Vehicle Exterior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Wiper Washer. Land Cruiser. Urj200, 202 Grj200 Vdj200
Wiper And Washer System (W/O Rain Sensor) -- Terminals Of Ecu |
CHECK HEADLIGHT CLEANER CONTROL RELAY (w/ Headlight Cleaner System) |

- HINT:
- The headlight cleaner control relay uses waterproof connector. Therefore, voltage cannot be checked with the connector connected to the vehicle.
Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
3 (IG) - 4 (E) | - | IG signal circuit | Ignition switch off | Below 1 V |
Ignition switch ON | 11 to 14 V | |||
4 (E) - Body ground | - | Ground circuit | Always | Below 1 Ω |
6 (PB) - 4 (E) | - | Headlight cleaner motor operation signal | Headlight cleaner motor is stopped | 11 to 14 V |
Headlight cleaner motor is operating | Below 1 V | |||
2 (H) - 4 (E) | - | Headlight cleaner switch and headlight switch operation signal | Ignition switch ON Headlight cleaner switch is off | Below 1 V |
Ignition switch ON Headlight switch is off | Below 1 V | |||
Ignition switch ON Headlight cleaner switch is on and headlight dimmer switch in HEAD | 11 to 14 V | |||
5 (FRWA) - 4 (E)* | - | Front washer switch operation signal | Ignition switch ON Front washer switch is off | 11 to 14 V |
Ignition switch ON Front washer switch is on | Below 1 V | |||
1 (HDLO) - 4 (E)* | - | Headlight low beam operation signal | Ignition switch ON Headlight dimmer switch in HEAD | 11 to 14 V |
Ignition switch ON Headlight dimmer switch not in HEAD | Below 1 V |
- *: w/ Headlight Auto Leveling
NO. 2 MULTIPLEX NETWORK BODY ECU (w/ Washer Nozzle Heater System) |

Disconnect the L50 and L51 No. 2 multiplex network body 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 L50-14 (BECU) - Body ground R - Body ground Power source circuit Always 11 to 14 V L50-13 (SIG) - Body ground G - Body ground IG signal circuit Ignition switch ON 11 to 14 V Ignition switch off Below 1 V L50-7 (GND) - Body ground W-B - Body ground Ground circuit Always Below 1 Ω Reconnect the L50 and L51 No. 2 multiplex network 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 L50-25 (WHTR) - Body ground GR - Body ground Washer nozzle heater signal circuit Ignition switch ON, ambient temperature 6°C (42°F) or higher 11 to 14 V Ignition switch ON, ambient temperature 5°C (41°F) or less Below 1 V