Vehicle Exterior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Door Hatch. Land Cruiser. Urj200, 202 Grj200 Vdj200
Tail Gate Closer System -- Terminals Of Ecu |
| CHECK NO. 2 MAIN BODY ECU |
Disconnect the L50 and L51 No. 2 main body ECU connectors.
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 on the wire harness side.Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition L50-14 (BECU) - Body ground R - Body ground BECU power supply Always 11 to 14 V L50-13 (SIG) - Body ground G - Body ground SIG power supply Engine switch on (IG) 11 to 14 V L50-13 (SIG) - Body ground G - Body ground SIG power supply Engine switch off Below 1 V L51-5 (B) - Body ground B - Body ground Lower tail gate lock motor RH power supply Always 11 to 14 V L51-6 (B) - Body ground W - Body ground Lower tail gate lock motor LH power supply Always 11 to 14 V L50-7 (GND) - Body ground W-B - Body ground Body ground Always Below 1 Ω L51-7 (GND) - Body ground W-B - Body ground Body ground Always Below 1 Ω L50-19 (BDSU) - Body ground V - Body ground Back door remote control signal circuit Back door remote control pulled (on) Below 1 Ω L50-19 (BDSU) - Body ground V - Body ground Back door remote control signal circuit Back door remote control free (off) 10 kΩ or higher Reconnect the L50 and L51 No. 2 main body ECU connectors.
Measure the voltage according to the value(s) in the table below.
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition L51-3 (DC+) - L51-7 (GND) R - W-B Lower tail gate lock motor LH circuit Lower tail gate lock motor LH operating (close) 11 to 14 V L51-3 (DC+) - L51-7 (GND) R - W-B Lower tail gate lock motor LH circuit Lower tail gate lock motor LH stopped Below 1 V L51-8 (DC-) - L51-7 (GND) B - W-B Lower tail gate lock motor LH circuit Lower tail gate lock motor LH operating (open) 11 to 14 V L51-8 (DC-) - L51-7 (GND) B - W-B Lower tail gate lock motor LH circuit Lower tail gate lock motor LH stopped Below 1 V L51-2 (DC+) - L51-7 (GND) G - W-B Lower tail gate lock motor RH circuit Lower tail gate lock motor RH operating (close) 11 to 14 V L51-2 (DC+) - L51-7 (GND) G - W-B Lower tail gate lock motor RH circuit Lower tail gate lock motor RH stopped Below 1 V L51-1 (DC-) - L51-7 (GND) W - W-B Lower tail gate lock motor RH circuit Lower tail gate lock motor RH operating (open) 11 to 14 V L51-1 (DC-) - L51-7 (GND) W - W-B Lower tail gate lock motor RH circuit Lower tail gate lock motor RH stopped Below 1 V L51-9 (HAF) - L51-7 (GND) GR - W-B Half-latch switch LH signal circuit Lower tail gate open Below 1 V L51-9 (HAF) - L51-7 (GND) GR - W-B Half-latch switch LH signal circuit Lower tail gate closed Pulse generation
(See waveform 1)L50-8 (HAF) - L51-7 (GND) B - W-B Half-latch switch RH signal circuit Lower tail gate open Below 1 V L50-8 (HAF) - L51-7 (GND) B - W-B Half-latch switch RH signal circuit Lower tail gate closed Pulse generation
(See waveform 1)L51-4 (FUL) - L51-7 (GND) G - W-B Lower tail gate courtesy switch LH signal circuit Lower tail gate open Below 1 V L51-4 (FUL) - L51-7 (GND) G - W-B Lower tail gate courtesy switch LH signal circuit Lower tail gate closed Pulse generation
(See waveform 1)L50-22 (FUL) - L51-7 (GND) Y - W-B*1
P - W-B*2Lower tail gate courtesy switch RH signal circuit Lower tail gate open Below 1 V L50-22 (FUL) - L51-7 (GND) Y - W-B*1
P - W-B*2Lower tail gate courtesy switch RH signal circuit Lower tail gate closed Pulse generation
(See waveform 1)L51-10 (LMT) - L51-7 (GND) Y - W-B*1
P - W-B*2Close position switch LH signal circuit Lower tail gate closed Below 1 V L51-10 (LMT) - L51-7 (GND) Y - W-B*1
P - W-B*2Close position switch LH signal circuit Lower tail gate open Pulse generation
(See waveform 2)L50-17 (LMT) - L51-7 (GND) L - W-B Close position switch RH signal circuit Lower tail gate closed Below 1 V L50-17 (LMT) - L51-7 (GND) L - W-B Close position switch RH signal circuit Lower tail gate open Pulse generation
(See waveform 2)L50-15 (POL) - L51-7 (GND) L - W-B Pawl switch LH signal circuit Lower tail gate lock motor LH is operating Below 1 V L50-15 (POL) - L51-7 (GND) L - W-B Pawl switch LH signal circuit Lower tail gate open Pulse generation
(See waveform 2)L50-16 (POL) - L51-7 (GND) R - W-B Pawl switch RH signal circuit Lower tail gate lock motor RH is operating Below 1 V L50-16 (POL) - L51-7 (GND) R - W-B Pawl switch RH signal circuit Lower tail gate open Pulse generation
(See waveform 2)L50-19 (BDSU) - L51-7 (GND) V - W-B Back door remote control signal circuit Back door remote control pulled (on) Below 1 V L50-19 (BDSU) - L51-7 (GND) V - W-B Back door remote control signal circuit Back door remote control free (off) Pulse generation
(See waveform 3)- *1: Model code: GRJ200L-GNANKC, URJ202L-GNTEKC
- *2: Model code except: GRJ200L-GNANKC, URJ202L-GNTEKC
- *1: Model code: GRJ200L-GNANKC, URJ202L-GNTEKC
Using an oscilloscope, check waveform 1.
Waveform 1 (Reference) Item Content Terminal (Symbol) - L51-9 (HAF) - L51-7 (GND)
- L50-8 (HAF) - L51-7 (GND)
- L51-4 (FUL) - L51-7 (GND)
- L50-22 (FUL) - L51-7 (GND)
Tool Setting 5 V/DIV., 5 ms/DIV Condition Lower tail gate closed - L51-9 (HAF) - L51-7 (GND)
Using an oscilloscope, check waveform 2.
Waveform 2 (Reference) Item Content Terminal (Symbol) - L51-10 (LMT) - L51-7 (GND)
- L50-17 (LMT) - L51-7 (GND)
- L51-15 (POL) - L51-7 (GND)
- L50-16 (POL) - L51-7 (GND)
Tool Setting 5 V/DIV., 5 ms/DIV Condition Lower tail gate open - L51-10 (LMT) - L51-7 (GND)
Using an oscilloscope, check waveform 3.
Waveform 3 (Reference) Item Content Terminal (Symbol) L50-19 (BDSU) - L51-7 (GND) Tool Setting 5 V/DIV., 5 ms/DIV Condition Back door remote control free (off)
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