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TROUBLESHOOTING SUPPLEMENTAL RESTRAINT SYSTEM (SRS) 52B-103 lever, and disconnect the SRS-ECU connector. DANGER To release the SRS-ECU connector short AC609126AF Locking button Flat-tipped Inflator Harness side (3) Use the flat-tipped screwdriver to pull out the locking button of harness side connector. After AC905150 AR A A Harness side Section Cable tie Short spring 4 mm or more Terminal CAUTION The short spring may not be released due to the mm) such as cable tie between the KDS-, KDS+ (5) Take the measurements below at the SRS-ECU harness side connector. • Continuity between KDS-, KDS+ line OK: No continuity Q: Is the check result normal? YES : Go to Step 6. NO : Repair the wiring harness KDS-, KDS+ line STEP 6. Check whether the diagnosis code is Q: Is the diagnosis code No. B1631 set? YES : Replace SRS-ECU (Refer to NO : Intermittent malfunction (Refer to GROUP − How to Use Troubleshooting/Inspection Service Points − How to Cope with Intermittent Malfunction ). Code No.B1632 Driver's knee air bag module (squib) system (open circuit of squib circuit) CAUTION If the diagnosis code B1632 is set to SRS-ECU, OPERATION Only when the frontal impact exceeding the threshold TROUBLE JUDGEMENT The code is set when the open circuit occurs to the PROBABLE CAUSES • Poor contact of connector • Open circuit to driver's knee air bag module (squib) circuit • Malfunction of SRS-ECU |