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Occupant Classification System (Diagnostic Codes & Symptom Tests): Other Lexus ES XV60

Airbag ~3973 words

PROCEDURE

  1. PERFORM ZERO POINT CALIBRATION AND SENSITIVITY CHECK Using the Techstream, perform Zero Point Calibration and Sensitivity Check. Refer to «INITIALIZATION [06/2012 - ]»(ref-598481-S25623628362014021400000) . OK "Zero Point Calibration is complete." and "Sensitivity Check is complete." are displayed. NG --> See step 3 OK: Go to next step
  2. CHECK DTC Clear the DTCs stored in the occupant detection ECU. Refer to «DTC CHECK / CLEAR [06/2012 - ]»(ref-598481-S06219441952014021400000) . Clear the DTCs stored in the airbag sensor assembly. Refer to «DTC CHECK / CLEAR [06/2012 - ]»(ref-598650-S20074771912014021400000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR [06/2012 - ]»(ref-598481-S06219441952014021400000) . 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. Turn the engine switch off. NG --> See step 3 OK --> END
  3. REPLACE FRONT SEAT ADJUSTER ASSEMBLY RH Disconnect the cable from the negative (-) battery terminal. Replace the front seat adjuster assembly RH. Refer to «REMOVAL [06/2012 - ]»(ref-598624-S12707437232014021400000) . Connect the cable to the negative (-) battery terminal. NEXT: Go to next step
  4. PERFORM ZERO POINT CALIBRATION AND SENSITIVITY CHECK Using the Techstream, perform Zero Point Calibration and Sensitivity Check. Refer to «INITIALIZATION [06/2012 - ]»(ref-598481-S25623628362014021400000) . NEXT --> END
  1. PERFORM ZERO POINT CALIBRATION AND SENSITIVITY CHECK Using the Techstream, perform Zero Point Calibration and Sensitivity Check. Refer to «INITIALIZATION [06/2012 - ]»(ref-598481-S25623628362014021400000) . OK "Zero Point Calibration is complete." and "Sensitivity Check is complete." are displayed. NG --> See step 3 OK: Go to next step
  2. CHECK DTC Clear the DTCs stored in the occupant detection ECU. Refer to «DTC CHECK / CLEAR [06/2012 - ]»(ref-598481-S06219441952014021400000) . Clear the DTCs stored in the airbag sensor assembly. Refer to «DTC CHECK / CLEAR [06/2012 - ]»(ref-598650-S20074771912014021400000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR [06/2012 - ]»(ref-598481-S06219441952014021400000) . 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. Turn the engine switch off. NG --> See step 3 OK --> END
  3. REPLACE FRONT SEAT ADJUSTER ASSEMBLY RH Disconnect the cable from the negative (-) battery terminal. Replace the front seat adjuster assembly RH. Refer to «REMOVAL [06/2012 - ]»(ref-598624-S12707437232014021400000) . Connect the cable to the negative (-) battery terminal. NEXT: Go to next step
  4. PERFORM ZERO POINT CALIBRATION AND SENSITIVITY CHECK Using the Techstream, perform Zero Point Calibration and Sensitivity Check. Refer to «INITIALIZATION [06/2012 - ]»(ref-598481-S25623628362014021400000) . 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 airbag sensor assembly and occupant detection ECU. Also check that the connectors that link the front seat wire RH and No. 2 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 airbag sensor assembly and occupant detection ECU. Also disconnect the connectors that link the front seat wire RH and No. 2 floor wire. Check that the terminals of the 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 connectors that link the No. 2 floor wire and front seat wire RH. 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 W23-7 (FSR+) - Body ground Engine switch on (IG) Below 1 V W23-4 (FSR-) - Body ground Engine switch on (IG) Below 1 V 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. TEXT IN ILLUSTRATION *1 Occupant Detection ECU *2 Airbag Sensor Assembly *a Front view of wire harness connector (to Occupant Detection ECU) NG --> See step 10 OK: Go to next step
  3. CHECK OCCUPANT CLASSIFICATION SYSTEM CIRCUIT (OPEN) Using a service wire, connect terminals 16 (FSR+) and 24 (FSR-) of connector B. NOTE: Do not forcibly insert the service wire into the terminals of the connector when connecting the wire. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition W23-7 (FSR+) - W23-4 (FSR-) Always Below 1 ohms TEXT IN ILLUSTRATION *1 Occupant Detection ECU *2 Airbag Sensor Assembly *3 Service Wire *a Front view of wire harness connector (to Airbag Sensor Assembly) *b Front view of wire harness connector (to Occupant Detection ECU) NG --> See step 11 OK: Go to next step
  4. CHECK OCCUPANT CLASSIFICATION SYSTEM CIRCUIT (SHORT) Disconnect the service wire from connector B. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition W23-7 (FSR+) - W23-4 (FSR-) Always 1 Mohms or higher TEXT IN ILLUSTRATION *1 Occupant Detection ECU *2 Airbag Sensor Assembly *a Front view of wire harness connector (to Occupant Detection ECU) NG --> See step 12 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 W23-7 (FSR+) - Body ground Always 1 Mohms or higher W23-4 (FSR-) - Body ground Always 1 Mohms or higher TEXT IN ILLUSTRATION *1 Occupant Detection ECU *2 Airbag Sensor Assembly *a Front view of wire harness connector (to Occupant Detection ECU) NG --> See step 13 OK: Go to next step
  6. CHECK DTC Connect the connectors to the occupant detection ECU and airbag sensor assembly. Connect the cable to the negative (-) battery terminal. Clear the DTCs stored in the occupant detection ECU. Refer to «DTC CHECK / CLEAR [06/2012 - ]»(ref-598481-S06219441952014021400000) . Clear the DTCs stored in the airbag sensor assembly. Refer to «DTC CHECK / CLEAR [06/2012 - ]»(ref-598650-S20074771912014021400000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR [06/2012 - ]»(ref-598481-S06219441952014021400000) . 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. Turn the engine switch off. NG --> See step 7 OK --> See step 14
  7. CHECK OCCUPANT DETECTION ECU Disconnect the cable from the negative (-) battery terminal. Replace the occupant detection ECU with a known good one. Refer to «REMOVAL [06/2012 - ]»(ref-598451-S27223724432014021400000) . HINT: Perform the following inspection using known good parts from another vehicle if possible. Connect the cable to the negative (-) battery terminal. Clear the DTCs stored in the occupant detection ECU. Refer to «DTC CHECK / CLEAR [06/2012 - ]»(ref-598481-S06219441952014021400000) . Clear the DTCs stored in the airbag sensor assembly. Refer to «DTC CHECK / CLEAR [06/2012 - ]»(ref-598650-S20074771912014021400000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR [06/2012 - ]»(ref-598481-S06219441952014021400000) . 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. Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Restore the occupant detection ECU that was installed for testing to its original location. Refer to «REMOVAL [06/2012 - ]»(ref-598451-S27223724432014021400000) . NG --> See step 15 OK: Go to next step
  8. REPLACE OCCUPANT DETECTION ECU Disconnect the cable from the negative (-) battery terminal. Replace the occupant detection ECU with a new one. Refer to «REMOVAL [06/2012 - ]»(ref-598451-S27223724432014021400000) . Connect the cable to the negative (-) battery terminal. NEXT: Go to next step
  9. PERFORM ZERO POINT CALIBRATION AND SENSITIVITY CHECK Using the Techstream, perform Zero Point Calibration and Sensitivity Check. Refer to «INITIALIZATION [06/2012 - ]»(ref-598481-S25623628362014021400000) . NEXT --> END
  10. CHECK NO. 2 FLOOR WIRE (SHORT TO B+) Disconnect the front seat wire RH connector from the No. 2 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 QW2-1 (FSR+) - Body ground Engine switch on (IG) Below 1 V QW2-4 (FSR-) - Body ground Engine switch on (IG) Below 1 V TEXT IN ILLUSTRATION *1 Occupant Detection ECU *2 Airbag Sensor Assembly *3 Front Seat Wire RH *4 No. 2 Floor Wire *a Front view of wire harness connector (to Front Seat Wire RH) NG --> REPLACE NO. 2 FLOOR WIRE OK --> REPLACE FRONT SEAT WIRE RH
  11. CHECK NO. 2 FLOOR WIRE (OPEN) Disconnect the front seat wire RH connector from the No. 2 floor wire. HINT: The service wire 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 QW2-1 (FSR+) - QW2-4 (FSR-) Always Below 1 ohms Disconnect the service wire from connector B. TEXT IN ILLUSTRATION *1 Occupant Detection ECU *2 Airbag Sensor Assembly *3 Front Seat Wire RH *4 No. 2 Floor Wire *5 Service Wire *a Front view of wire harness connector (to Airbag Sensor Assembly) *b Front view of wire harness connector (to Front Seat Wire RH) NG --> REPLACE NO. 2 FLOOR WIRE OK --> REPLACE FRONT SEAT WIRE RH
  12. CHECK NO. 2 FLOOR WIRE (SHORT) Disconnect the front seat wire RH connector from the No. 2 floor wire. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition QW2-1 (FSR+) - QW2-4 (FSR-) Always 1 Mohms or higher TEXT IN ILLUSTRATION *1 Occupant Detection ECU *2 Airbag Sensor Assembly *3 Front Seat Wire RH *4 No. 2 Floor Wire *a Front view of wire harness connector (to Front Seat Wire RH) NG --> REPLACE NO. 2 FLOOR WIRE OK --> REPLACE FRONT SEAT WIRE RH
  13. CHECK NO. 2 FLOOR WIRE (SHORT TO GROUND) Disconnect the front seat wire RH connector from the No. 2 floor wire. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition QW2-1 (FSR+) - Body ground Always 1 Mohms or higher QW2-4 (FSR-) - Body ground Always 1 Mohms or higher TEXT IN ILLUSTRATION *1 Occupant Detection ECU *2 Airbag Sensor Assembly *3 Front Seat Wire RH *4 No. 2 Floor Wire *a Front view of wire harness connector (to Front Seat Wire RH) NG --> REPLACE NO. 2 FLOOR WIRE OK --> REPLACE FRONT SEAT WIRE RH
  14. USE SIMULATION METHOD TO CHECK. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING [06/2012 - ]»(ref-598449-S34618498472014021400000)
  15. REPLACE AIRBAG SENSOR ASSEMBLY. Refer to «REMOVAL [06/2012 - ]»(ref-598451-S42601605772014021400000)
  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 2 rear occupant classification sensors and occupant detection 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 2 rear occupant classification sensors and occupant detection ECU. Check that the terminals of the 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 W22-1 (SVC3) - Body ground Engine switch on (IG) Below 1 V W22-2 (SVC4) - Body ground Engine switch on (IG) Below 1 V Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. TEXT IN ILLUSTRATION *1 Rear Occupant Classification Sensor LH *2 Rear Occupant Classification Sensor RH *3 Occupant Detection ECU *4 Front Seat Wire RH *a Front view of wire harness connector (to Occupant Detection ECU) NG --> See step 11 OK: Go to next step
  3. 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 W22-1 (SVC3) - Body ground Always 1 Mohms or higher W22-2 (SVC4) - Body ground Always 1 Mohms or higher TEXT IN ILLUSTRATION *1 Rear Occupant Classification Sensor LH *2 Rear Occupant Classification Sensor RH *3 Occupant Detection ECU *4 Front Seat Wire RH *a Front view of wire harness connector (to Occupant Detection ECU) NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  4. 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 W22-1 (SVC3) - W22-2 (SVC4) Always 1 Mohms or higher TEXT IN ILLUSTRATION *1 Rear Occupant Classification Sensor LH *2 Rear Occupant Classification Sensor RH *3 Occupant Detection ECU *4 Front Seat Wire RH *a Front view of wire harness connector (to Occupant Detection ECU) NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  5. CHECK DTC Connect the connectors to the occupant detection ECU and 2 rear occupant classification sensors. Connect the cable to the negative (-) battery terminal. Clear the DTCs stored in the occupant detection ECU. Refer to «DTC CHECK / CLEAR [06/2012 - ]»(ref-598481-S06219441952014021400000) . Clear the DTCs stored in the airbag sensor assembly. Refer to «DTC CHECK / CLEAR [06/2012 - ]»(ref-598650-S20074771912014021400000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR [06/2012 - ]»(ref-598481-S06219441952014021400000) . 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. Turn the engine switch off. NG --> See step 6 OK --> See step 13
  6. CHECK OCCUPANT DETECTION ECU Disconnect the cable from the negative (-) battery terminal. Replace the occupant detection ECU with a known good one. Refer to «REMOVAL [06/2012 - ]»(ref-598451-S27223724432014021400000) . HINT: Perform the following inspection using known good parts from another vehicle if possible. Connect the cable to the negative (-) battery terminal. Clear the DTCs stored in the occupant detection ECU. Refer to «DTC CHECK / CLEAR [06/2012 - ]»(ref-598481-S06219441952014021400000) . Clear the DTCs stored in the airbag sensor assembly. Refer to «DTC CHECK / CLEAR [06/2012 - ]»(ref-598650-S20074771912014021400000) . Turn the engine switch off. Turn the engine switch on (IG). Check for DTCs. Refer to «DTC CHECK / CLEAR [06/2012 - ]»(ref-598481-S06219441952014021400000) . 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. Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Restore the occupant detection ECU that was installed for testing to its original location. Refer to «REMOVAL [06/2012 - ]»(ref-598451-S27223724432014021400000) . NG --> See step 9 OK: Go to next step
  7. REPLACE OCCUPANT DETECTION ECU Disconnect the cable from the negative (-) battery terminal. Replace the occupant detection ECU with a new one. Refer to «REMOVAL [06/2012 - ]»(ref-598451-S27223724432014021400000) . Connect the cable to the negative (-) battery terminal. NEXT: Go to next step
  8. PERFORM ZERO POINT CALIBRATION AND SENSITIVITY CHECK Using the Techstream, perform Zero Point Calibration and Sensitivity Check. Refer to «INITIALIZATION [06/2012 - ]»(ref-598481-S25623628362014021400000) . NEXT --> END
  9. REPLACE FRONT SEAT ADJUSTER ASSEMBLY RH Disconnect the cable from the negative (-) battery terminal. Replace the front seat adjuster assembly RH. Refer to «REMOVAL [06/2012 - ]»(ref-598624-S12707437232014021400000) . Connect the cable to the negative (-) battery terminal. NEXT: Go to next step
  10. PERFORM ZERO POINT CALIBRATION AND SENSITIVITY CHECK Using the Techstream, perform Zero Point Calibration and Sensitivity Check. Refer to «INITIALIZATION [06/2012 - ]»(ref-598481-S25623628362014021400000) . NEXT --> END
  11. REPLACE FRONT SEAT ADJUSTER ASSEMBLY RH Disconnect the cable from the negative (-) battery terminal. Replace the front seat adjuster assembly RH. Refer to «REMOVAL [06/2012 - ]»(ref-598624-S12707437232014021400000) . NOTE: Replace the front seat wire RH at the same time. HINT: When the front seat wire RH has a short to B+, the rear occupant classification sensors will be damaged. Therefore, replace the front seat wire RH and the front seat adjuster assembly RH, which includes the rear occupant classification sensors. Connect the cable to the negative (-) battery terminal. NEXT: Go to next step
  12. PERFORM ZERO POINT CALIBRATION AND SENSITIVITY CHECK Using the Techstream, perform Zero Point Calibration and Sensitivity Check. Refer to «INITIALIZATION [06/2012 - ]»(ref-598481-S25623628362014021400000) . NEXT --> END
  13. USE SIMULATION METHOD TO CHECK. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING [06/2012 - ]»(ref-598449-S34618498472014021400000)
  1. CHECK BATTERY VOLTAGE Measure the voltage of the battery. Standard Voltage 11 to 14 V NG --> See step 6 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 detection 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 W23-1 (+B) - Body ground Always 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 W23-3 (GND) - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *a Front view of wire harness connector (to Occupant Detection ECU) NG --> REPLACE WIRE HARNESS OK: Go to next step
  3. CHECK DTC Disconnect the cable from the negative (-) battery terminal. Connect the connector to the occupant detection ECU. Connect the cable to the negative (-) battery terminal. Clear the DTCs stored in the occupant detection ECU. Refer to «DTC CHECK / CLEAR [06/2012 - ]»(ref-598481-S06219441952014021400000) . Clear the DTCs stored in the airbag sensor assembly. Refer to «DTC CHECK / CLEAR [06/2012 - ]»(ref-598650-S20074771912014021400000) . Turn the engine switch off. Turn the engine switch on (IG), and wait for at least 10 seconds. Check for DTCs. Refer to «DTC CHECK / CLEAR [06/2012 - ]»(ref-598481-S06219441952014021400000) . 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. Turn the engine switch off. NG --> See step 4 OK --> See step 7
  4. REPLACE OCCUPANT DETECTION ECU Disconnect the cable from the negative (-) battery terminal. Replace the occupant detection ECU. Refer to «REMOVAL [06/2012 - ]»(ref-598451-S27223724432014021400000) . Connect the cable to the negative (-) battery terminal. NEXT: Go to next step
  5. PERFORM ZERO POINT CALIBRATION AND SENSITIVITY CHECK Using the Techstream, perform Zero Point Calibration and Sensitivity Check. Refer to «INITIALIZATION [06/2012 - ]»(ref-598481-S25623628362014021400000) . NEXT --> END
  6. INSPECT CHARGING SYSTEM AND BATTERY. Refer to «ON-VEHICLE INSPECTION [06/2012 - ]»(ref-598592-S13739592822014021400000)
  7. USE SIMULATION METHOD TO CHECK. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING [06/2012 - ]»(ref-598449-S34618498472014021400000)
  1. REPLACE OCCUPANT DETECTION ECU Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the occupant detection ECU. Refer to «REMOVAL [06/2012 - ]»(ref-598451-S27223724432014021400000) . Connect the cable to the negative (-) battery terminal. NEXT: Go to next step
  2. PERFORM ZERO POINT CALIBRATION AND SENSITIVITY CHECK Using the Techstream, perform Zero Point Calibration and Sensitivity Check. Refer to «INITIALIZATION [06/2012 - ]»(ref-598481-S25623628362014021400000) . NEXT --> END
  1. REPLACE OCCUPANT DETECTION ECU Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Replace the occupant detection ECU. Refer to «REMOVAL [06/2012 - ]»(ref-598451-S27223724432014021400000) . Connect the cable to the negative (-) battery terminal. NEXT: Go to next step
  2. PERFORM ZERO POINT CALIBRATION AND SENSITIVITY CHECK Using the Techstream, perform Zero Point Calibration and Sensitivity Check. Refer to «INITIALIZATION [06/2012 - ]»(ref-598481-S25623628362014021400000) . NEXT --> END
  1. CHECK SRS WARNING LIGHT Turn the engine switch on (IG), and check the SRS warning light condition. HINT: If passenger airbag ON/OFF indicator trouble occurs, the SRS warning light does not illuminate. If the light comes on, a DTC is stored. Troubleshoot for the 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 12 OK: Go to next step
  2. PERFORM ZERO POINT CALIBRATION AND SENSITIVITY CHECK Using the Techstream, perform Zero Point Calibration and Sensitivity Check. Refer to «INITIALIZATION [06/2012 - ]»(ref-598481-S25623628362014021400000) . OK "Zero Point Calibration is complete." and "Sensitivity Check is complete." are displayed. NG --> See step 3 OK --> END
  3. RETIGHTEN FRONT SEAT ASSEMBLY RH BOLT 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. Refer to «INSTALLATION [06/2012 - ]»(ref-598624-S28839485652014021400000) . NEXT: Go to next step
  4. PERFORM ZERO POINT CALIBRATION AND SENSITIVITY CHECK Using the Techstream, perform Zero Point Calibration and Sensitivity Check. Refer to «INITIALIZATION [06/2012 - ]»(ref-598481-S25623628362014021400000) . OK "Zero Point Calibration is complete." and "Sensitivity Check is complete." are displayed. NG --> See step 5 OK --> END
  5. READ VALUE USING TECHSTREAM Using the Techstream, read Data List. Refer to «DATA LIST / ACTIVE TEST [06/2012 - ]»(ref-598481-S18280795682014021400000) . 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 Set/Unset - OK The Techstream display changes correctly in accordance with the operation of the buckle switch. NG --> See step 9 OK: Go to next step
  6. CHECK CONNECTORS Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Disconnect the connectors from the occupant detection ECU and 2 rear occupant classification sensors. Check that the terminals of the connectors are not damaged. OK The terminals are not deformed or damaged. NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  7. REPLACE OCCUPANT DETECTION ECU Connect the connectors to the 2 rear occupant classification sensors. Replace the occupant detection ECU. Refer to «REMOVAL [06/2012 - ]»(ref-598451-S27223724432014021400000) . Connect the cable to the negative (-) battery terminal. NEXT: Go to next step
  8. PERFORM ZERO POINT CALIBRATION AND SENSITIVITY CHECK Using the Techstream, perform Zero Point Calibration and Sensitivity Check. Refer to «INITIALIZATION [06/2012 - ]»(ref-598481-S25623628362014021400000) . NEXT --> END
  9. CHECK CONNECTORS Turn the engine switch off. Disconnect the cable from the negative (-) battery terminal. Disconnect the connectors from the occupant detection ECU and front seat inner belt assembly RH. Check that the terminals of the connectors are not damaged. OK The terminals are not deformed or damaged. NG --> REPLACE FRONT SEAT WIRE RH OK: Go to next step
  10. REPLACE FRONT SEAT INNER BELT ASSEMBLY RH Connect the connector to the occupant detection ECU. Replace the front seat inner belt assembly RH. Refer to «REMOVAL [06/2012 - ]»(ref-598452-S29894036462014021400000) . Connect the cable to the negative (-) battery terminal. NEXT: Go to next step
  11. PERFORM ZERO POINT CALIBRATION AND SENSITIVITY CHECK Using the Techstream, perform Zero Point Calibration perform Zero Point Calibration and Sensitivity Check. Refer to «INITIALIZATION [06/2012 - ]»(ref-598481-S25623628362014021400000) . NEXT --> END
  12. GO TO AIRBAG SYSTEM. Refer to «DIAGNOSTIC TROUBLE CODE CHART [06/2012 - ]»(ref-598650-S21031100462014021400000)

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