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SEAT BELT – SEAT BELT WARNING SYSTEM SB–15 SB 2. CENTER AIRBAG SENSOR ASSEMBLY 3. OCCUPANT CLASSIFICATION ECU (a) Disconnect the Q4 occupant classification ECU connector. (b) Measure the voltage and resistance of the wire harness side connector. Standard: If the result is not as specified, there may be a (c) Reconnect the occupant classification ECU connector. (d) Measure the resistance of the wire harness side connector. Standard: Terminal No. Terminal Symbol Destination E29-13 PBEW Combination meter assembly E29-21 IG2 IGN fuse E29-25 E1 Ground K1-12 FSP+ Occupant Classification ECU K1-13 FSP- Occupant Classification ECU L1 K1 E29 C141045E01 Q4 Q5 H100909E12 Symbols (Terminals No.) Wiring Color Terminal Description Condition Specified Condition Q4-1 (+B) - Body ground W-R - Body ground Battery Always 11 to 14 V Q4-3 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω Q4-7 (IG) - Body ground B-O - Body ground Ignition switch signal Ignition switch OFF → ON Below 1 V → 11 to 14 V Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition Q4-4 (FSR-) - Q4-3 (GND) B - W-B Center airbag sensor assembly communication line (-) Always Below 1 Ω Q4-5 (BGND) - Q4-3 (GND) GR - W-B Passenger side buckle switch ground line Always Below 1 Ω |