Theft Deterrent System (W/O Entry And Start System) Terminals Of Ecu

Vehicle Interior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Theft Deterrent Keyless Entry. Land Cruiser. Urj200, 202 Grj200 Vdj200
  1. CHECK MAIN BODY ECU (COWL SIDE JUNCTION BLOCK ASSEMBLY LH)

Theft Deterrent System (W/O Entry And Start System) -- Terminals Of Ecu



CHECK MAIN BODY ECU (COWL SIDE JUNCTION BLOCK ASSEMBLY LH)

Land Cruiser. Urj200, 202 Grj200 Vdj200.Theft Deterrent Keyless Entry.Entry And Start System (For Entry Function).Theft Deterrent System (W/O Entry And Start System)  Terminals Of Ecu

  1. Disconnect the 2A, 2B, 2D and E4 main body ECU connectors.

  2. Measure the voltage and resistance according to the value(s) in the table below.

    Terminal No. (Symbol)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    2A-1 (ALTB) - Body ground
    B - Body ground
    Battery power supply
    Always
    11 to 14 V
    2B-20 (BATB) - Body ground
    L - Body ground
    Battery power supply
    Always
    11 to 14 V
    2D-47 (IG) - Body ground
    R - Body ground
    IG power supply
    Ignition switch ON
    11 to 14 V
    Ignition switch off
    Below 1 V
    2D-47 (ACC) - Body ground
    R - Body ground
    ACC power supply
    Ignition switch ACC
    11 to 14 V
    Ignition switch off
    Below 1 V
    2D-62 (GND2) - Body ground
    W-B - Body ground
    Ground
    Always
    Below 1 Ω
    E4-5 (KSW) - Body ground
    BR - Body ground
    Unlock warning switch input
    No key in ignition key cylinder
    10 kΩ or higher
    Key inserted in ignition key cylinder
    Below 1 Ω
    If the result is not as specified, there may be a malfunction in the wire harness.
  3. Reconnect the 2A, 2B, 2D and E4 main body ECU connectors.

  4. Measure the voltage and resistance according to the value(s) in the table below.

    Terminal No. (Symbol)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    E1-24 (DCTY) - Body ground
    L - Body ground*1
    P - Body ground*2
    Driver side door courtesy switch input
    Driver side door open
    Below 1 V
    Ignition switch off, and driver side door courtesy switch off
    Pulse generation
    E2-21 (PCTY) - Body ground
    P - Body ground*1
    L - Body ground*2
    Front passenger side door courtesy switch input
    Front passenger side door open
    Below 1 V
    Ignition switch off, and passenger side door courtesy switch off
    Pulse generation
    2C-2 (LCTY) - Body ground
    W - Body ground
    Rear door LH courtesy light switch input
    Rear door LH open
    Below 1 V
    Ignition switch off, and rear LH side door courtesy switch off
    Pulse generation
    E1-17 (RCTY) - Body ground
    G - Body ground
    Rear door RH courtesy light switch input
    Rear door RH open
    Below 1 V
    Ignition switch off, and rear RH side door courtesy switch off
    Pulse generation
    E2-25 (BCTY) - Body ground
    W - Body ground
    Back door courtesy light switch input
    Back door open
    Below 1 V
    Ignition switch off, and back door closed
    Pulse generation
    2D-3 (ACT+) - Body ground
    L - Body ground
    Driver side door lock motor lock drive output
    Master switch (door control switch) or driver side door key cylinder in neutral position
    Below 1 V
    Master switch (door control switch) or driver side door key cylinder in lock position
    11 to 14 V
    E1-5 (ACTD) - Body ground
    B - Body ground
    Driver side door lock motor unlock drive output
    Master switch (door control switch) or driver side door key cylinder in neutral position
    Below 1 V
    Master switch (door control switch) or driver side door key cylinder in unlock position
    11 to 14 V
    2D-3 (ACT+) - Body ground
    L - Body ground
    Front passenger side door lock motor lock drive output
    Master switch (door control switch) or driver side door key cylinder in neutral position
    Below 1 V
    Master switch (door control switch) or driver side door key cylinder in lock position
    11 to 14 V
    2D-2 (ACT-) - Body ground
    B - Body ground
    Front passenger side door lock motor unlock drive output
    Master switch (door control switch) or driver side door key cylinder in neutral position
    Below 1 V
    Master switch (door control switch) or driver side door key cylinder in unlock position
    11 to 14 V
    2D-3 (ACT+) - Body ground
    L - Body ground
    Rear door LH lock motor lock drive output
    Master switch (door control switch) or driver side door key cylinder in neutral position
    Below 1 V
    Master switch (door control switch) or driver side door key cylinder in lock position
    11 to 14 V
    2C-23 (ACT-) - Body ground
    B - Body ground
    Rear door LH lock motor unlock drive output
    Master switch (door control switch) or driver side door key cylinder in neutral position
    Below 1 V
    Master switch (door control switch) or driver side door key cylinder in unlock position
    11 to 14 V
    2D-3 (ACT+) - Body ground
    L - Body ground
    Rear door RH lock motor lock drive output
    Master switch (door control switch) or driver side door key cylinder in neutral position
    Below 1 V
    Master switch (door control switch) or driver side door key cylinder in lock position
    11 to 14 V
    2D-2 (ACT-) - Body ground
    B - Body ground
    Rear door RH lock motor unlock drive output
    Master switch (door control switch) or driver side door key cylinder in neutral position
    Below 1 V
    Master switch (door control switch) or driver side door key cylinder in unlock position
    11 to 14 V
    E1-10 (UL3) - Body ground
    Y - Body ground*1
    L - Body ground*2
    Driver side door lock key switch input
    Driver side door key cylinder in unlock position
    Below 1 V
    Ignition switch off, all doors closed and driver side door key cylinder in neutral position
    Pulse generation
    2D-53 (L2) - Body ground
    LG - Body ground
    Driver side door lock key switch input
    Driver side door key cylinder in lock position
    Below 1 V
    Ignition switch off, all doors closed and driver side door key cylinder in neutral position
    Pulse generation
    E1-9 (LSWD) - Body ground
    BE - Body ground
    Driver side door lock position switch input
    Driver side door unlocked
    Below 1 V
    Ignition switch off, all doors closed and driver side door locked
    Pulse generation
    E2-27 (LSWP) - Body ground
    Y - Body ground*1
    BE - Body ground*2
    Passenger side door lock position switch input
    Passenger side door unlocked
    Below 1 V
    Ignition switch off, all doors closed and passenger side door locked
    Pulse generation
    2C-1 (LSWL) - Body ground
    BE - Body ground
    Rear door LH lock position switch input
    Rear door LH unlocked
    Below 1 V
    Ignition switch off, all doors closed and rear door LH locked
    Pulse generation
    E2-5 (LSWR) - Body ground
    BE - Body ground
    Rear door RH lock position switch input
    Rear door RH unlocked
    Below 1 V
    Ignition switch off, all doors closed and rear door RH locked
    Pulse generation
    E4-4 (IND) - Body ground
    V - Body ground
    Security indicator signal
    Security indicator illuminated (illuminates only for 60 sec. in alarm sounding state (blinking when system in armed state))
    6 to 11 V
    E4-6 (SH) - Body ground
    LG - Body ground
    Security horn signal
    Security horn not sounding (theft deterrent system in alarm sounding state)
    11 to 14 V
    Security horn sounding (theft deterrent system in alarm sounding state)
    0.5 to 4 V
    E1-16 (HCTY) - Body ground
    W - Body ground
    Engine hood courtesy switch signal
    Engine hood closed
    10 kΩ or higher
    Engine hood open
    Below 1 Ω
    1. *1: for LHD
    2. *2: for RHD
    If the result is not as specified, the main body ECU may have a malfunction.