. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NG --> See step 8 OK: Go to next step
  7. CHECK DTC Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S31749659202011051800000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1788 is not output. HINT: Codes other than DTC B1788 may be output at this time, but they are not related to this check. NG --> See step 8 OK --> END
  8. REPLACE OCCUPANT CLASSIFICATION ECU Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the occupant classification ECU. Refer to «REMOVAL»(ref-400651-S05034954142011051800000) . NEXT: Go to next step
  9. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NEXT: Go to next step
  10. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NEXT --> END
  1. CHECK CONNECTORS Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. WARNING: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system. Check that the connectors are properly connected to the center airbag sensor assembly and occupant classification ECU. Also check that the connectors that link the front seat wire RH and floor wire 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. Disconnect the connectors from the center airbag sensor assembly and occupant classification ECU. Also disconnect the connectors that link the front seat wire RH and floor wire. Check that the terminals of connectors are not damaged. OK The terminals are not deformed or damaged. NG --> REPLACE WIRE HARNESS OK: Go to next step
  2. CHECK OCCUPANT CLASSIFICATION SYSTEM CIRCUIT (SHORT TO B+) Connect the cable to the negative (-) battery terminal. Turn the engine switch on (IG). Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition Z4-8 (FSR+) - Body ground Engine switch on (IG) Below 1 V Z4-4 (FSR-) - Body ground Engine switch on (IG) Below 1 V TEXT IN ILLUSTRATION *1 Occupant Classification ECU *2 Center Airbag Sensor Assembly *3 Front view of wire harness connector (to Occupant Classification ECU) *4 Connector E NG --> See step 11 OK: Go to next step
  3. CHECK OCCUPANT CLASSIFICATION SYSTEM CIRCUIT (OPEN) Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. WARNING: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system. Using SST, connect terminals 16 (FSR+) and 24 (FSR-) of connector B. NOTE: Do not forcibly insert SST into the terminals of the connector when connecting. SST: 09843-18040 Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Z4-8 (FSR+) - Z4-4 (FSR-) Always Below 1 ohms TEXT IN ILLUSTRATION *1 Occupant Classification ECU *2 Center Airbag Sensor Assembly *3 Front view of wire harness connector (to Center Airbag Sensor Assembly) *4 Front view of wire harness connector (to Occupant Classification ECU) *5 Connector B *6 Connector E NG --> See step 12 OK: Go to next step
  4. CHECK OCCUPANT CLASSIFICATION SYSTEM CIRCUIT (SHORT) Disconnect SST from connector B. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Z4-8 (FSR+) - Z4-4 (FSR-) Always 1 Mohms or higher TEXT IN ILLUSTRATION *1 Occupant Classification ECU *2 Center Airbag Sensor Assembly *3 Front view of wire harness connector (to Occupant Classification ECU) *4 Connector E NG --> See step 13 OK: Go to next step
  5. CHECK OCCUPANT CLASSIFICATION SYSTEM CIRCUIT (SHORT TO GROUND) Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Z4-8 (FSR+) - Body ground Always 1 Mohms or higher Z4-4 (FSR-) - Body ground Always 1 Mohms or higher TEXT IN ILLUSTRATION *1 Occupant Classification ECU *2 Center Airbag Sensor Assembly *3 Front view of wire harness connector (to Occupant Classification ECU) *4 Connector E NG --> See step 14 OK: Go to next step
  6. RECHECK DTC Connect the connectors to the occupant classification ECU and center airbag sensor assembly. Connect the Techstream to the DLC3. Connect the cable to the negative (-) battery terminal. Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S31749659202011051800000) . Turn the engine switch off. Turn the engine switch on (IG). Using the Techstream, check for DTCs of the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1790 is not output. HINT: Codes other than DTC B1790 may be output at this time, but they are not related to this check. NG --> See step 7 OK --> See step 15
  7. REPLACE OCCUPANT CLASSIFICATION ECU Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. WARNING: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system. Replace the occupant classification ECU. Refer to «REMOVAL»(ref-400651-S05034954142011051800000) . HINT: Perform the inspection using parts from a normal vehicle if possible. NEXT: Go to next step
  8. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NEXT: Go to next step
  9. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NEXT: Go to next step
  10. RECHECK DTC Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S31749659202011051800000) . Turn the engine switch off. Turn the engine switch on (IG). Using the Techstream, check for DTCs of the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1790 is not output. HINT: Codes other than DTC B1790 may be output at this time, but they are not related to this check. NG --> See step 16 OK --> END
  11. CHECK FLOOR WIRE (SHORT TO B+) Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. WARNING: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system. Disconnect the front seat wire RH connector from the floor wire. Connect the cable to the negative (-) battery terminal. Turn the engine switch on (IG). Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition OZ2-1 (FSR+) - Body ground Engine switch on (IG) Below 1 V OZ2-4 (FSR-) - Body ground Engine switch on (IG) Below 1 V TEXT IN ILLUSTRATION *1 Front Seat Wire RH *2 Occupant Classification ECU *3 Center Airbag Sensor Assembly *4 Floor Wire *5 Front view of wire harness connector (to Front Seat Wire RH) *6 Connector C NG --> REPLACE FLOOR WIRE OK --> REPLACE FRONT SEAT WIRE RH
  12. CHECK FLOOR WIRE (OPEN) Disconnect the front seat wire RH connector from the floor wire. HINT: SST has already been inserted into connector B. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition OZ2-1 (FSR+) - OZ2-4 (FSR-) Always Below 1 ohms TEXT IN ILLUSTRATION *1 Front Seat Wire RH *2 Occupant Classification ECU *3 Center Airbag Sensor Assembly *4 Floor Wire *5 Front view of wire harness connector (to Center Airbag Sensor Assembly) *6 Front view of wire harness connector (to Front Seat Wire RH) *7 Connector B *8 Connector C NG --> REPLACE FLOOR WIRE OK --> REPLACE FRONT SEAT WIRE RH
  13. CHECK FLOOR WIRE (SHORT) Disconnect the front seat wire RH connector from the floor wire. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition OZ2-1 (FSR+) - OZ2-4 (FSR-) Always 1 Mohms or higher TEXT IN ILLUSTRATION *1 Front Seat Wire RH *2 Occupant Classification ECU *3 Center Airbag Sensor Assembly *4 Floor Wire *5 Front view of wire harness connector (to Front Seat Wire RH) *6 Connector C NG --> REPLACE FLOOR WIRE OK --> REPLACE FRONT SEAT WIRE RH
  14. CHECK FLOOR WIRE (SHORT TO GROUND) Disconnect the front seat wire RH connector from the floor wire. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition OZ2-1 (FSR+) - Body ground Always 1 Mohms or higher OZ2-4 (FSR-) - Body ground Always 1 Mohms or higher TEXT IN ILLUSTRATION *1 Front Seat Wire RH *2 Occupant Classification ECU *3 Center Airbag Sensor Assembly *4 Floor Wire *5 Front view of wire harness connector (to Front Seat Wire RH) *6 Connector C NG --> REPLACE FLOOR WIRE OK --> REPLACE FRONT SEAT WIRE RH
  15. USE SIMULATION METHOD TO CHECK. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-400649-S16126263452011051800000)
  16. REPLACE CENTER AIRBAG SENSOR ASSEMBLY. Refer to «REMOVAL»(ref-400651-S11108468782011051800000)
  1. CHECK CONNECTORS Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Check that the connectors are properly connected to the 4 occupant classification sensors and occupant classification ECU. OK The connectors are properly connected. HINT: If the connectors are not connected securely, reconnect the connectors and proceed to the next inspection. Disconnect the connectors from the 4 occupant classification sensor and occupant classification ECU. Check that the terminals of connectors are not damaged. OK The terminals are not deformed or damaged. NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  2. CHECK FRONT SEAT WIRE RH (SHORT TO B+) Connect the cable to the negative (-) battery terminal. Turn the engine switch on (IG). Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition Z1-5 (SVC3) - Body ground Engine switch on (IG) Below 1 V Z1-6 (SVC4) - Body ground Engine switch on (IG) Below 1 V Z1-11 (SVC1) - Body ground Engine switch on (IG) Below 1 V Z1-12 (SVC2) - Body ground Engine switch on (IG) Below 1 V TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Occupant Classification ECU) NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  3. CHECK FRONT SEAT WIRE RH (SHORT TO GROUND) Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Z1-5 (SVC3) - Body ground Always 1 Mohms or higher Z1-6 (SVC4) - Body ground Always 1 Mohms or higher Z1-11 (SVC1) - Body ground Always 1 Mohms or higher Z1-12 (SVC2) - Body ground Always 1 Mohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Occupant Classification ECU) NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  4. CHECK FRONT SEAT WIRE RH (OPEN) Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Z1-5 (SVC3) - Z15-1 (SVC3) Always Below 1 ohms Z1-6 (SVC4) - Z13-1 (SVC4) Always Below 1 ohms Z1-11 (SVC1) - Z14-1 (SVC1) Always Below 1 ohms Z1-12 (SVC2) - Z12-1 (SVC2) Always Below 1 ohms TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Occupant Classification Sensor) *2 Front LH *3 Front RH *4 Rear LH *5 Rear RH *6 Front view of wire harness connector (to Occupant Classification ECU) NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  5. CHECK FRONT SEAT WIRE RH (SHORT) Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Z1-5 (SVC3) - Z1-6 (SVC4) Always 1 Mohms or higher Z1-5 (SVC3) - Z1-11 (SVC1) Always 1 Mohms or higher Z1-5 (SVC3) - Z1-12 (SVC2) Always 1 Mohms or higher Z1-6 (SVC4) - Z1-11 (SVC1) Always 1 Mohms or higher Z1-6 (SVC4) - Z1-12 (SVC2) Always 1 Mohms or higher Z1-11 (SVC1) - Z1-12 (SVC2) Always 1 Mohms or higher TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Occupant Classification ECU) NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  6. CHECK DTC Connect the connectors to the occupant classification ECU and 4 occupant classification sensors. Connect the cable to the negative (-) battery terminal. Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S31749659202011051800000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1793 is not output. HINT: Codes other than DTC B1793 may be output at this time, but they are not related to this check. NG --> See step 7 OK --> See step 14
  7. REPLACE OCCUPANT CLASSIFICATION ECU Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the occupant classification ECU. Refer to «REMOVAL»(ref-400651-S05034954142011051800000) . HINT: Perform the inspection using parts from a normal vehicle if possible. NEXT: Go to next step
  8. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NG --> See step 11 OK: Go to next step
  9. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NG --> See step 11 OK: Go to next step
  10. CHECK DTC Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S31749659202011051800000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1793 is not output. HINT: Codes other than DTC B1793 may be output at this time, but they are not related to this check. NG --> See step 11 OK --> END
  11. REPLACE FRONT SEAT ASSEMBLY RH Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the front seat assembly RH. Refer to «REMOVAL»(ref-400825-S37997642352011051800000) . NEXT: Go to next step
  12. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NEXT: Go to next step
  13. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NEXT --> END
  14. USE SIMULATION METHOD TO CHECK. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-400649-S16126263452011051800000)
  1. CHECK BATTERY Measure the voltage of the battery. Standard Voltage 11 to 14 V NG --> REPLACE BATTERY OK: Go to next step
  2. CHECK WIRE HARNESS (SOURCE VOLTAGE) Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Disconnect the connector from the occupant classification ECU. Connect the cable to the negative (-) battery terminal. Turn the engine switch on (IG). Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition Z4-1 (+B) - Body ground Always 11 to 14 V Z4-7 (IG) - Body ground Engine switch on (IG) 11 to 14 V Turn the engine switch off. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Z4-3 (GND) - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *1 Front view of wire harness connector (to Occupant Classification ECU) NG --> REPLACE WIRE HARNESS OK: Go to next step
  3. CHECK DTC Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Connect the connector to the occupant classification ECU. Connect the Techstream to the DLC3. Connect the cable to the negative (-) battery terminal. Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S31749659202011051800000) . Turn the engine switch off. Turn the engine switch on (IG), and wait for at least 10 seconds. Using the Techstream, check for DTCs of the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1794 is not output. HINT: Codes other than DTC B1794 may be output at this time, but they are not related to this check. NG --> See step 4 OK --> See step 7
  4. REPLACE OCCUPANT CLASSIFICATION ECU Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the occupant classification ECU. Refer to «REMOVAL»(ref-400651-S05034954142011051800000) . NEXT: Go to next step
  5. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform the Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NEXT: Go to next step
  6. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NEXT --> END
  7. USE SIMULATION METHOD TO CHECK. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-400649-S16126263452011051800000)
  1. CHECK DTC Turn the engine switch on (IG), and wait for at least 10 seconds. Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Result A DTCs B1771 and B1795 are output. B DTC B1795 is output. HINT: Codes other than DTCs B1771 and B1795 may be output at this time, but they are not related to this check. A --> See step 5 B: Go to next step
  2. REPLACE OCCUPANT CLASSIFICATION ECU Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the occupant classification ECU. Refer to «REMOVAL»(ref-400651-S22641746422011051800000) . NEXT: Go to next step
  3. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NEXT: Go to next step
  4. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NEXT --> END
  5. GO TO DTC B1771. Refer to «DTC B1771: Passenger Side Buckle Switch Circuit Malfunction»(ref-400953-S27641228032011051800000)
  1. CHECK DTC Turn the engine switch on (IG), and wait for at least 10 seconds. Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Result A DTCs B1771 and B1795 are output. B DTC B1795 is output. HINT: Codes other than DTCs B1771 and B1795 may be output at this time, but they are not related to this check. A --> See step 5 B: Go to next step
  2. REPLACE OCCUPANT CLASSIFICATION ECU Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the occupant classification ECU. Refer to «REMOVAL»(ref-400651-S05034954142011051800000) . NEXT: Go to next step
  3. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NEXT: Go to next step
  4. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NEXT --> END
  5. GO TO DTC B1771. Refer to «DTC B1771: Passenger Side Buckle Switch Circuit Malfunction»(ref-400953-S27422314972011051800000)
  1. CHECK DTC Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S35984818542011051800000) . Turn the engine switch off, and wait for at least 10 seconds. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1796 is not output. HINT: Codes other than DTC B1796 may be output at this time, but they are not related to this check. NG --> See step 2 OK --> See step 5
  2. REPLACE OCCUPANT CLASSIFICATION ECU Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the occupant classification ECU. Refer to «REMOVAL»(ref-400651-S22641746422011051800000) . NEXT: Go to next step
  3. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NEXT: Go to next step
  4. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NEXT --> END
  5. USE SIMULATION METHOD TO CHECK. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-400649-S11887826212011051800000)
  1. CHECK DTC Turn the engine switch on (IG). Clear the DTCs stored in the occupant classification ECU. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . Clear the DTCs stored in the center airbag sensor assembly. Refer to «DTC CHECK / CLEAR»(ref-400811-S31749659202011051800000) . Turn the engine switch off, and wait for at least 10 seconds. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR»(ref-400952-S11089516862011051800000) . OK DTC B1796 is not output. HINT: Codes other than DTC B1796 may be output at this time, but they are not related to this check. NG --> See step 2 OK --> See step 5
  2. REPLACE OCCUPANT CLASSIFICATION ECU Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the occupant classification ECU. Refer to «REMOVAL»(ref-400651-S05034954142011051800000) . NEXT: Go to next step
  3. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NEXT: Go to next step
  4. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NEXT --> END
  5. USE SIMULATION METHOD TO CHECK. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING»(ref-400649-S16126263452011051800000)
  1. CHECK SRS WARNING LIGHT Turn the engine switch on (IG), and check the SRS warning light condition. HINT: If this trouble occurs, the SRS warning light is off. If the light is on, a DTC is output. Troubleshoot for the output DTC. OK After the primary check period, the SRS warning light goes off. HINT: The primary check is performed for approximately 6 seconds after the engine switch is turned on (IG). NG --> See step 16 OK: Go to next step
  2. PERFORM ZERO POINT CALIBRATION Turn the engine switch off. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NG --> See step 4 OK: Go to next step
  3. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NG --> See step 4 OK --> END
  4. RETIGHTEN FRONT SEAT ASSEMBLY RH BOLT Turn the engine switch off. Loosen the 4 installation bolts of the front seat assembly RH. Tighten the 4 installation bolts of the front seat assembly RH to the specified torque. Torque: 37 N*m (377 kgf*cm, 27 ft.*lbf) NEXT: Go to next step
  5. PERFORM ZERO POINT CALIBRATION Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NG --> See step 7 OK: Go to next step
  6. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NG --> See step 7 OK --> END
  7. READ VALUE USING PASSENGER SIDE BUCKLE SWITCH Turn the engine switch on (IG). Using the Techstream, read Data List. Refer to «DATA LIST / ACTIVE TEST»(ref-400952-S33859836732011051800000) . Read the display when the passenger side buckle switch is operated. OCCUPANT DETECTION Tester Display Measurement Item / Range Normal Condition Diagnostic Note Passenger Buckle SW Passenger side buckle switch/ Set: The seat belt is fastened Unset: The seat belt is not fastened NG: Data is not determined Unset/Set - OK The Techstream display changes correctly in accordance with the operation of the buckle switch. NG --> See step 12 OK: Go to next step
  8. CHECK CONNECTORS Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Disconnect the connectors from the occupant classification ECU and 4 occupant classification sensors. Check that the terminals of connectors are not damaged. OK The terminals are not deformed or damaged. NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  9. REPLACE OCCUPANT CLASSIFICATION ECU Connect the connectors to the 4 occupant classification sensors. Replace the occupant classification ECU. Refer to «REMOVAL»(ref-400651-S22641746422011051800000) . NEXT: Go to next step
  10. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NEXT: Go to next step
  11. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NEXT --> END
  12. CHECK CONNECTORS Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Disconnect the connectors from the occupant classification ECU and front seat inner belt assembly RH. Check that the terminals of connectors are not damaged. OK The terminals are not deformed or damaged. NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  13. REPLACE FRONT SEAT INNER BELT ASSEMBLY RH Connect the connector to the occupant classification ECU. Replace the front seat inner belt assembly RH. Refer to «REMOVAL»(ref-400652-S33500818552011051800000) . NEXT: Go to next step
  14. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NEXT: Go to next step
  15. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NEXT --> END
  16. GO TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-400811-S03730430612011051800000)
  1. CHECK SRS WARNING LIGHT Turn the engine switch on (IG), and check the SRS warning light condition. HINT: If this trouble occurs, the SRS warning light is off. If the light is on, a DTC is output. Troubleshoot for the output DTC. OK After the primary check period, the SRS warning light goes off. HINT: The primary check is performed for approximately 6 seconds after the engine switch is turned on (IG). NG --> See step 16 OK: Go to next step
  2. PERFORM ZERO POINT CALIBRATION Turn the engine switch off. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NG --> See step 4 OK: Go to next step
  3. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NG --> See step 4 OK --> END
  4. RETIGHTEN FRONT SEAT ASSEMBLY RH BOLT Turn the engine switch off. Loosen the 4 installation bolts of the front seat assembly RH. Tighten the 4 installation bolts of the front seat assembly RH to the specified torque. Torque: 37 N*m (377 kgf*cm, 27 ft.*lbf) NEXT: Go to next step
  5. PERFORM ZERO POINT CALIBRATION Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NG --> See step 7 OK: Go to next step
  6. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NG --> See step 7 OK --> END
  7. READ VALUE USING PASSENGER SIDE BUCKLE SWITCH Turn the engine switch on (IG). Using the Techstream, read Data List. Refer to «DATA LIST / ACTIVE TEST»(ref-400952-S33859836732011051800000) . Read the display when the passenger side buckle switch is operated. OCCUPANT DETECTION Tester Display Measurement Item / Range Normal Condition Diagnostic Note Passenger Buckle SW Passenger side buckle switch/ Set: The seat belt is fastened Unset: The seat belt is not fastened NG: Data is not determined Unset/Set - OK The Techstream display changes correctly in accordance with the operation of the buckle switch. NG --> See step 12 OK: Go to next step
  8. CHECK CONNECTORS Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Disconnect the connectors from the occupant classification ECU and 4 occupant classification sensors. Check that the terminals of connectors are not damaged. OK The terminals are not deformed or damaged. NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  9. REPLACE OCCUPANT CLASSIFICATION ECU Connect the connectors to the 4 occupant classification sensors. Replace the occupant classification ECU. Refer to «REMOVAL»(ref-400651-S05034954142011051800000) . NEXT: Go to next step
  10. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NEXT: Go to next step
  11. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NEXT --> END
  12. CHECK CONNECTORS Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Disconnect the connectors from the occupant classification ECU and front seat inner belt assembly RH. Check that the terminals of connectors are not damaged. OK The terminals are not deformed or damaged. NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  13. REPLACE FRONT SEAT INNER BELT ASSEMBLY RH Connect the connector to the occupant classification ECU. Replace the front seat inner belt assembly RH. Refer to «REMOVAL»(ref-400652-S31627949502011051800000) . NEXT: Go to next step
  14. PERFORM ZERO POINT CALIBRATION Connect the cable to the negative (-) battery terminal. Connect the Techstream to the DLC3. Turn the engine switch on (IG). Using the Techstream, perform Zero Point Calibration. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . OK "Zero Point Calibration is complete." is displayed. NEXT: Go to next step
  15. PERFORM SENSITIVITY CHECK Using the Techstream, perform Sensitivity Check. Refer to «INITIALIZATION»(ref-400952-S26316304782011051800000) . Standard 27 to 33 kg (59.5 to 72.8 lb) NEXT --> END
  16. GO TO DTC CHART. Refer to «DIAGNOSTIC TROUBLE CODE CHART»(ref-400811-S02490402752011051800000)

More articles — Occupant Classification System (Diagnostic Codes & Symptom Tests)