Theft Deterrent System -- Terminals Of Ecu |
CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |

*A | for LHD | *B | for RHD |
Remove the main body ECU (LandCruiser RM000003WBO05FX.html).
Measure the voltage and resistance according to the value(s) in the table below.
If the result is not as specified, there may be a malfunction in the wire harness.Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition A-30 (BECU) - Body ground - Auxiliary battery power supply Always 11 to 14 V A-31 (ALTB) - Body ground - Auxiliary battery power supply Always 11 to 14 V A-32 (IG) - Body ground - Ignition switch power supply Ignition switch ON 11 to 14 V A-32 (IG) - Body ground - Ignition switch power supply Ignition switch off Below 1 V A-29 (ACC) - Body ground - ACC power supply Ignition switch ACC 11 to 14 V A-29 (ACC) - Body ground - ACC power supply Ignition switch off Below 1 V A-11 (GND1) - Body ground - Ground Always Below 1 Ω G63-3 (GND2) - Body ground W-B - Body ground Ground Always Below 1 Ω Install the main body ECU (LandCruiser RM000003WBM05CX.html).
Measure the voltage according to the value(s) in the table below.
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition 2I-27 (FLCY) - Body ground*1 R - Body ground Front door LH courtesy switch input Front door LH open Below 1 V 2I-27 (FLCY) - Body ground*1 R - Body ground Front door LH courtesy switch input Front door LH closed 11 to 14 V 2D-31 (FLCY) - Body ground*2 R - Body ground Front door LH courtesy switch input Front door LH open Below 1 V 2D-31 (FLCY) - Body ground*2 R - Body ground Front door LH courtesy switch input Front door LH closed 11 to 14 V 2D-15 (FRCY) - Body ground*1 B - Body ground Front door RH courtesy switch input Front door RH open Below 1 V 2D-15 (FRCY) - Body ground*1 B - Body ground Front door RH courtesy switch input Front door RH closed 11 to 14 V 2H-26 (FRCY) - Body ground*2 B - Body ground Front door RH courtesy switch input Front door RH open Below 1 V 2H-26 (FRCY) - Body ground*2 B - Body ground Front door RH courtesy switch input Front door RH closed 11 to 14 V G65-3 (LCTY) - Body ground*3 V - Body ground Rear door LH courtesy light switch input Rear door LH open Below 1 V G65-3 (LCTY) - Body ground*3 V - Body ground Rear door LH courtesy light switch input Rear door LH closed 11 to 14 V G64-6 (RCTY) - Body ground*3 R - Body ground Rear door RH courtesy light switch input Rear door RH open Below 1 V G64-6 (RCTY) - Body ground*3 R - Body ground Rear door RH courtesy light switch input Rear door RH closed 11 to 14 V G64-19 (BCTY) - Body ground G - Body ground Back door courtesy light switch input Back door open Below 1 V G64-19 (BCTY) - Body ground G - Body ground Back door courtesy light switch input Ignition switch off, all doors closed and back door closed Pulse generation (see waveform 1 or 2) G64-1 (GCTY) - Body ground*4 V - Body ground Glass hatch courtesy switch input Glass hatch open Below 1 V G64-1 (GCTY) - Body ground*4 V - Body ground Glass hatch courtesy switch input Ignition switch off, all doors closed and glass hatch closed Pulse generation (see waveform 3 or 4) G64-11 (L2) - Body ground GR - Body ground Driver side door key-linked lock input Driver side door key cylinder lock position Below 1 V G64-11 (L2) - Body ground GR - Body ground Driver side door key-linked lock input Ignition switch off, all doors closed and driver side door key cylinder neutral position Pulse generation (see waveform 5 or 6) G64-24 (UL3) - Body ground LG - Body ground Driver side door key-linked unlock input Driver side door key cylinder unlock position Below 1 V G64-24 (UL3) - Body ground LG - Body ground Driver side door key-linked unlock input Ignition switch off, all doors closed and driver side door key cylinder neutral position Pulse generation (see waveform 7 or 8) G64-7 (LSFL) - Body ground G - Body ground Front door LH lock position switch input Front door LH unlocked Below 1 V G64-7 (LSFL) - Body ground G - Body ground Front door LH lock position switch input Ignition switch off, all doors closed and front door LH locked Pulse generation (see waveform 9 or 10) G64-18 (LSFR) - Body ground G - Body ground Front door RH lock position switch input Front door RH unlocked Below 1 V G64-18 (LSFR) - Body ground G - Body ground Front door RH lock position switch input Ignition switch off, all doors closed and front door RH locked Pulse generation (see waveform 11 or 12) 2I-25 (LSWL) - Body ground*1, *4 B - Body ground Rear door LH lock position switch input Rear door LH unlocked Below 1 V 2I-25 (LSWL) - Body ground*1, *4 B - Body ground Rear door LH lock position switch input Ignition switch off, all doors closed and rear door LH locked Pulse generation (see waveform 13 or 14) 2D-16 (LSWL) - Body ground*2, *4 B - Body ground Rear door LH lock position switch input Rear door LH unlocked Below 1 V 2D-16 (LSWL) - Body ground*2, *4 B - Body ground Rear door LH lock position switch input Ignition switch off, all doors closed and rear door LH locked Pulse generation (see waveform 15 or 16) G63-2 (LSWR) - Body ground*4 V - Body ground Rear door RH lock position switch input Rear door RH unlocked Below 1 V G63-2 (LSWR) - Body ground*4 V - Body ground Rear door RH lock position switch input Ignition switch off, all doors closed and rear door RH locked Pulse generation (see waveform 17 or 18) G65-13 (LSWB) - Body ground SB - Body ground Back door lock position switch input Back door lock unlocked Below 1 V G65-13 (LSWB) - Body ground SB - Body ground Back door lock position switch input Ignition switch off, all doors closed and back door locked Pulse generation (see waveform 19 or 20) 2D-34 (IND) - Body ground G - Body ground Security indicator light signal Security indicator light illuminates (illuminates only for 30 (+/-5) seconds in alarm sounding state (blinks when system in armed state)) 3 to 6 V G63-18 (SSCL) - Body ground*5 G - Body ground Theft warning siren (self power siren) signal Theft warning siren (self power siren) sounding (theft warning system in alarm sounding state) Pulse generation G63-18 (SSCL) - Body ground*5 G - Body ground Theft warning siren (self power siren) signal Theft warning siren (self power siren) not sounding (theft warning system in armed state) Pulse generation G63-12 (ISIF) - Body ground*6 R - Body ground Intrusion sensor signal input No moving object detected 6.5 to 14 V G63-12 (ISIF) - Body ground*6 R - Body ground Intrusion sensor signal input Moving object detected during arming preparation state or armed state Pulse generation (see waveform 21) G63-6 (GCS) - Body ground*10 V - Body ground Tilt sensor signal input Vehicle tilt not detected 6.5 to 14 V G63-6 (GCS) - Body ground*10 V - Body ground Tilt sensor signal input Vehicle tilt detected during arming preparation state or armed state Pulse generation (see waveform 22) G64-23 (SSW1) - Body ground*6 L - Body ground Intrusion sensor OFF switch signal Intrusion sensor OFF switch on Below 1.5 V G64-23 (SSW1) - Body ground*6 L - Body ground Intrusion sensor OFF switch signal Ignition switch off, all doors closed and intrusion sensor OFF switch off Pulse generation (see waveform 23 or 24) 2I-35 (GPBS) - Body ground*1, *3, *8 R - Body ground Glass breakage sensor signal Glass breakage sensor normal Below 2 V 2D-30 (GPBS) - Body ground*2, *3, *8 R - Body ground Glass breakage sensor signal Glass breakage sensor normal Below 2 V 2D-30 (GPBS) - Body ground*1, *7, *8 B - Body ground Glass breakage sensor signal Glass breakage sensor normal Below 2 V 2H-35 (GPBS) - Body ground*2, *7, *8 B - Body ground Glass breakage sensor signal Glass breakage sensor normal Below 2 V 2F-23 (HCTY) - Body ground B - Body ground Security courtesy switch Engine hood open Below 1 V 2F-23 (HCTY) - Body ground B - Body ground Security courtesy switch Ignition switch off, all doors closed and engine hood closed Pulse generation (see waveform 25 or 26) 2F-29 (HORN) - Body ground G - Body ground Vehicle horn signal Vehicle horn sounding (theft warning system in alarm sounding state) Pulse generation 2F-29 (HORN) - Body ground G - Body ground Vehicle horn signal Vehicle horn not sounding (theft warning system in armed state) 11 to 14 V 2F-25 (SH) - Body ground*9 GR - Body ground Security horn signal Security horn sounding (theft warning system in alarm sounding state) Pulse generation 2F-25 (SH) - Body ground*9 GR - Body ground Security horn signal Security horn not sounding (theft warning system in armed state) 11 to 14 V - *1: for LHD
- *2: for RHD
- *3: for 5 Door
- *4: w/ Glass Hatch Opener System
- *5: w/ Security Siren
- *6: w/ Intrusion Sensor
- *7: for 3 Door
- *8: w/ Glass Breakage Sensor
- *9: w/ Security Horn
- *10: w/ Tilt Sensor
- *1: for LHD
Using an oscilloscope, check waveform 1.
Waveform 1 (Reference) Item Content Terminal No. (Symbol) G64-19 (BCTY) - Body ground Tool Setting 5 V/DIV., 20 ms/DIV. Condition Ignition switch off, all doors closed and back door closed Using an oscilloscope, check waveform 2.
Waveform 2 (Reference) Item Content Terminal No. (Symbol) G64-19 (BCTY) - Body ground Tool Setting 5 V/DIV., 20 ms/DIV. Condition Ignition switch off, all doors closed and back door closed Using an oscilloscope, check waveform 3.
Waveform 3 (Reference) Item Content Terminal No. (Symbol) G64-1 (GCTY) - Body ground Tool Setting 5 V/DIV., 20 ms/DIV. Condition Ignition switch off, all doors closed and glass hatch closed Using an oscilloscope, check waveform 4.
Waveform 4 (Reference) Item Content Terminal No. (Symbol) G64-1 (GCTY) - Body ground Tool Setting 5 V/DIV., 20 ms/DIV. Condition Ignition switch off, all doors closed and glass hatch closed Using an oscilloscope, check waveform 5.
Waveform 5 (Reference) Item Content Terminal No. (Symbol) G64-11 (L2) - Body ground Tool Setting 5 V/DIV., 20 ms/DIV. Condition Ignition switch off, all doors closed and front door key cylinder neutral position Using an oscilloscope, check waveform 6.
Waveform 6 (Reference) Item Content Terminal No. (Symbol) G64-11 (L2) - Body ground Tool Setting 5 V/DIV., 20 ms/DIV. Condition Ignition switch off, all doors closed and front door key cylinder neutral position Using an oscilloscope, check waveform 7.
Waveform 7 (Reference) Item Content Terminal No. (Symbol) G64-24 (UL3) - Body ground Tool Setting 5 V/DIV., 20 ms/DIV. Condition Ignition switch off, all doors closed and driver side door key cylinder neutral position Using an oscilloscope, check waveform 8.
Waveform 8 (Reference) Item Content Terminal No. (Symbol) G64-24 (UL3) - Body ground Tool Setting 5 V/DIV., 20 ms/DIV. Condition Ignition switch off, all doors closed and driver side door key cylinder neutral position Using an oscilloscope, check waveform 9.
Waveform 9 (Reference) Item Content Terminal No. (Symbol) G64-7 (LSFL) - Body ground Tool Setting 5 V/DIV., 20 ms/DIV. Condition Ignition switch off, all doors closed and front door LH locked Using an oscilloscope, check waveform 10.
Waveform 10 (Reference) Item Content Terminal No. (Symbol) G64-7 (LSFL) - Body ground Tool Setting 5 V/DIV., 20 ms/DIV. Condition Ignition switch off, all doors closed and front door LH locked Using an oscilloscope, check waveform 11.
Waveform 11 (Reference) Item Content Terminal No. (Symbol) G64-18 (LSFR) - Body ground Tool Setting 5 V/DIV., 20 ms/DIV. Condition Ignition switch off, all doors closed and front door RH locked Using an oscilloscope, check waveform 12.
Waveform 12 (Reference) Item Content Terminal No. (Symbol) G64-18 (LSFR) - Body ground Tool Setting 5 V/DIV., 20 ms/DIV. Condition Ignition switch off, all doors closed and front door RH locked Using an oscilloscope, check waveform 13.
Waveform 13 (Reference) Item Content Terminal No. (Symbol) 2I-25 (LSWL) - Body ground Tool Setting 5 V/DIV., 20 ms/DIV. Condition Ignition switch off, all doors closed and rear door LH locked Using an oscilloscope, check waveform 14.
Waveform 14 (Reference) Item Content Terminal No. (Symbol) 2I-25 (LSWL) - Body ground Tool Setting 5 V/DIV., 20 ms/DIV. Condition Ignition switch off, all doors closed and rear door LH locked Using an oscilloscope, check waveform 15.
Waveform 15 (Reference) Item Content Terminal No. (Symbol) 2D-16 (LSWL) - Body ground Tool Setting 5 V/DIV., 20 ms/DIV. Condition Ignition switch off, all doors closed and rear door LH locked Using an oscilloscope, check waveform 16.
Waveform 16 (Reference) Item Content Terminal No. (Symbol) 2D-16 (LSWL) - Body ground Tool Setting 5 V/DIV., 20 ms/DIV. Condition Ignition switch off, all doors closed and rear door LH locked Using an oscilloscope, check waveform 17.
Waveform 17 (Reference) Item Content Terminal No. (Symbol) G63-2 (LSWR) - Body ground Tool Setting 5 V/DIV., 20 ms/DIV. Condition Ignition switch off, all doors closed and rear door RH locked Using an oscilloscope, check waveform 18.
Waveform 18 (Reference) Item Content Terminal No. (Symbol) G63-2 (LSWR) - Body ground Tool Setting 5 V/DIV., 20 ms/DIV. Condition Ignition switch off, all doors closed and rear door RH locked Using an oscilloscope, check waveform 19.
Waveform 19 (Reference) Item Content Terminal No. (Symbol) G65-13 (LSWB) - Body ground Tool Setting 5 V/DIV., 20 ms/DIV. Condition Ignition switch off, all doors closed and back door locked Using an oscilloscope, check waveform 20.
Waveform 20 (Reference) Item Content Terminal No. (Symbol) G65-13 (LSWB) - Body ground Tool Setting 5 V/DIV., 20 ms/DIV. Condition Ignition switch off, all doors closed and back door locked Using an oscilloscope, check waveform 21.
Waveform 21 (Reference) Item Content Terminal No. (Symbol) G63-12 (ISIF) - Body ground Tool Setting 2 V/DIV., 500 ms/DIV. Condition Moving object detected during arming preparation state or armed state Using an oscilloscope, check waveform 22.
Waveform 22 (Reference) Item Content Terminal No. (Symbol) G63-6 (GCS) - Body ground Tool Setting 2 V/DIV., 500 ms/DIV. Condition Vehicle tilt detected during arming preparation state or armed state Using an oscilloscope, check waveform 23.
Waveform 23 (Reference) Item Content Terminal No. (Symbol) G64-23 (SSW1) - Body ground Tool Setting 5 V/DIV., 20 ms/DIV. Condition Ignition switch off, all doors closed and intrusion sensor OFF switch off Using an oscilloscope, check waveform 24.
Waveform 24 (Reference) Item Content Terminal No. (Symbol) G64-23 (SSW1) - Body ground Tool Setting 5 V/DIV., 20 ms/DIV. Condition Ignition switch off, all doors closed and intrusion sensor OFF switch off Using an oscilloscope, check waveform 25.
Waveform 25 (Reference) Item Content Terminal No. (Symbol) 2F-23 (HCTY) - Body ground Tool Setting 5 V/DIV., 20 ms/DIV. Condition Ignition switch off, all doors closed and engine hood closed Using an oscilloscope, check waveform 26.
Waveform 26 (Reference) Item Content Terminal No. (Symbol) 2F-23 (HCTY) - Body ground Tool Setting 5 V/DIV., 20 ms/DIV. Condition Ignition switch off, all doors closed and engine hood closed
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