Terminals Of Ecu [09/2014 - ]
- OCCUPANT DETECTION ECU
HINT:
Since the occupant detection ECU uses waterproof connectors, the voltage and waveform cannot be inspected directly. Standard voltage readings and waveforms are indicated for reference only.
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specification z12-1 (+B) - z12-3 (GND) - Battery Always 11 to 14 V z12-2 (DIA) - z12-3 (GND) - Diagnosis (DLC3) Engine switch on (IG), Techstream not connected to DLC3 Below 1 V z12-3 (GND) - Body ground None - Body ground Ground Always Below 1 V z12-4 (FSR-) - z12-3 (GND) - Center airbag sensor assembly communication line Always Below 1 V z12-5 - z12-3 (GND) - Front passenger side buckle switch ground line Always Below 1 V z12-6 (IG2) - z12-3 (GND) - Power source Engine switch on (IG) 11 to 14 V z12-7 (FSR+) - z12-4 (FSR-) - Center airbag sensor assembly communication line Engine switch on (IG) Pulse generation z12-8 - z12-5 - Front passenger side buckle switch line Always Pulse generation z13-1 - z13-5 - Rear occupant classification sensor LH power supply line Engine switch on (IG) 4.9 to 5.1 V z13-2 - z13-6 - Rear occupant classification sensor RH power supply line Engine switch on (IG) 4.9 to 5.1 V z13-3 - z13-5 - Rear occupant classification sensor LH signal line Engine switch on (IG) Pulse generation z13-4 - z13-6 - Rear occupant classification sensor RH signal line Engine switch on (IG) Pulse generation z13-5 - z12-3 (GND) - Rear occupant classification sensor LH ground line Always Below 1 V z13-6 - z12-3 (GND) - Rear occupant classification sensor RH ground line Always Below 1 V