Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - DOOR LOCK
KEY REMINDER WARNING SYSTEM - TERMINALS OF ECU
| CHECK MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH) |
Disconnect the 2A, 2B, 2D and E4 ECU connectors.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
| 2B-20 (BATB) - Body ground | L - Body ground | Battery power supply | Always | 11 to 14 V |
| 2A-1 (ACC) - Body ground | B - Body ground | ACC power supply | Ignition switch ACC | 11 to 14 V |
| 2A-1 (ACC) - Body ground | B - Body ground | ACC power supply | Ignition switch off | Below 1 Ω |
| 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 |
| E4-5 (KSW) - Body ground | BR - Body ground | Unlock warning switch input | Key inserted in ignition key cylinder | Below 1 Ω |
If the result is not as specified, there may be a malfunction on the wire harness side.
Reconnect the 2A, 2B, 2D and E4 ECU connectors.
Measure the voltage 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*1 - Body ground Y*2 - Body ground |
Driver side door courtesy switch input | Driver side door open | Below 1 V |
| E1-24 (DCTY) - Body ground | L*1 - Body ground Y*2 - Body ground |
Driver side door courtesy switch input | Ignition switch off, and driver side door courtesy switch off | Pulse generation |
- HINT:
- *1: for LHD
- *2: for RHD
If the result is not as specified, the ECU may have a malfunction.