RM35X0E _58 Vehicle Interior _079316 HEATING / AIR CONDITIONING _0386653 AIR CONDITIONING SYSTEM(for Manual Cooler System) U

HEATING / AIR CONDITIONING AIR CONDITIONING SYSTEM(for Manual Cooler System) TERMINALS OF ECU

AIR CONDITIONING AMPLIFIER ASSEMBLY

2.063,0.333 2.646,0.583 0.583,0.25 3.552,0.333 4.135,0.583 0.583,0.25 4.781,0.333 5.365,0.583 0.583,0.25 2.229,0.365 2.688,0.563 0.458,0.198 10 false N41 3.719,0.375 4.177,0.573 0.458,0.198 10 false N40 4.958,0.375 5.417,0.573 0.458,0.198 10 false N39

Disconnect the N40 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
N40-5 (B) - Body ground	P - Body ground	Power source (Back-up)	Always	11 to 14 V
N40-6 (IG+) - Body ground	V - Body ground	Power source (IG)	Ignition switch ON	11 to 14 V
N40-6 (IG+) - Body ground	V - Body ground	Power source (IG)	Ignition switch off	Below 1 V
N40-17 (GND) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω

Reconnect the N40 air conditioning amplifier assembly connector.

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

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
N41-2 (S5-1) - Body ground	R - Body ground	Power source of sensor	Ignition switch off → ON	Below 1 V → 4.75 to 5.25 V
N41-4 (SG-8) - Body ground*1	B - Body ground	Ground for sensor	Always	Below 1 Ω
N41-6 (PRE) - N41-15 (SG-4)	B - GR	Air conditioner pressure sensor signal	· Engine running · Air conditioning system operating · Refrigerant pressure: Normal pressure (below 3025 kPa [30.8 kgf/cm², 439 psi] and higher than 176 kPa [1.8 kgf/cm², 26 psi])	0.74 to 4.61 V
			· Engine running · Air conditioning system operating · Refrigerant pressure: Abnormal pressure (less than 176 kPa (1.8 kgf/cm², 26 psi))	Below 0.74 V
			· Engine running · Air conditioning system operating · Refrigerant pressure: Abnormal pressure (more than 3025 kPa (30.8 kgf/cm², 439 psi))	4.61 V or higher
N41-7 (B/V) - Body ground	L - Body ground	Air mix switch signal	· Ignition switch ON · Blower switch: LO · Temperature switch: On	0.5 to 3.3 V
N41-8 (TEC) - N41-4 (SG-8)*1	V - B	No. 2 cooler thermistor signal	· Engine running · Evaporator temperature: 0°C (32°F)	1.7 to 2.1 V
N41-8 (TEC) - N41-4 (SG-8)*1	V - B	No. 2 cooler thermistor signal	· Engine running · Evaporator temperature: 15°C (59°F)	0.9 to 1.3 V
N41-9 (TSD) - N41-2 (S5-1)	B - R	Solar sensor signal	· Engine running Ignition switch ON · Solar sensor covered with a cloth	Below 0.8 V
N41-9 (TSD) - N41-2 (S5-1)	B - R	Solar sensor signal	· Engine running · Solar sensor subjected to electric light	0.8 to 4.3 V
N41-11 (S5-3) - Body ground	L - Body ground	Power source of sensor	Ignition switch off → ON	Below 1 V → 4.75 to 5.25 V
N41-12 (LOCK) - Body ground	B - Body ground	A/C lock sensor signal	· Engine running · Blower switch: LO · Temperature switch: On (magnet clutch on)	Pulse generation (See waveform 1)
N41-14 (SG-5) - Body ground	W - Body ground	Ground for sensor	Always	Below 1 Ω
N41-15 (SG-4) - Body ground	GR - Body ground	Ground for sensor	Always	Below 1 Ω
N41-18 (CFN+) - Body ground*2	SB - Body ground	CDS FAN relay drive output signal	· Engine running · Ambient temperature: 28°C (82°F) or lower · Air conditioning system operating · Condenser fan system operating	Below 1 V
N41-19 (MGC) - Body ground	G - Body ground	Magnet clutch drive output signal	· Engine running · Blower switch: Off · Temperature switch: Off or on (magnet clutch off)	11 to 14 V
N41-19 (MGC) - Body ground	G - Body ground	Magnet clutch drive output signal	· Engine running · Blower switch: On · Temperature switch: On (magnet clutch on)	Below 1 V
N41-20 (REC) - Body ground	L - Body ground	Recirculation/fresh motor signal	· Ignition switch ON · Recirculation/fresh switch: Off → on	Below 1 V → 11 to 14 V
N41-21 (FRS) - Body ground	G - Body ground	Recirculation/fresh motor signal	· Ignition switch ON · Recirculation/fresh switch: Off → on	11 to 14 V → Below 1 V
N40-1 (CANL)	-	CAN communication line	-	-
N40-2 (CANH)	-	CAN communication line	-	-
N40-3 (RDAC) - Body ground*1	W - Body ground	Rear blower switch signal	· Ignition switch ON · Rear blower switch: LO	11 to 14 V → Below 1 V
N40-4 (SW 1) - Body ground	GR - Body ground	Blower switch signal	· Ignition switch ON · Blower switch: Off → on	11 to 14 V → Below 1 V
N40-9 (FR) - Body ground	LG - Body ground	Recirculation/fresh switch signal	· Ignition switch ON · Recirculation/fresh switch: Off → on	Below 1 V → 11 to 14 V
N40-11 (F DEF) - Body ground	R - Body ground	Mode switch signal	· Engine running · DEF switch: Off → on	Below 1 V → 11 to 14 V
N40-22 (RMGV) - Body ground*1	L - Body ground	Magnet valve relay drive signal	· Engine running · Rear blower switch: On · Rear expansion value : Off → on	11 to 14 V → Below 1 V
N39-5 (SG-3) - Body ground	W - Body ground	Ground for sensor	Always	Below 1 Ω
N39-6 (TE) - N39-5 (SG-3)	LG - W	No. 1 cooler thermistor signal	· Ignition switch ON · Evaporator temperature: 0°C (32°F)	1.7 to 2.1 V
N39-6 (TE) - N39-5 (SG-3)	LG - W	No. 1 cooler thermistor signal	· Ignition switch ON · Evaporator temperature: 15°C (59°F)	0.9 to 1.3 V

*1: w/ Rear Cooler

*2: w/ Condenser Blower Motor

0.177,0.948 0.542,1.146 0.365,0.198 10 false GND

Waveform 1:

Item	Content
Terminal No.	N41-12 (LOCK) - N41-14 (SG-2)
Tool Setting	200 mV/DIV., 10 ms./DIV.
Vehicle Condition	· Engine running · Blower switch: LO · Temperature switch: On (magnet clutch on)

ECM

for 1GD-FTV (w/ DPF):Engine / Hybrid System>1GD-FTV (ENGINE CONTROL)>ECD SYSTEM (w/ DPF)>TERMINALS OF ECM201906,999999,_51,_078856,_0385516,RM100000001JA4J,

for 1GD-FTV (w/ EGR Cooler):Engine / Hybrid System>1GD-FTV (ENGINE CONTROL)>ECD SYSTEM (w/ EGR Cooler)>TERMINALS OF ECM201906,999999,_51,_078856,_0388653,RM100000001JABA,

for 1GD-FTV (w/o EGR Cooler):Engine / Hybrid System>1GD-FTV (ENGINE CONTROL)>ECD SYSTEM (w/o EGR Cooler)>TERMINALS OF ECM201906,999999,_51,_078856,_0388652,RM100000001JABZ,

for 1GD-FTV (for Water Cooled Type Intercooler):Engine / Hybrid System>1GD-FTV (ENGINE CONTROL)>ECD SYSTEM (for Water Cooled Type Intercooler)>TERMINALS OF ECM202006,202409,_51,_078856,_0412266,RM100000001P017,202409,999999,_51,_078856,_0412266,RM100000002ODUP,

for 1GD-FTV (w/ Exhaust Gas Temperature Sensor for EGR):Engine / Hybrid System>1GD-FTV (ENGINE CONTROL)>ECD SYSTEM (w/ Exhaust Gas Temperature Sensor for EGR)>TERMINALS OF ECM202208,999999,_51,_078856,_0395991,RM100000002570O,

for 1GD-FTV (w/ Urea SCR System):Engine / Hybrid System>1GD-FTV (ENGINE CONTROL)>ECD SYSTEM (w/ Urea SCR System)>TERMINALS OF ECM202208,999999,_51,_078856,_0382589,RM100000002569O,

MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

Click hereVehicle Exterior>LIGHTING (EXT)>LIGHTING SYSTEM (w/o Headlight ECU)>TERMINALS OF ECU201902,999999,_59,_079256,_0384398,RM100000001GS89,

COMBINATION METER ASSEMBLY

Click hereVehicle Interior>METER / GAUGE / DISPLAY>METER / GAUGE SYSTEM>TERMINALS OF ECU202107,202310,_58,_078337,_0379907,RM1000000025SVG,202310,999999,_58,_078337,_0379907,RM100000002G4T8,