Rear Power Seat Control System Terminals Of Ecu

  1. CHECK FOLD SEAT CONTROL ECU LH

  1. CHECK FOLD SEAT CONTROL ECU RH

Rear Power Seat Control System -- Terminals Of Ecu



CHECK FOLD SEAT CONTROL ECU LH

Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Seat.Front Power Seat Control System (W/ Memory).Rear Power Seat Control System Terminals Of Ecu

  1. Disconnect the d1 and d2 ECU connectors.

  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
    d2-2 (+B) - d2-9 (GND2)
    		R - W-B
    		Power source (Battery)
    		Always
    		11 to 14 V
    d2-9 (GND2) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    d2-10 (GND) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    d1-1 (ECUB) - d2-10 (GND)
    		GR - W-B
    		Power source (Battery)
    		Always
    		11 to 14 V
    d1-3 (IG) - d2-9 (GND2)
    		B - W-B
    		Power source (IG)
    		Ignition switch ON
    		11 to 14 V
    Ignition switch off
    		Below 1 V
    d1-6 (P) - Body ground*1
    		W - Body ground
    		Park/neutral position switch signal
    		Ignition switch ON
    Shift lever in P
    		11 to 14 V
    Ignition switch ON
    Shift lever not in P
    		Below 1 V
    If the result is not as specified, there may be a malfunction on the wire harness side.

  3. Reconnect the d1 and d2 ECU connectors.

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

    Terminal No.
    (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    d2-1 (RCL+) - Body ground
    		B - Body ground
    		Reclining motor operation signal
    		Rear power seat switch LH forward
    		11 to 14 V
    d2-5 (RCL-) - Body ground
    		L - Body ground
    		Reclining motor operation signal
    		Rear power seat switch LH backward
    		11 to 14 V
    d2-8 (FLD+) - Body ground
    		W - Body ground
    		Cushion motor operation signal
    		No. 1 or No. 2 fold seat switch LH fold
    		11 to 14 V
    d2-7 (FLD-) - Body ground
    		B - Body ground
    		Cushion motor operation signal
    		No. 1 or No. 2 fold seat switch LH return
    		11 to 14 V
    d1-10 (FLD2) - Body ground
    		GR - Body ground
    		No. 1 fold seat switch signal (Fold)
    		No. 1 fold seat switch LH off
    		11 to 14 V
    No. 1 fold seat switch LH fold
    		Below 1 V
    d1-12 (RCLF) - Body ground
    		P - Body ground
    		Reclining forward switch signal
    		Always
    		11 to 14 V
    Rear power seat switch LH forward
    		Below 1 V
    d1-13 (RCLR) - Body ground
    		Y - Body ground
    		Reclining backward switch signal
    		Always
    		11 to 14 V
    Rear power seat switch LH backward
    		Below 1 V
    d1-14 (RTN2) - Body ground
    		SB - Body ground
    		No. 1 fold seat switch signal (Return)
    		No. 1 fold seat switch LH off
    		11 to 14 V
    No. 1 fold seat switch LH return
    		Below 1 V
    d1-15 (RTRN) - Body ground
    		L - Body ground
    		No. 2 fold seat switch signal (Return)
    		No. 2 fold seat switch LH off
    		11 to 14 V
    No. 2 fold seat switch LH return
    		Below 1 V
    d1-16 (FOLD) - Body ground
    		V - Body ground
    		No. 2 fold seat switch signal (Fold)
    		No. 2 fold seat switch LH off
    		11 to 14 V
    No. 2 fold seat switch LH fold
    		Below 1 V
    d1-17 (SV1) - d1-25 (SG1)
    		P - R
    		Folding position sensor power supply
    		Ignition switch off
    		Below 1 V
    Ignition switch ON
    		5.5 to 8 V
    d1-18 (SFLD) - d1-25 (SG1)
    		G - R
    		Folding position sensor signal
    		Motor operating
    		Pulse generation
    d1-19 (SRCL) - d1-24 (SG2)
    		LG - W
    		Reclining position sensor signal
    		Motor operating
    		Pulse generation
    d1-24 (SG2) - Body ground
    		W - Body ground
    		Reclining position sensor ground
    		Always
    		Below 1 Ω
    d1-25 (SG1) - Body ground
    		R - Body ground
    		Folding position sensor ground
    		Always
    		Below 1 Ω
    d1-37 (SV2) - d1-24 (SG2)
    		GR - W
    		Reclining position sensor power supply
    		Ignition switch off
    		Below 1 V
    Ignition switch ON
    		5.5 to 8 V
    d1-40 (PKB1) - Body ground*2
    		R - Body ground
    		Parking brake switch signal
    		Parking brake switch off
    		11 to 14 V
    Parking brake switch on
    		Below 1 V
    1. *1: for Automatic Transmission
    2. *2: for Manual Transmission
    If the result is not as specified, the ECU may have a malfunction.

CHECK FOLD SEAT CONTROL ECU RH

Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Seat.Front Power Seat Control System (W/ Memory).Rear Power Seat Control System Terminals Of Ecu

  1. Disconnect the c1 and c2 ECU connectors.

  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
    c2-2 (+B) - c2-9 (GND2)
    		R - W-B
    		Power source (Battery)
    		Always
    		11 to 14 V
    c2-9 (GND2) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    c2-10 (GND) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    c1-1 (ECUB) - c2-10 (GND)
    		GR - W-B
    		Power source (Battery)
    		Always
    		11 to 14 V
    c1-3 (IG) - c2-9 (GND2)
    		B - W-B
    		Power source (IG)
    		Ignition switch ON
    		11 to 14 V
    Ignition switch off
    		Below 1 V
    c1-6 (P) - Body ground*1
    		W - Body ground
    		Park/neutral position switch signal
    		Ignition switch ON
    Shift lever in P
    		11 to 14 V
    Ignition switch ON
    Shift lever not in P
    		Below 1 V
    If the result is not as specified, there may be a malfunction on the wire harness side.

  3. Reconnect the c1 and c2 ECU connectors.

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

    Terminal No.
    (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    c2-1 (RCL+) - Body ground
    		B - Body ground
    		Reclining motor operation signal
    		Rear power seat switch RH forward
    		11 to 14 V
    c2-5 (RCL-) - Body ground
    		L - Body ground
    		Reclining motor operation signal
    		Rear power seat switch RH backward
    		11 to 14 V
    c2-8 (FLD+) - Body ground
    		GR - Body ground
    		Cushion motor operation signal
    		No. 1 or No. 2 fold seat switch RH fold
    		11 to 14 V
    c2-7 (FLD-) - Body ground
    		LG - Body ground
    		Cushion motor operation signal
    		No. 1 or No. 2 fold seat switch RH return
    		11 to 14 V
    c1-10 (FLD2) - Body ground
    		GR - Body ground
    		No. 1 fold seat switch signal (Fold)
    		No. 1 fold seat switch RH off
    		11 to 14 V
    No. 1 fold seat switch RH fold
    		Below 1 V
    c1-12 (RCLF) - Body ground
    		P - Body ground
    		Reclining forward switch signal
    		Always
    		11 to 14 V
    Rear power seat switch RH forward
    		Below 1 V
    c1-13 (RCLR) - Body ground
    		Y - Body ground
    		Reclining backward switch signal
    		Always
    		11 to 14 V
    Rear power seat switch RH backward
    		Below 1 V
    c1-14 (RTN2) - Body ground
    		SB - Body ground
    		No. 1 fold seat switch signal (Return)
    		No. 1 fold seat switch RH off
    		11 to 14 V
    No. 1 fold seat switch RH return
    		Below 1 V
    c1-15 (RTRN) - Body ground
    		L - Body ground
    		No. 2 fold seat switch signal (Return)
    		No. 2 fold seat switch RH off
    		11 to 14 V
    No. 2 fold seat switch RH return
    		Below 1 V
    c1-16 (FOLD) - Body ground
    		V - Body ground
    		No. 2 fold seat switch signal (Fold)
    		No. 2 fold seat switch RH off
    		11 to 14 V
    No. 2 fold seat switch RH fold
    		Below 1 V
    c1-17 (SV1) - c1-25 (SG1)
    		P - R
    		Folding position sensor power supply
    		Ignition switch off
    		Below 1 V
    Ignition switch ON
    		5.5 to 8 V
    c1-18 (SFLD) - c1-25 (SG1)
    		G - R
    		Folding position sensor signal
    		Motor operating
    		Pulse generation
    c1-19 (SRCL) - c1-24 (SG2)
    		LG - W
    		Reclining position sensor signal
    		Motor operating
    		Pulse generation
    c1-24 (SG2) - Body ground
    		W - Body ground
    		Reclining position sensor ground
    		Always
    		Below 1 Ω
    c1-25 (SG1) - Body ground
    		R - Body ground
    		Folding position sensor ground
    		Always
    		Below 1 Ω
    c1-37 (SV2) - c1-24 (SG2)
    		GR - W
    		Reclining position sensor power supply
    		Ignition switch off
    		Below 1 V
    Ignition switch ON
    		5.5 to 8 V
    c1-40 (PKB1) - Body ground*2
    		R - Body ground
    		Parking brake switch signal
    		Parking brake switch off
    		11 to 14 V
    Parking brake switch on
    		Below 1 V
    1. *1: for Automatic Transmission
    2. *2: for Manual Transmission
    If the result is not as specified, the ECU may have a malfunction.