Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - THEFT DETERRENT / KEYLESS ENTRY


THEFT DETERRENT SYSTEM (w/o Entry and Start System) - TERMINALS OF ECU

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

Theft Deterrent System (W/O Entry And Start System) - Terminals Of Ecu. THEFT DETERRENT / KEYLESS ENTRY. Land Cruiser URJ200  URJ202 GRJ200 VDJ200

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

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

Terminal No. (Symbol)Wiring ColorTerminal DescriptionConditionSpecified Condition
2A-1 (ALTB) - Body groundB - Body groundBattery power supplyAlways11 to 14 V
2B-20 (BATB) - Body groundL - Body groundBattery power supplyAlways11 to 14 V
2D-47 (IG) - Body groundR - Body groundIG power supplyIgnition switch ON11 to 14 V
Ignition switch offBelow 1 V
2D-47 (ACC) - Body groundR - Body groundACC power supplyIgnition switch ACC11 to 14 V
Ignition switch offBelow 1 V
2D-62 (GND2) - Body groundW-B - Body groundGroundAlwaysBelow 1 Ω
E4-5 (KSW) - Body groundBR - Body groundUnlock warning switch inputNo key in ignition key cylinder10 kΩ or higher
Key inserted in ignition key cylinderBelow 1 Ω

If the result is not as specified, there may be a malfunction in the wire harness.

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

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

Terminal No. (Symbol)Wiring ColorTerminal DescriptionConditionSpecified Condition
E1-24 (DCTY) - Body groundL - Body ground*1
P - Body ground*2
Driver side door courtesy switch inputDriver side door openBelow 1 V
Ignition switch off, and driver side door courtesy switch offPulse generation
E2-21 (PCTY) - Body groundP - Body ground*1
L - Body ground*2
Front passenger side door courtesy switch inputFront passenger side door openBelow 1 V
Ignition switch off, and passenger side door courtesy switch offPulse generation
2C-2 (LCTY) - Body groundW - Body groundRear door LH courtesy light switch inputRear door LH openBelow 1 V
Ignition switch off, and rear LH side door courtesy switch offPulse generation
E1-17 (RCTY) - Body groundG - Body groundRear door RH courtesy light switch inputRear door RH openBelow 1 V
Ignition switch off, and rear RH side door courtesy switch offPulse generation
E2-25 (BCTY) - Body groundW - Body groundBack door courtesy light switch inputBack door openBelow 1 V
Ignition switch off, and back door closedPulse generation
2D-3 (ACT+) - Body groundL - Body groundDriver side door lock motor lock drive outputMaster switch (door control switch) or driver side door key cylinder in neutral positionBelow 1 V
Master switch (door control switch) or driver side door key cylinder in lock position11 to 14 V
E1-5 (ACTD) - Body groundB - Body groundDriver side door lock motor unlock drive outputMaster switch (door control switch) or driver side door key cylinder in neutral positionBelow 1 V
Master switch (door control switch) or driver side door key cylinder in unlock position11 to 14 V
2D-3 (ACT+) - Body groundL - Body groundFront passenger side door lock motor lock drive outputMaster switch (door control switch) or driver side door key cylinder in neutral positionBelow 1 V
Master switch (door control switch) or driver side door key cylinder in lock position11 to 14 V
2D-2 (ACT-) - Body groundB - Body groundFront passenger side door lock motor unlock drive outputMaster switch (door control switch) or driver side door key cylinder in neutral positionBelow 1 V
Master switch (door control switch) or driver side door key cylinder in unlock position11 to 14 V
2D-3 (ACT+) - Body groundL - Body groundRear door LH lock motor lock drive outputMaster switch (door control switch) or driver side door key cylinder in neutral positionBelow 1 V
Master switch (door control switch) or driver side door key cylinder in lock position11 to 14 V
2C-23 (ACT-) - Body groundB - Body groundRear door LH lock motor unlock drive outputMaster switch (door control switch) or driver side door key cylinder in neutral positionBelow 1 V
Master switch (door control switch) or driver side door key cylinder in unlock position11 to 14 V
2D-3 (ACT+) - Body groundL - Body groundRear door RH lock motor lock drive outputMaster switch (door control switch) or driver side door key cylinder in neutral positionBelow 1 V
Master switch (door control switch) or driver side door key cylinder in lock position11 to 14 V
2D-2 (ACT-) - Body groundB - Body groundRear door RH lock motor unlock drive outputMaster switch (door control switch) or driver side door key cylinder in neutral positionBelow 1 V
Master switch (door control switch) or driver side door key cylinder in unlock position11 to 14 V
E1-10 (UL3) - Body groundY - Body ground*1
L - Body ground*2
Driver side door lock key switch inputDriver side door key cylinder in unlock positionBelow 1 V
Ignition switch off, all doors closed and driver side door key cylinder in neutral positionPulse generation
2D-53 (L2) - Body groundLG - Body groundDriver side door lock key switch inputDriver side door key cylinder in lock positionBelow 1 V
Ignition switch off, all doors closed and driver side door key cylinder in neutral positionPulse generation
E1-9 (LSWD) - Body groundBE - Body groundDriver side door lock position switch inputDriver side door unlockedBelow 1 V
Ignition switch off, all doors closed and driver side door lockedPulse generation
E2-27 (LSWP) - Body groundY - Body ground*1
BE - Body ground*2
Passenger side door lock position switch inputPassenger side door unlockedBelow 1 V
Ignition switch off, all doors closed and passenger side door lockedPulse generation
2C-1 (LSWL) - Body groundBE - Body groundRear door LH lock position switch inputRear door LH unlockedBelow 1 V
Ignition switch off, all doors closed and rear door LH lockedPulse generation
E2-5 (LSWR) - Body groundBE - Body groundRear door RH lock position switch inputRear door RH unlockedBelow 1 V
Ignition switch off, all doors closed and rear door RH lockedPulse generation
E4-4 (IND) - Body groundV - Body groundSecurity 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 groundLG - Body groundSecurity 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 groundW - Body groundEngine hood courtesy switch signal Engine hood closed10 kΩ or higher
Engine hood openBelow 1 Ω
*1: for LHD
*2: for RHD

If the result is not as specified, the main body ECU may have a malfunction.