Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - SEAT


SEAT HEATER SYSTEM - TERMINALS OF ECU

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

Seat Heater System - Terminals Of Ecu. SEAT. Land Cruiser URJ200  URJ202 GRJ200 VDJ200

Disconnect the c35 seat climate control ECU LH connector.

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

Terminal No. (Symbol)Wiring ColorTerminal DescriptionConditionSpecified Condition
c35-12 (B) - Body groundG - Body groundBattery power supplyAlways11 to 14 V
c35-13 (IG) - Body groundG - Body groundIgnition power supplyEngine switch on (IG)11 to 14 V
c35-8 (H5) - c35-19 (HS)LG - BEFront seat cushion heater LH (temperature sensor) signal25°C10 kΩ
c35-15 (V5) - c35-6 (VS)B - GFront seat heater switch (LH side) signalFront seat heater switch (LH side) max hotBelow 100 Ω
c35-15 (V5) - c35-17 (VG)B - BRFront seat heater switch (LH side) signalAlways4 to 6 kΩ
c35-3 (GND) -Body groundW-B - Body groundGroundAlwaysBelow 1 Ω

Reconnect the c35 seat climate control ECU LH connector.

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

Terminal No. (Symbol)Wiring ColorTerminal DescriptionConditionSpecified Condition
c35-11 (B) - c35-2 (E)W - BFront seat heater LH drive signalEngine switch on (IG), front seat heater LH operating11 to 14 V
Engine switch on (IG), front seat heater LH not operatingBelow 1 V
c35-15 (V5) - Body groundB - Body groundFront seat heater switch (LH side) power supplyEngine switch on (IG)4.7 to 5.2 V
c35-26 (IND) - Body groundL - Body groundSeat heater switch indicator light (LH side) illumination signalEngine 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)

Seat Heater System - Terminals Of Ecu. SEAT. Land Cruiser URJ200  URJ202 GRJ200 VDJ200

Disconnect the c32 seat climate control ECU RH connector.

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

Terminal No. (Symbol)Wiring ColorTerminal DescriptionConditionSpecified Condition
c32-12 (B) - Body groundG - Body groundBattery power supplyAlways11 to 14 V
c32-13 (IG) - Body groundG - Body groundIgnition power supplyEngine switch on (IG)11 to 14 V
c32-8 (H5) - c32-19 (HS)LG - BEFront seat cushion heater RH (temperature sensor) signal25°C10 kΩ
c32-15 (V5) - c32-6 (VS)B - WFront seat heater switch (RH side) signalFront seat heater switch (RH side) max hotBelow 100 Ω
c32-15 (V5) - c32-17 (VG)B - BRFront seat heater switch (RH side) signalAlways4 to 6 kΩ
c32-3 (GND) -Body groundW-B - Body groundGroundAlwaysBelow 1 Ω

Reconnect the c32 seat climate control ECU RH connector.

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

Terminal No. (Symbol)Wiring ColorTerminal DescriptionConditionSpecified Condition
c32-11 (B) - c32-2 (E)W - BFront seat heater RH drive signalEngine switch on (IG), front seat heater RH operating11 to 14 V
Engine switch on (IG), front seat heater RH not operatingBelow 1 V
c32-15 (V5) - Body groundB - Body groundFront seat heater switch (RH side) power supplyEngine switch on (IG)4.7 to 5.2 V
c32-26 (IND) - Body groundR - Body groundSeat heater switch indicator light (RH side) illumination signalEngine 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