RM36D0EC _58 Vehicle Interior _083102 SEAT _0420019 CLIMATE CONTROL SEAT SYSTEM(for Gasoline Model) U

SEAT CLIMATE CONTROL SEAT SYSTEM(for Gasoline Model) TERMINALS OF ECU

CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY

2.677,0.146 3.125,0.365 0.448,0.219 1.615,0.156 2.063,0.375 0.448,0.219 3.656,0.156 4.104,0.375 0.448,0.219 5.552,0.156 6,0.375 0.448,0.219 4.708,0.156 5.156,0.375 0.448,0.219 1.719,0.198 2.177,0.396 0.458,0.198 10 false G50 2.781,0.188 3.24,0.385 0.458,0.198 10 false G48 3.76,0.188 4.219,0.385 0.458,0.198 10 false G47 4.781,0.188 5.24,0.385 0.458,0.198 10 false G46 5.656,0.188 6.115,0.385 0.458,0.198 10 false z11

Disconnect the G46 air conditioning amplifier assembly connector.

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

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
G46-6 (IG+) - Body ground	GR - Body ground	IG power supply	Engine switch on (IG)	11 to 14 V
G46-6 (IG+) - Body ground	GR - Body ground	IG power supply	Engine switch off	Below 1 V
G46-17 (GND) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω

Reconnect the G46 air conditioning amplifier assembly connector.

Check for pulses according to the value(s) in the table below.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
G46-7 (LIN1) - Body ground	GR - Body ground	LIN communication line	Engine switch on (IG)	Pulse generation
G46-13 (ROUT) - Body ground	L - Body ground	RH side seat blower control signal	· Engine switch on (IG) · RH side refreshing seat switch (seat blower switch) operate	Pulse generation (See waveform)
G46-14 (LOUT) - Body ground	G - Body ground	LH side seat blower control signal	· Engine switch on (IG) · LH side refreshing seat switch (seat blower switch) operate	Pulse generation (See waveform)

0.156,1.594 0.594,1.833 0.438,0.24 10 false GND

Waveform (Reference):

Measurement Condition
Item	Content
Tester Connection	· G46-13 (ROUT) - Body ground · G46-14 (LOUT) - Body ground
Tool Setting	1 V/DIV., 1 ms/DIV.
Vehicle Condition	· Engine switch on (IG) · RH side refreshing seat switch (seat blower switch) operate · LH side refreshing seat switch (seat blower switch) operate

CHECK REFRESHING SEAT SWITCH (SEAT BLOWER SWITCH)

3.396,0.135 3.75,0.375 0.354,0.24 3.458,0.177 3.74,0.354 0.281,0.177 10 false G31

Disconnect the G31 refreshing seat switch (seat blower switch) connector.

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

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
G31-9 (IG) - Body ground	LA-R - Body ground	IG power supply	Engine switch on (IG)	11 to 14 V
G31-9 (IG) - Body ground	LA-R - Body ground	IG power supply	Engine switch off	Below 1 V
G31-7 (E) - Body ground	LA - Body ground	Ground	Always	Below 1 Ω

Reconnect the G31 refreshing seat switch (seat blower switch) connector.

Check for pulses according to the value(s) in the table below.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
G31-8 (SLIN) - Body ground	GR - Body ground	LIN communication line	Engine switch on (IG)	Pulse generation