Wiper And Washer System (W/O Rain Sensor) Terminals Of Ecu

Vehicle Exterior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Wiper Washer. Land Cruiser. Urj200, 202 Grj200 Vdj200
  1. CHECK HEADLIGHT CLEANER CONTROL RELAY (w/ Headlight Cleaner System)

  1. NO. 2 MULTIPLEX NETWORK BODY ECU (w/ Washer Nozzle Heater System)

Wiper And Washer System (W/O Rain Sensor) -- Terminals Of Ecu



CHECK HEADLIGHT CLEANER CONTROL RELAY (w/ Headlight Cleaner System)

Land Cruiser. Urj200, 202 Grj200 Vdj200.Wiper Washer.Wiper And Washer System (W/ Rain Sensor).Wiper And Washer System (W/O Rain Sensor)  Terminals Of Ecu

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
  1. *: w/ Headlight Auto Leveling

NO. 2 MULTIPLEX NETWORK BODY ECU (w/ Washer Nozzle Heater System)

Land Cruiser. Urj200, 202 Grj200 Vdj200.Wiper Washer.Wiper And Washer System (W/ Rain Sensor).Wiper And Washer System (W/O Rain Sensor)  Terminals Of Ecu

  1. Disconnect the L50 and L51 No. 2 multiplex network body ECU connectors.

  2. 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
  3. Reconnect the L50 and L51 No. 2 multiplex network body ECU connectors.

  4. 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