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Diagnosis Procedure
warning
  • Before servicing, ignition switch OFF, disconnect battery negative terminal, and wait at least 3 minutes or more. (To discharge backup capacitor.)
  • Never use unspecified tester or other measuring device.
1.CHECK DTC PRIORITY
If DTC U2176-81 is displayed with Network-DTC, first perform the trouble diagnosis for Network-DTC.
Is applicable DTC detected?
Perform diagnosis of applicable. Refer to DTC IndexDTC Index.
 
2.CHECK CHASSIS CONTROL MODULE SELF-DIAGNOSIS RESULTS
Check if any DTC is detected in “Self Diagnostic Result” of “CHASSIS CONTROL”.
Is any DTC detected?
Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to DTC Index.
Replace air bag diagnosis sensor unit. Refer to Removal and Installation.