Seat Heater System On-Vehicle Inspection

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

  1. INSPECT SEAT HEATER CONTROL SUB-ASSEMBLY (for Front Side)

Seat Heater System -- On-Vehicle Inspection



1. INSPECT SEAT HEATER CONTROL SUB-ASSEMBLY (for Front Side)


Land Cruiser. Urj200, 202 Grj200 Vdj200.Seat.Front Power Seat Control System (W/ Seat Position Memory System).Seat Heater System  On-Vehicle Inspection
  1. Disconnect the c13 and c1 heater control connectors.

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    for LH Side
    Tester Connection
    Specified Condition
    c13-6 (E) - Body ground
    Below 1 Ω
    for RH Side
    Tester Connection
    Specified Condition
    c1-6 (E) - Body ground
    Below 1 Ω
    If the result is not as specified, there may be a malfunction on the wire harness side.
  1. Measure the voltage according to the value(s) in the table below.

    Standard Voltage:
    for LH Side
    Tester Connection
    Switch Condition
    Specified Condition
    c13-1 (SWL) - c13-6 (E)
    Engine switch on (IG), seat heater switch off
    Below 1 V
    Engine switch on (IG), seat heater switch on
    11 to 14 V
    c13-4 (B) - c13-6 (E)
    Engine switch off
    Below 1 V
    Engine switch on (IG)
    11 to 14 V
    for RH Side
    Tester Connection
    Switch Condition
    Specified Condition
    c1-1 (SWR) - c1-6 (E)
    Engine switch on (IG), seat heater switch off
    Below 1 V
    Engine switch on (IG), seat heater switch on
    11 to 14 V
    c1-4 (B1) - c1-6 (E)
    Engine switch off
    Below 1 V
    Engine switch on (IG)
    11 to 14 V
    If the result is not as specified, there may be a malfunction on the wire harness side.
  1. Connect the c13 and c1 heater control connectors.



    Land Cruiser. Urj200, 202 Grj200 Vdj200.Seat.Front Power Seat Control System (W/ Seat Position Memory System).Seat Heater System  On-Vehicle Inspection
  1. Measure the voltage according to the value(s) in the table below.

    Standard Voltage:
    for LH Side
    Tester Connection
    Switch Condition
    Specified Condition
    c13-5 (THL) - Body ground
    Engine switch on (IG), seat heater switch on, volume Min→ Max
    Gradual increase from below 1 V to 11 to 14 V
    for RH Side
    Tester Connection
    Switch Condition
    Specified Condition
    c1-5 (THR) - Body ground
    Engine switch on (IG), seat heater switch on, volume Min → Max
    Gradual increase from below 1 V to 11 to 14 V
    If the result is not as specified, the seat heater control may have a malfunction.