Seat Belt Warning System - Terminals Of Ecu
SEAT BELT WARNING SYSTEM - TERMINALS OF ECU
CHECK COMBINATION METER ASSEMBLY |
Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
E7-17 (B) - Body ground | R - Body ground | Combination meter +B line | Always | 11 to 14 V |
E7-18 (IG+) - Body ground | B - Body ground | Combination meter IG line | Ignition switch ON | 11 to 14 V |
E7-15 (ET) - Body ground | BR - Body ground | Ground | Always | Below 1 Ω |
E7-22 (WRNP) - Body ground* | LG - Body ground | Front passenger seat belt signal | Ignition switch ON, front passenger seat is occupied, seat belt is fastened | Below 1 V |
Ignition switch ON, front passenger seat is occupied, seat belt is unfastened | 11 to 14 V |
CHECK MULTI-DISPLAY ASSEMBLY (w/ Airbag System [w/ Navigation System]) |

Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
F79-13 (GND1) - Body ground | BR - Body ground | Ground | Always | Below 1 Ω |
F79-12 (+B2) - Body ground | R - Body ground | Display navigation module display +B line | Always | 11 to 14 V |
F79-24 (ACC) - Body ground | GR - Body ground | Display navigation module display ACC line | Ignition switch ACC | 11 to 14 V |
F79-23 (IG) - Body ground | G - Body ground | Display navigation module display IG line | Ignition switch ON | 11 to 14 V |
F79-9 (PBEW) - Body ground | Y - Body ground | Front passenger seat belt warning signal | Ignition switch ON, front passenger seat is occupied, seat belt is fastened | Below 1 V |
Ignition switch ON, front passenger seat is occupied, seat belt is unfastened | 11 to 14 V |
CHECK CLOCK ASSEMBLY (w/ Airbag System [w/o Navigation System]) |

Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
g1-1 (E) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
g1-12 (B) - Body ground | R - Body ground | Clock +B line | Always | 11 to 14 V |
g1-10 (IG+) - Body ground | G - Body ground | Clock ACC line | Ignition switch ACC | 11 to 14 V |
g1-11 (ACC) - Body ground | GR - Body ground | Clock IG line | Ignition switch ON | 11 to 14 V |
g1-8 (LAPL) - Body ground | Y - Body ground | Passenger seat belt warning signal | Ignition switch ON, passenger seat is occupied, seat belt is fastened | Below 1 V |
Ignition switch ON, passenger seat is occupied, seat belt is unfastened | 11 to 14 V |
CHECK CENTER AIRBAG SENSOR ASSEMBLY (w/ Airbag System [w/ Side Airbag]) |

Terminal No. | Symbol | Destination |
K27-10*1 | LBE+ | Front seat inner belt assembly LH (Seat belt buckle switch LH) |
K27-18*1 | LBE- | Front seat inner belt assembly LH (Seat belt buckle switch LH) |
L27-15*2 | RBE+ | Front seat inner belt assembly RH (Seat belt buckle switch RH) |
L27-23*2 | RBE- | Front seat inner belt assembly RH (Seat belt buckle switch RH) |
CHECK CENTER AIRBAG SENSOR ASSEMBLY (w/ Airbag System [w/o Side Airbag]) |

Terminal No. | Symbol | Destination |
K32-11*1 | LBE+ | Front seat inner belt assembly LH (Seat belt buckle switch LH) |
K32-12*1 | LBE- | Front seat inner belt assembly LH (Seat belt buckle switch LH) |
L38-15*2 | RBE+ | Front seat inner belt assembly RH (Seat belt buckle switch RH) |
L38-14*2 | RBE- | Front seat inner belt assembly RH (Seat belt buckle switch RH) |
CHECK MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH) (w/o Airbag System) |

Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
2B-20 (BATB) - Body ground | L - Body ground | Battery power supply | Always | 11 to 14 V |
2A-1 (ACC) - Body ground | B - Body ground | ACC power supply | Ignition switch ACC | 11 to 14 V |
Ignition switch off | Below 1 V |
2D-62 (GND2*1) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
2D-62 (GND1*2) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
E1-7 (DBKL) - Body ground | B - Body ground | Driver seat belt signal | Ignition switch ON, driver side seat belt is fastened | Below 1 V |
Ignition switch ON, driver side seat belt is unfastened | 11 to 14 V |
*1: w/ Entry and Start System
*2: w/o Entry and Start System