Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - THEFT DETERRENT / KEYLESS ENTRY
ENTRY AND START SYSTEM (for Entry Function) - TERMINALS OF ECU
| CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
Disconnect the E29 ECU connector.
Measure the resistance and voltage of the wire harness side connector.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
| E29-17 (E) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| E29-1 (+B) - Body ground | B - Body ground | +B power supply | Always | 11 to 14 V |
| E29-18 (IG) - Body ground | B - Body ground | Ignition power supply | Engine switch off | Below 1 V |
| Engine switch on (IG) | 11 to 14 V | |||
| E29-3 (TSW1) - E29-17 (E) | G - W-B | Door outside handle (driver side) lock switch signal | Switch released | 10 kΩ or higher |
| Switch pressed in | Below 1 Ω | |||
| E29-4 (TSW2) - E29-17 (E) | BR - W-B | Door outside handle (front passenger side) lock switch signal | Switch released | 10 kΩ or higher |
| Switch pressed in | Below 1 Ω | |||
| E30-25 (TSW3) - E29-17 (E)*3 | G - W-B | Door outside handle (rear LH) lock switch signal*1 Door outside handle (rear RH) lock switch signal*2 | Switch released | 10 kΩ or higher |
| Switch pressed in | Below 1 Ω | |||
| E30-26 (TSW4) - E29-17 (E)*3 | G - W-B | Door outside handle (rear RH) lock switch signal*1 Door outside handle (rear LH) lock switch signal*2 | Switch released | 10 kΩ or higher |
| Switch pressed in | Below 1 Ω | |||
| E29-7 (TSW5) - E29-17 (E) | L - W-B | Back door lock switch signal | Switch released | 10 kΩ or higher |
| Switch pressed in | Below 1 Ω | |||
| E29-10 (LIN) - E29-17 (E) | GR - W-B | LIN line | Always | 10 kΩ or higher |
| E29-27 (CANH) - E29-17 (E) | LG - W-B | CAN line | Always | 10 kΩ or higher |
| E29-28 (CANL) - E29-17 (E) | R - W-B | CAN line | Always | 10 kΩ or higher |
- HINT:
*1: for LHD
*2: for RHD
*3: For vehicles with entry function for rear doors.
If the result is not as specified, the wire harness side may have a malfunction.
Reconnect the E29 ECU connector.
Measure the voltage of the connector.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
| E29-33 (CLG1) - E29-34 (CG1B) | L - W | Door electrical key oscillator (driver side) sensor signal | All doors closed, all doors locked and engine switch off | Alternating between 5 V and below 1 V |
| Door unlocked or door open | Below 1 V | |||
| E29-22 (SEN1) - E29-17 (E) | R - W-B | Touch sensor detection signal | Door outside handle touched | 11 to 14 V |
| Door outside handle not touched | Below 1 V | |||
| E29-5 (SEL1) - E29-17 (E) | Y - W-B | Touch sensor activation control signal | Key at least 5 m (16.4 ft.) away from door | 11 to 14 V |
| Key moved near outside door handle | Below 1 V | |||
| E29-35 (CLG2) - E29-36 (CG2B) | L - R | Door electrical key oscillator (front passenger side) sensor signal | All doors closed, all doors locked and engine switch off | Alternating between 5 V and below 1 V |
| Door unlocked or door open | Below 1 V | |||
| E29-23 (SEN2) - E29-17 (E) | R - W-B | Touch sensor detection signal | Door outside handle touched | 11 to 14 V |
| Door outside handle not touched | Below 1 V | |||
| E29-6 (SEL2) - E29-17 (E) | Y - W-B | Touch sensor activation control signal | Key at least 5 m (16.4 ft.) away from door | 11 to 14 V |
| Key moved near outside door handle | Below 1 V | |||
| E30-8 (CLG3) - E30-9 (CG3B)*3 | L - W | Door electrical key oscillator (rear LH) sensor signal*1 Door electrical key oscillator (rear RH) sensor signal*2 | All doors closed, all doors locked and engine switch off | Alternating between 5 V and below 1 V |
| Door unlocked or door open | Below 1 V | |||
| E30-28 (SEN3) - E29-17 (E)*3 | R - W-B | Touch sensor detection signal | Door outside handle touched | 11 to 14 V |
| Door outside handle not touched | Below 1 V | |||
| E30-1 (SEL3) - E29-17 (E)*3 | Y - W-B | Touch sensor activation control signal | Key at least 5 m (16.4 ft.) away from door | 11 to 14 V |
| Key moved near outside door handle | Below 1 V | |||
| E30-10 (CLG4) - E30-11 (CG4B)*3 | L - W | Door electrical key oscillator (rear RH) sensor signal*1 Door electrical key oscillator (rear LH) sensor signal*2 | All doors closed, all doors locked and engine switch off | Alternating between 5 V and below 1 V |
| Door unlocked or door open | Below 1 V | |||
| E30-27 (SEN4) - E29-17 (E)*3 | R - W-B | Touch sensor detection signal | Door outside handle touched | 11 to 14 V |
| Door outside handle not touched | Below 1 V | |||
| E30-2 (SEL4) - E29-17 (E)*3 | Y - W-B | Touch sensor activation control signal | Key at least 5 m (16.4 ft.) away from door | 11 to 14 V |
| Key moved near outside door handle | Below 1 V | |||
| E29-11 (CLG5) - E29-12 (CG5B) | SB - V | Indoor electrical key antenna (for front) sensor signal | 30 seconds after driver side door opened and closed, engine switch off | Alternating between 5 V and below 1 V |
| Within 30 seconds after driver side door opened and closed, engine switch off | Below 1 V | |||
| E29-13 (CLG6) - E29-14 (CG6B) | R - SB | Indoor electrical key antenna (for rear 1) sensor signal | 30 seconds after driver side door opened and closed, engine switch off | Alternating between 5 V and below 1 V |
| Within 30 seconds after driver side door opened and closed, engine switch off | Below 1 V | |||
| E29-15 (CLG7) - E29-16 (CG7B) | GR - W | Indoor electrical key antenna (for rear 2) sensor signal | 30 seconds after driver side door opened and closed, engine switch off | Alternating between 5 V and below 1 V |
| Within 30 seconds after driver side door opened and closed, engine switch off | Below 1 V | |||
| E29-31 (CLG8) - E29-32 (CG8B) | G - GR | Back door electrical key antenna (for outer) sensor signal | Back door opener switch off | Alternating between 5 V and below 1 V |
| Back door opener switch on | Below 1 V | |||
| E29-29 (RCO) - E29-17 (E) | B - W-B | Door control receiver power source | Engine switch off, all doors closed and transmitter switch not pressed → pressed | Below 1 V → 4.6 to 5.4 V → Below 1 V |
| E29-39 (RSSI) - E29-17 (E) | L - W-B | Door control receiver electric wave existence signal | Engine switch off, all doors closed and transmitter switch not pressed → pressed | 11 to 14 V → Below 1 V |
| E29-38 (RDA) - E29-17 (E) | LG - W-B | Door control receiver data input signal | Engine switch off, all doors closed and transmitter switch not pressed → pressed | Below 1 V → 11 to 14 V → Below 1 V |
| E29-21 (BZR) - E29-17 (E) | LG - W-B | Wireless door lock buzzer signal | Answer-back on | Pulse generation |
| Answer-back off | Below 1 V |
- HINT:
*1: for LHD
*2: for RHD
*3: For vehicles with entry function for rear doors.
If the result is not as specified, the ECU may have a malfunction.
| CHECK MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH) |
Disconnect the E1, E2, E3, 2A, 2B and 2D ECU connectors.
Measure the resistance and voltage of the wire harness side connectors.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
| 2D-62 (GND2) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| E3-1 (GND3) - Body ground | BR - Body ground | Ground | Always | Below 1 Ω |
| 2A-1 (ALTB) - Body ground | B - Body ground | ALTB power supply | Always | 11 to 14 V |
| 2B-20 (BATB) - Body ground | L - Body ground | BATB power supply | Always | 11 to 14 V |
| E1-6 (AM1) - Body ground | W - Body ground | AM1 power supply | Always | 11 to 14 V |
| E2-1 (AM2) - Body ground | W - Body ground | AM2 power supply | Always | 11 to 14 V |
| 2A-1 (IG) - Body ground | G - Body ground | IG1 signal | Engine switch on (IG) | 11 to 14 V |
| Engine switch off | Below 1 V | |||
| 2D-8 (ACC) - Body ground | GR - Body ground | ACC signal | Engine switch on (ACC) | 11 to 14 V |
| Engine switch off | Below 1 V | |||
| E3-5 (CANH) - Body ground | SB - Body ground | CAN communication line | Always | 10 kΩ or higher |
| E3-6 (CANL) - Body ground | B - Body ground | CAN communication line | Always | 10 kΩ or higher |
| E3-15 (CANN) - Body ground | R - Body ground | CAN communication line | Always | 10 kΩ or higher |
| E3-16 (CANP) - Body ground | GR - Body ground | CAN communication line | Always | 10 kΩ or higher |
| 2D-20 (LIN1) - Body ground | GR - Body ground | LIN communication line | Always | 10 kΩ or higher |
| E3-10 (LIN2) - Body ground | G - Body ground | LIN communication line | Always | 10 kΩ or higher |
If the result is not as specified, the wire harness side may have a malfunction.
Reconnect the E1, E2, E3, 2A, 2B and 2D ECU connectors.
Measure the voltage of the connectors.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
| E1-24 (DCTY) - Body ground | L - Body ground*1 Y - Body ground*2 | Driver side door courtesy switch input | Driver side door open | Below 1 V |
| Engine switch off, and driver side door courtesy switch off | Pulse generation (see waveform 1 or 2) | |||
| E2-21 (PCTY) - Body ground | Y - Body ground*1 L - Body ground*2 | Front passenger side door courtesy switch input | Front passenger side door open | Below 1 V |
| Engine switch off, and passenger side door courtesy switch off | Pulse generation (see waveform 3 or 4) | |||
| 2C-2 (LCTY) - Body ground | W - Body ground | Rear door LH courtesy light switch input | Rear door LH open | Below 1 V |
| Engine switch off, and rear LH side door courtesy switch off | Pulse generation (see waveform 5 or 6) | |||
| E2-7 (RCTY) - Body ground | G - Body ground | Rear door RH courtesy light switch input | Rear door RH open | Below 1 V |
| Engine switch off, and rear RH side door courtesy switch off | Pulse generation (see waveform 7 or 8) | |||
| E2-25 (BCTY) - Body ground | W - Body ground | Back door courtesy light switch input | Back door open | Below 1 V |
| Engine switch off, and back door closed | Pulse generation (see waveform 9 or 10) | |||
| E3-7 (HZSW) - Body ground | BE - Body ground | Hazard warning light signal | Answer-back on | Below 1 V |
| Answer-back off | 11 to 14 V | |||
| E1-26 (BDSU) - Body ground | L - Body ground | Back door opener switch input | Back door lock opener switch off | Below 1 V |
| Back door lock opener switch on | Pulse generation (see waveform 11 or 12) |
- HINT:
*1: for LHD
*2: for RHD
If the result is not as specified, the ECU may have a malfunction.
Using an oscilloscope, check waveform 1.
| Item | Content |
| Terminal No. (Symbol) | E1-24 (DCTY) - Body ground |
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Engine switch off, and driver side door courtesy switch off |
Using an oscilloscope, check waveform 2.
| Item | Content |
| Terminal No. (Symbol) | E1-24 (DCTY) - Body ground |
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Engine switch off, and driver side door courtesy switch off |
Using an oscilloscope, check waveform 3.
| Item | Content |
| Terminal No. (Symbol) | E2-21 (PCTY) - Body ground |
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Engine switch off, and passenger side door courtesy switch off |
Using an oscilloscope, check waveform 4.
| Item | Content |
| Terminal No. (Symbol) | E2-21 (PCTY) - Body ground |
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Engine switch off, and passenger side door courtesy switch off |
Using an oscilloscope, check waveform 5.
| Item | Content |
| Terminal No. (Symbol) | 2C-2 (LCTY) - Body ground |
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Engine switch off, and rear LH side door courtesy switch off |
Using an oscilloscope, check waveform 6.
| Item | Content |
| Terminal No. (Symbol) | 2C-2 (LCTY) - Body ground |
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Engine switch off, and rear LH side door courtesy switch off |
Using an oscilloscope, check waveform 7.
| Item | Content |
| Terminal No. (Symbol) | E2-7 (RCTY) - Body ground |
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Engine switch off, and rear RH side door courtesy switch off |
Using an oscilloscope, check waveform 8.
| Item | Content |
| Terminal No. (Symbol) | E2-7 (RCTY) - Body ground |
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Engine switch off, and rear RH side door courtesy switch off |
Using an oscilloscope, check waveform 9.
| Item | Content |
| Terminal No. (Symbol) | E2-25 (BCTY) - Body ground |
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Engine switch off, and back door closed |
Using an oscilloscope, check waveform 10.
| Item | Content |
| Terminal No. (Symbol) | E2-25 (BCTY) - Body ground |
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Engine switch off, and back door closed |
Using an oscilloscope, check waveform 11.
| Item | Content |
| Terminal No. (Symbol) | E1-26 (BDSU) - Body ground |
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Engine switch off, all doors closed and Back door lock opener switch on |
Using an oscilloscope, check waveform 12.
| Item | Content |
| Terminal No. (Symbol) | E1-26 (BDSU) - Body ground |
| Tool Setting | 5 V/DIV., 20 ms/DIV. |
| Condition | Engine switch off, all doors closed and Back door lock opener switch on |
| CHECK POWER BACK DOOR UNIT (w/ Power Back Door) |
Disconnect the L52 unit connector.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
| L52-10 (ECUB) - Body ground | R - Body ground | ECUB power supply | Always | 11 to 14 V |
| L52-11 (GND) - Body ground | W-B - Body ground | Body ground | Always | Below 1 Ω |
If the result is not as specified, there may be a malfunction on the wire harness side.
Reconnect the L52 unit connector.
Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
| L52-2 (DC+) - L52-1 (DC-) | R - B | Power back door lock motor circuit | Back door lock motor is operating | 11 to 14 V |
| L52-2 (DC+) - L52-1 (DC-) | R - B | Power back door lock motor circuit | Back door lock motor is stopped | Below 1 V |
If the result is not as specified, the ECU may have a malfunction.