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Terminals Of Ecu

  1. CHECK POWER WINDOW REGULATOR MASTER SWITCH 
    Fig 1: Identifying Terminals Of ECU (Power Window Regulator Master Switch)
    G04438566Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    POWER WINDOW REGULATOR MASTER SWITCH

    Symbols (Terminal No.) Wiring Color Condition Specified Condition
    GND (P12-2) - Body ground W-B - Body ground Always Below 1 V
    KL (P12-4) - KEYE (P12-3) L-W - W-B Door key lock and unlock switch is in LOCK position Below 1 V
    Door key lock and unlock switch is in OFF position 10 to 14 V
    MPX1 (P12-7) B Multiplex communication circuit -
    CPUB (P12-9) - GND (P12-2) L-W - W-B Always 10 to 14 V
    BDR (P12-10) - GND (P12-2) L - W-B Always 10 to 14 V
    SGND (P12-13) - Body ground BR-B - Body ground Always Below 1 V
    KUL (P12-14) - KEYE (P12-13) G-B - W-B Door key lock and unlock switch is in OFF position 10 to 14 V
    Door key lock and unlock switch is in UNLOCK position Below 1 V
    LSWD (P12-16) - KEYE (P12-3) L-B - W-B Driver door lock position switch ON 10 to 14 V
    Driver door lock position switch OFF Below 1 V
    SIG (P12-20) - GND (P12-2) B-W - W-B Ignition switch ON 10 to 14 V
  2. CHECK BODY ECU 
    Fig 2: Identifying Terminals Of ECU (Body ECU)
    G04438567Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    BODY ECU

    Symbols (Terminal No.) Wiring Color Condition Specified Condition
    GND1 (4) - Body ground - Always Below 1 V
    LSR (5) - GND1 (4) - Rear door RH / Rear door LH / Back door lock switch is unlock position Below 1 V
    LSR (5) - GND2 (16) - Rear door RH / Rear door LH / Back door lock switch is unlock position Below 1 V
    BECU (11) - GND1 (4) - Always 10 to 14 V
    BECU (11) - GND2 (16) - Always 10 to 14 V
    BDR1 (12) - GND1 (4) - Always 10 to 14 V
    BDR1 (12) - GND2 (16) - Always 10 to 14 V
    UL1 (15) - GND1 (4) - Driver door lock control switch is UNLOCK position Below 1 V
    UL1 (15) - GND2 (16) - Driver door lock control switch is UNLOCK position Below 1 V
    GND2 (16) - Body ground - Always Below 1 V
    L1 (19) - GND1 (4) - Driver door lock control switch is LOCK position Below 1 V
    L1 (19) - GND2 (16) - Driver door lock control switch is LOCK position Below 1 V
    L2 (20) - GND1 (4) - Driver door key lock and unlock switch is LOCK position Below 1 V
    L2 (20) - GND2 (16) - Driver door key lock and unlock switch is LOCK position Below 1 V
    ACT+ (23) - ACT- (24) - Door lock motor is operated 10 to 14 V
    ACTD (B7-10) - GND1 (4) L-B - Body ground Door lock motor is operated 10 to 14 V
    ACTD (B7-10) - GND2 (16) L-B - Body ground Door lock motor is operated 10 to 14 V
    UL2 (B7-22) - GND1 (4) G-B - Body ground Door key lock and unlock switch is LOCK position Below 1 V
    UL2 (B7-22) - GND2 (16) G-B - Body ground Door key lock and unlock switch is LOCK position Below 1 V
    LSWP (B7-30) - GND1 (4) L-O - Body ground Passenger door lock switch is UNLOCK position Below 1 V
    LSWP (B7-30) - GND2 (16) L-O - Body ground Passenger door lock switch is UNLOCK position Below 1 V
    RLCY (B8-11) - GND1 (4) R-L - Body ground Rear door LH door courtesy switch is ON (Door is opened) Below 1 V
    RLCY (B8-11) - GND2 (16) R-L - Body ground Rear door LH door courtesy switch is ON (Door is opened) Below 1 V
    RRCY (B8-12) - GND1 (4) R-G - Body ground Rear door RH door courtesy switch is ON (Door is opened) Below 1 V
    RRCY (B8-12) - GND2 (16) R-G - Body ground Rear door RH door courtesy switch is ON (Door is opened) Below 1 V
    DCTY (B8-23) - GND1 (4) R-Y - Body ground Driver door courtesy switch is ON (Door is opened) Below 1 V
    DCTY (B8-23) - GND2 (16) R-Y - Body ground Driver door courtesy switch is ON (Door is opened) Below 1 V
    PCTY (B8-24) - GND1 (4) R-B - Body ground Passenger door courtesy switch is ON (Door is opened) Below 1 V
    PCTY (B8-24) - GND2 (16) R-B - Body ground Passenger door courtesy switch is ON (Door is opened) Below 1 V
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