TROUBLE DIAGNOSIS — GENERAL DESCRIPTION; ECM Terminals and Reference Value (Cont'd) — Inspection Table 4

EF & EC-7068spec table

ECM Terminals and Reference Value (Cont'd)

CG10, CGA3

ECM Inspection Table (Terminals 40-64)

Terminal No.	Wire color	Item	Condition	Data (DC Voltage)
40	LG	A/T (CVT) check signal	[Engine is running] - Idle speed	0 - Approximately 5 V
41	G	Mass air flow sensor	[Engine is running] - Warm-up condition - Idle speed	1.0 - 1.7 V
41	G	Mass air flow sensor	[Engine is running] - Warm-up condition - Engine speed is 2,500 rpm	1.5 - 2.1 V
42	PU	Vehicle speed sensor	[Engine is running] - Lift up the vehicle - In 2nd gear position - Vehicle speed is 40 km/h (25 MPH)	5 - 6 V — square pulses, 50 ms/div (see NEF171A)
30	W	Heated oxygen sensor 2 heater (rear)	[Engine is running] - During warm up to normal operating temperature	Approximately 0.7 V
30	W	Heated oxygen sensor 2 heater (rear)	[Engine is running] - After warm up to normal operating temperature	BATTERY VOLTAGE (11 - 14 V)
30	W	Heated oxygen sensor 2 heater (rear)	[Ignition switch "ON"] - Engine stopped	BATTERY VOLTAGE (11 - 14 V)
44	G/Y	Camshaft position sensor (PHASE)	[Engine is running] - Warm-up condition - Idle speed	4 - 5 V
44	G/Y	Camshaft position sensor (PHASE)	[Engine is running] - Engine speed is 2,000 rpm	4 - 5 V
46, 59	G, P	Sensors' power supply	[Ignition switch "ON"]	Approximately 5 V
48	Y/L	Air conditioner relay	[Engine is running] - Both A/C switch and blower switch are "ON"	Approximately 0 V
48	Y/L	Air conditioner relay	[Engine is running] - A/C switch is "OFF"	BATTERY VOLTAGE (11 - 14 V)
54	G/W	Power supply for ECM	[Ignition switch "ON"]	BATTERY VOLTAGE (11 - 14 V)
55	B	ECM ground	[Engine is running] - Idle speed	Engine ground
58	G/W	Ignition switch	[Ignition switch "OFF"]	0 V
58	G/W	Ignition switch	[Ignition switch "ON"]	BATTERY VOLTAGE (11 - 14 V)
64	Y/R	Air conditioner switch	[Engine is running] - Both air conditioner switch and blower switch are "ON" (Compressor operates)	Approximately 0 V
64	Y/R	Air conditioner switch	[Engine is running] - Air conditioner switch is "OFF"	Approximately 5 V

Wire colorLG

ItemA/T (CVT) check signal

Condition[Engine is running] - Idle speed

Data (DC Voltage)0 - Approximately 5 V

Wire colorG

ItemMass air flow sensor

Condition[Engine is running] - Warm-up condition - Idle speed

Data (DC Voltage)1.0 - 1.7 V

Wire colorG

ItemMass air flow sensor

Condition[Engine is running] - Warm-up condition - Engine speed is 2,500 rpm

Data (DC Voltage)1.5 - 2.1 V

Wire colorPU

ItemVehicle speed sensor

Condition[Engine is running] - Lift up the vehicle - In 2nd gear position - Vehicle speed is 40 km/h (25 MPH)

Data (DC Voltage)5 - 6 V — square pulses, 50 ms/div (see NEF171A)

Wire colorW

ItemHeated oxygen sensor 2 heater (rear)

Condition[Engine is running] - During warm up to normal operating temperature

Data (DC Voltage)Approximately 0.7 V

Wire colorW

ItemHeated oxygen sensor 2 heater (rear)

Condition[Engine is running] - After warm up to normal operating temperature

Data (DC Voltage)BATTERY VOLTAGE (11 - 14 V)

Wire colorW

ItemHeated oxygen sensor 2 heater (rear)

Condition[Ignition switch "ON"] - Engine stopped

Data (DC Voltage)BATTERY VOLTAGE (11 - 14 V)

Wire colorG/Y

ItemCamshaft position sensor (PHASE)

Condition[Engine is running] - Warm-up condition - Idle speed

Data (DC Voltage)4 - 5 V

Wire colorG/Y

ItemCamshaft position sensor (PHASE)

Condition[Engine is running] - Engine speed is 2,000 rpm

Data (DC Voltage)4 - 5 V

46, 59

Wire colorG, P

ItemSensors' power supply

Condition[Ignition switch "ON"]

Data (DC Voltage)Approximately 5 V

Wire colorY/L

ItemAir conditioner relay

Condition[Engine is running] - Both A/C switch and blower switch are "ON"

Data (DC Voltage)Approximately 0 V

Wire colorY/L

ItemAir conditioner relay

Condition[Engine is running] - A/C switch is "OFF"

Data (DC Voltage)BATTERY VOLTAGE (11 - 14 V)

Wire colorG/W

ItemPower supply for ECM

Condition[Ignition switch "ON"]

Data (DC Voltage)BATTERY VOLTAGE (11 - 14 V)

Wire colorB

ItemECM ground

Condition[Engine is running] - Idle speed

Data (DC Voltage)Engine ground

Wire colorG/W

ItemIgnition switch

Condition[Ignition switch "OFF"]

Data (DC Voltage)0 V

Wire colorG/W

ItemIgnition switch

Condition[Ignition switch "ON"]

Data (DC Voltage)BATTERY VOLTAGE (11 - 14 V)

Wire colorY/R

ItemAir conditioner switch

Condition[Engine is running] - Both air conditioner switch and blower switch are "ON" (Compressor operates)

Data (DC Voltage)Approximately 0 V

Wire colorY/R

ItemAir conditioner switch

Condition[Engine is running] - Air conditioner switch is "OFF"

Data (DC Voltage)Approximately 5 V

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TROUBLE DIAGNOSIS — GENERAL DESCRIPTION; ECM Terminals and Reference Value (Cont'd) — Inspection Table 4

ECM Terminals and Reference Value (Cont'd)

ECM Inspection Table (Terminals 40-64)

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