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

Vehicle Exterior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Wiper Washer. Land Cruiser. Urj200, 202 Grj200 Vdj200
  1. CHECK WINDSHIELD WIPER ECU

  1. CHECK WINDSHIELD WIPER SWITCH

  1. CHECK MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH)

  1. CHECK MAP LIGHT

  1. CHECK RAIN SENSOR

  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/ Rain Sensor) -- Terminals Of Ecu



CHECK WINDSHIELD WIPER ECU

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

  1. Disconnect the E83 and E85 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
    E83-5 (IG1I) - E85-10 (E)
    G - W-B
    IG signal circuit
    Engine switch off
    Below 1 V
    Engine switch on (IG)
    11 to 14 V
    E85-10 (E) - Body ground
    W-B - Body ground
    Ground circuit
    Always
    Below 1 Ω
    If the result is not as specified, there may be a malfunction on the wire harness side.
  3. Reconnect the E83 and E85 ECU connectors.

  4. Measure the voltage and waveform according to the value(s) in the table below.

    Terminal No. (Symbol)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    E83-7 (+SM) - Body ground
    W - Body ground
    Front wiper motor operation signal
    Front wiper is operated
    11 to 14 V
    Front wiper is stopped
    Below 1 V
    E83-8 (WIG) - Body ground
    B - Body ground
    Front wiper motor power source circuit
    Engine switch off
    Below 1 V
    Engine switch on (IG)
    11 to 14 V
    E83-10 (1S) - Body ground
    P - Body ground
    Front wiper motor power supply circuit
    Front wiper switch off
    Below 1 V
    Front wiper switch LO
    11 to 14 V
    E83-9 (2S) - Body ground
    R - Body ground
    Front wiper motor power supply circuit (HI signal)
    Front wiper switch off
    Below 1 V
    Front wiper switch HI
    11 to 14 V
    E85-2 (W) - Body ground
    L - Body ground
    Front washer motor power source circuit
    Front washer switch off
    Below 1 V
    Front washer switch on
    11 to 14 V
    E85-5 (CANL) - Body ground
    R - Body ground
    CAN communication signal
    Engine switch on (IG)
    Pulse generation
    E85-6 (CANH) - Body ground
    LG - Body ground
    CAN communication signal
    Engine switch on (IG)
    Pulse generation
    E85-7 (MPX1) - Body ground
    R - Body ground
    LIN communication signal
    Engine switch on (IG)
    Pulse generation

CHECK WINDSHIELD WIPER SWITCH

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

  1. Disconnect the E16 switch connector.

  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
    E16-2 (+B) - E16-10 (E)*1
    B - W-B
    Power source circuit (from battery)
    Engine switch off
    Below 1 V
    Engine switch on (IG)
    11 to 14 V
    E16-3 (+B) - E16-5 (E)*2
    B - W-B
    Power source circuit (from battery)
    Engine switch off
    Below 1 V
    Engine switch on (IG)
    11 to 14 V
    E16-10 (E) - Body ground*1
    W-B - Body ground
    Ground circuit
    Always
    Below 1 Ω
    E16-5 (E) - Body ground*2
    W-B - Body ground
    Ground circuit
    Always
    Below 1 Ω
    HINT:
    1. *1: for LH Side
    2. *2: for RH Side

CHECK MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH)

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

  1. Disconnect the 2D, E2 and E1 main 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
    E1-6 (AM1) - 2D-62 (GND2)
    W - W-B
    Power source circuit (from battery)
    Always
    11 to 14 V
    E2-11 (IG2D) - 2D-62 (GND2)
    B - W-B
    IG signal circuit
    Engine switch off
    Below 1 V
    Engine switch on (IG)
    11 to 14 V
    2B-22 (STP) - 2D-62 (GND2)
    R - W-B
    Stop light switch circuit
    Stop light switch off
    Below 1 V
    Stop light switch on
    11 to 14 V
    2D-62 (GND2) - Body ground
    W-B - Body ground
    Ground circuit
    Always
    Below 1 Ω
  3. Reconnect the 2D, E2 and E1 main body ECU connectors.

  4. Measure the voltage and waveform according to the value(s) in the table below.

    Terminal No. (Symbol)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    E2-13 (HDLO) - Body ground
    L - Body ground
    Headlight low beam operation signal
    Engine switch on (IG)
    Headlight dimmer switch in head
    11 to 14 V
    Engine switch on (IG)
    Headlight dimmer switch not in head
    Below 1 V
    E3-15 (CANN) - Body ground
    R - Body ground
    CAN communication signal
    Engine switch on (IG)
    Pulse generation
    E3-16 (CANP) - Body ground
    GR - Body ground
    CAN communication signal
    Engine switch on (IG)
    Pulse generation

CHECK MAP LIGHT

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

  1. Disconnect the R7 map light connector.

  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
    R7-14 (IG) - R7-3 (GND5)
    G - W-B
    IG signal circuit
    Engine switch off
    Below 1 V
    Engine switch on (IG)
    11 to 14 V
    R7-3 (GND5) - Body ground
    W-B - Body ground
    Ground circuit
    Always
    Below 1 Ω

CHECK RAIN SENSOR

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

  1. Disconnect the R11 rain sensor connector.

  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
    R11-4 (SIG) - Body ground
    G - Body ground
    IG signal circuit
    Engine switch off
    Below 1 V
    Engine switch on (IG)
    11 to 14 V
    R11-1 (ES) - Body ground
    W - Body ground
    Ground circuit
    Always
    Below 1 Ω
  3. Reconnect the R11 rain sensor connector.

  4. Measure the waveform according to the value(s) in the table below.

    Terminal No. (Symbol)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    R11-3 (MPX) - Body ground
    R - Body ground
    LIN communication signal
    Engine switch on (IG)
    Pulse generation

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/ 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
Engine switch off
Below 1 V
Engine switch on (IG)
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
Engine switch on (IG)
Headlight cleaner switch is off
Below 1 V
Engine switch on (IG)
Headlight switch is off
Below 1 V
Engine switch on (IG)
Headlight cleaner switch is on and headlight dimmer switch in HEAD
11 to 14 V
5 (FRWA) - 4 (E)*
-
Front washer switch operation signal
Engine switch on (IG)
Front washer switch is off
11 to 14 V
Engine switch on (IG)
Front washer switch is on
Below 1 V
1 (HDLO) - 4 (E)*
-
Headlight low beam operation signal
Engine switch on (IG)
Headlight dimmer switch in HEAD
11 to 14 V
Engine switch on (IG)
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/ 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
    Engine switch off
    Below 1 V
    Engine switch on (IG)
    11 to 14 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
    Engine switch on (IG), ambient temperature 6°C (42°F) or higher
    11 to 14 V
    Engine switch on (IG), ambient temperature 5°C (41°F) or less
    Below 1 V