Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - SEAT
SEAT HEATER SYSTEM - TERMINALS OF ECU
CHECK SEAT CLIMATE CONTROL ECU LH (w/ Climate Control Seat System) |
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 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 |
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 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) |
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 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 |
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 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 |