Seat Heater System Terminals Of Ecu

Vehicle Interior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Seat. Land Cruiser. Urj200, 202 Grj200 Vdj200

  1. CHECK SEAT CLIMATE CONTROL ECU LH (w/ Climate Control Seat System)

  1. CHECK SEAT CLIMATE CONTROL ECU RH (w/ Climate Control Seat System)

Seat Heater System -- Terminals Of Ecu



CHECK SEAT CLIMATE CONTROL ECU LH (w/ Climate Control Seat System)

Land Cruiser. Urj200, 202 Grj200 Vdj200.Seat.Front Power Seat Control System (W/ Seat Position Memory System).Seat Heater System Terminals Of Ecu

  1. Disconnect the c35 seat climate control ECU LH connector.

  2. Measure the resistance and voltage according to the value(s) in the table below.

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    c35-12 (B) - Body ground
    		G - Body ground
    		Battery power supply
    		Always
    		11 to 14 V
    c35-13 (IG) - Body ground
    		G - Body ground
    		Ignition power supply
    		Engine switch on (IG)
    		11 to 14 V
    c35-8 (H5) - c35-19 (HS)
    		LG - BE
    		Front seat cushion heater LH (temperature sensor) signal
    		25°C
    		10 kΩ
    c35-15 (V5) - c35-6 (VS)
    		B - G
    		Front seat heater switch (LH side) signal
    		Front seat heater switch (LH side) max hot
    		Below 100 Ω
    c35-15 (V5) - c35-17 (VG)
    		B - BR
    		Front seat heater switch (LH side) signal
    		Always
    		4 to 6 kΩ
    c35-3 (GND) -Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω

  3. Reconnect the c35 seat climate control ECU LH connector.

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

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    c35-11 (B) - c35-2 (E)
    		W - B
    		Front seat heater LH drive signal
    		Engine switch on (IG), front seat heater LH operating
    		11 to 14 V
    Engine switch on (IG), front seat heater LH not operating
    		Below 1 V
    c35-15 (V5) - Body ground
    		B - Body ground
    		Front seat heater switch (LH side) power supply
    		Engine switch on (IG)
    		4.7 to 5.2 V
    c35-26 (IND) - Body ground
    		L - Body ground
    		Seat heater switch indicator light (LH side) illumination signal
    		Engine switch on (IG), front seat heater LH operating (seat heater switch indicator light [LH side] illuminated)
    		Below 1 V
    Engine switch on (IG), front seat heater LH not operating (seat heater switch indicator light [LH side] not illuminated)
    		11 to 14 V

CHECK SEAT CLIMATE CONTROL ECU RH (w/ Climate Control Seat System)

Land Cruiser. Urj200, 202 Grj200 Vdj200.Seat.Front Power Seat Control System (W/ Seat Position Memory System).Seat Heater System Terminals Of Ecu

  1. Disconnect the c32 seat climate control ECU RH connector.

  2. Measure the resistance and voltage according to the value(s) in the table below.

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    c32-12 (B) - Body ground
    		G - Body ground
    		Battery power supply
    		Always
    		11 to 14 V
    c32-13 (IG) - Body ground
    		G - Body ground
    		Ignition power supply
    		Engine switch on (IG)
    		11 to 14 V
    c32-8 (H5) - c32-19 (HS)
    		LG - BE
    		Front seat cushion heater RH (temperature sensor) signal
    		25°C
    		10 kΩ
    c32-15 (V5) - c32-6 (VS)
    		B - W
    		Front seat heater switch (RH side) signal
    		Front seat heater switch (RH side) max hot
    		Below 100 Ω
    c32-15 (V5) - c32-17 (VG)
    		B - BR
    		Front seat heater switch (RH side) signal
    		Always
    		4 to 6 kΩ
    c32-3 (GND) -Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω

  3. Reconnect the c32 seat climate control ECU RH connector.

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

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    c32-11 (B) - c32-2 (E)
    		W - B
    		Front seat heater RH drive signal
    		Engine switch on (IG), front seat heater RH operating
    		11 to 14 V
    Engine switch on (IG), front seat heater RH not operating
    		Below 1 V
    c32-15 (V5) - Body ground
    		B - Body ground
    		Front seat heater switch (RH side) power supply
    		Engine switch on (IG)
    		4.7 to 5.2 V
    c32-26 (IND) - Body ground
    		R - Body ground
    		Seat heater switch indicator light (RH side) illumination signal
    		Engine switch on (IG), front seat heater RH operating (seat heater switch indicator light [RH side] illuminated)
    		Below 1 V
    Engine switch on (IG), front seat heater RH not operating (seat heater switch indicator light [RH side] not illuminated)
    		11 to 14 V