RM35X0E _58 Vehicle Interior _078378 THEFT DETERRENT / KEYLESS ENTRY _0386642 IMMOBILISER SYSTEM(w/o Entry and Start System) U

THEFT DETERRENT / KEYLESS ENTRY IMMOBILISER SYSTEM(w/o Entry and Start System) TERMINALS OF ECU

CHECK TRANSPONDER KEY ECU ASSEMBLY

3.365,0.375 3.781,0.635 0.417,0.26 3.458,0.417 3.917,0.615 0.458,0.198 10 false N66

Disconnect the N66 transponder key ECU assembly connector.

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

HINT:: Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)	Input/Output	Wiring Color	Terminal Description	Condition	Specified Condition	Related Data List Item / DTC
N66-4 (+B) - N66-12 (GND)	Input	B - BR	Battery	Always	11 to 14 V	+B
N66-5 (KSW) - N66-12 (GND)	Input	W - BR	Unlock warning switch signal	No door control transmitter assembly in ignition key cylinder	10 kΩ or higher	· B2780 · Key SW
N66-5 (KSW) - N66-12 (GND)	Input	W - BR	Unlock warning switch signal	Door control transmitter assembly in ignition key cylinder	Below 1 Ω	· B2780 · Key SW
N66-6 (IG) - N66-12 (GND)	Input	R - BR	Ignition switch	Ignition switch off	Below 1 V	IG SW
N66-6 (IG) - N66-12 (GND)	Input	R - BR	Ignition switch	Ignition switch ON	11 to 14 V	IG SW
N66-12 (GND) - Body ground	-	BR - Body ground	Ground	Always	Below 1 Ω	-

Reconnect the N66 transponder key ECU assembly connector.

Measure the voltage and check for pulses according to the value(s) in the table below.

Terminal No. (Symbol)	Input/Output	Wiring Color	Terminal Description	Condition	Specified Condition	Related Data List Item / DTC
N66-8 (IND) - N66-12 (GND)	Output	GR - BR	Security indicator light signal	No door control transmitter assembly in ignition key cylinder, or 20 seconds elapsed after turning ignition switch to ACC or off (immobiliser system set)	Pulse generation	Immobiliser
N66-8 (IND) - N66-12 (GND)	Output	GR - BR	Security indicator light signal	Door control transmitter assembly in ignition key cylinder (immobiliser system unset)	Below 1 V	Immobiliser
N66-9 (D) - N66-12 (GND)	Input/Output	B - BR	DLC3 communication	Without communication	Below 1 V	-
N66-9 (D) - N66-12 (GND)	Input/Output	B - BR	DLC3 communication	During communication	Pulse generation	-
N66-2 (ANT1) - N66-12 (GND)	Input/Output	R - BR	Transponder key coil power source	No door control transmitter assembly in ignition key cylinder	Below 1 V	-
N66-2 (ANT1) - N66-12 (GND)	Input/Output	R - BR	Transponder key coil power source	Within 3 seconds of inserting door control transmitter assembly into ignition key cylinder	Pulse generation (See waveform 1)	-
N66-3 (ANT2) - N66-12 (GND)	Input/Output	W - BR	Transponder key coil communication signal	No door control transmitter assembly in ignition key cylinder	Below 1 V	-
N66-3 (ANT2) - N66-12 (GND)	Input/Output	W - BR	Transponder key coil communication signal	Within 3 seconds of inserting door control transmitter assembly into ignition key cylinder	Pulse generation (See waveform 2)	-
N66-10 (EFII) - N66-12 (GND)	Input	L - BR	EFI communication input (Signal input from ECM to transponder key ECU assembly)	Ignition switch off	11 to 14 V	-
N66-10 (EFII) - N66-12 (GND)	Input	L - BR	EFI communication input (Signal input from ECM to transponder key ECU assembly)	Within 3 seconds of engine start or within 3 seconds of ignition switch turned to ON after cable disconnected and reconnected to battery	Pulse generation (See waveform 3)	-
N66-11 (EFIO) - N66-12 (GND)	Output	R - BR	EFI communication output (Signal output from transponder key ECU assembly to ECM)	Ignition switch off	Below 1 V	-
N66-11 (EFIO) - N66-12 (GND)	Output	R - BR	EFI communication output (Signal output from transponder key ECU assembly to ECM)	Within 3 seconds of engine start or within 3 seconds of ignition switch turned to ON after cable disconnected and reconnected to battery	Pulse generation (See waveform 4)	-

Using an oscilloscope, check the waveform.

Waveform 1

5.76,0.854 6.219,1.052 0.458,0.198 10 GND

Tester Connection	N66-2 (ANT1) - N66-12 (GND)
Tool Setting	20 V/DIV., 2 s./DIV.
Condition	Within 3 seconds of inserting door control transmitter assembly into ignition key cylinder

ii.

Waveform 2

5.75,0.813 6.208,1.01 0.458,0.198 10 false GND

Tester Connection	N66-3 (ANT2) - N66-12 (GND)
Tool Setting	20 V/DIV., 2 s./DIV.
Condition	Within 3 seconds of inserting door control transmitter assembly into ignition key cylinder

iii.

Waveform 3

0.906,1.25 1.365,1.448 0.458,0.198 10 GND 2.719,1.354 3.177,1.552 0.458,0.198 10 *a 2.906,1.354 3.365,1.552 0.458,0.198 10 *b

Approximately 160 ms.

Approximately 270 ms.

Tester Connection	N66-10 (EFII) - N66-12 (GND)
Tool Setting	2 V/DIV., 500 ms./DIV.
Condition	Within 3 seconds of engine start or within 3 seconds of ignition switch turned to ON after cable disconnected and reconnected to battery

iv.

Waveform 4

0.844,1.24 1.302,1.438 0.458,0.198 10 GND 3.115,1.323 3.344,1.531 0.229,0.208 10 *a 3.313,1.323 3.542,1.531 0.229,0.208 10 *b

Approximately 160 ms.

Approximately 270 ms.

Tester Connection	N66-11 (EFIO) - N66-12 (GND)
Tool Setting	2 V/DIV., 500 ms./DIV.
Condition	Within 3 seconds of engine start or within 3 seconds of ignition switch turned to ON after cable disconnected and reconnected to battery

CHECK ECM (for 7GR-FKS)

2.906,0.542 3.354,0.75 0.448,0.208 6.115,0.563 6.563,0.771 0.448,0.208 6.26,0.594 6.573,0.792 0.313,0.198 10 false A1 3.063,0.573 3.375,0.771 0.313,0.198 10 false E3

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

Tester Connection	Wiring Color	Input/Output	Terminal Description	Condition	Specified Condition	Related Data List Item
A1-2 (BATT) - E3-1 (E1)	B - W-B	Input	Power source	Always	11 to 14 V	-
E3-1 (E1) - Body ground	W-B - Body ground	-	Ground	Always	Below 1 Ω	-
A1-9 (IMO) - E3-1 (E1)	L - W-B	Output	EFI communication output (Signal input from ECM to transponder key ECU assembly)	Ignition switch off	11 to 14 V	-
A1-9 (IMO) - E3-1 (E1)	L - W-B	Output	EFI communication output (Signal input from ECM to transponder key ECU assembly)	Within 3 seconds of engine start or within 3 seconds of ignition switch turned to ON after cable disconnected and reconnected to battery	Pulse generation (See waveform 1)	-
A1-8 (IMI) - E3-1 (E1)	R - W-B	Input	EFI communication input (Signal output from transponder key ECU assembly to ECM)	Ignition switch off	Below 1 V	-
A1-8 (IMI) - E3-1 (E1)	R - W-B	Input	EFI communication input (Signal output from transponder key ECU assembly to ECM)	Within 3 seconds of engine start or within 3 seconds of ignition switch turned to ON after cable disconnected and reconnected to battery	Pulse generation (See waveform 2)	-

Using an oscilloscope, check the waveform of the ECU.

NOTICE:: The waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.

Waveform 1

0.917,1.271 1.375,1.469 0.458,0.198 10 GND 2.719,1.354 3.177,1.552 0.458,0.198 10 *a 2.906,1.354 3.365,1.552 0.458,0.198 10 *b

Approximately 160 ms

Approximately 270 ms

Item	Content
Tester Connection	A1-9 (IMO) - E3-1 (E1)
Tool Setting	2 V/DIV., 500 ms./DIV.
Condition	Within 3 seconds of engine start or within 3 seconds of ignition switch turned to ON after cable disconnected and reconnected to battery

ii.

Waveform 2

0.844,1.24 1.302,1.438 0.458,0.198 10 GND 3.115,1.323 3.344,1.531 0.229,0.208 10 *a 3.313,1.323 3.542,1.531 0.229,0.208 10 *b

Approximately 160 ms

Approximately 270 ms

Item	Content
Tester Connection	A1-8 (IMI) - E3-1 (E1)
Tool Setting	2 V/DIV., 500 ms./DIV.
Condition	Within 3 seconds of engine start or within 3 seconds of ignition switch turned to ON after cable disconnected and reconnected to battery

CHECK ECM (for 1GD-FTV)

5.083,0.49 5.521,0.729 0.438,0.24 6.125,0.5 6.563,0.74 0.438,0.24 6.25,0.542 6.563,0.74 0.313,0.198 10 false A2 5.208,0.521 5.521,0.719 0.313,0.198 10 false N2

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

Tester Connection	Wiring Color	Input/Output	Terminal Description	Condition	Specified Condition	Related Data List Item
N2-1 (BATT) - A2-5 (E1)	L- W-B	Input	Power source	Always	11 to 14 V	-
A2-5 (E1) - Body ground	W-B - Body ground	-	Ground	Always	Below 1 Ω	-
A2-17 (IMO) - A2-5 (E1)	L - W-B	Output	EFI communication output (Signal input from ECM to transponder key ECU assembly)	Ignition switch off	11 to 14 V	-
A2-17 (IMO) - A2-5 (E1)	L - W-B	Output	EFI communication output (Signal input from ECM to transponder key ECU assembly)	Within 3 seconds of engine start or within 3 seconds of ignition switch turned to ON after cable disconnected and reconnected to battery	Pulse generation (See waveform 1)	-
A2-16 (IMI) - A2-5 (E1)	R - W-B	Input	EFI communication input (Signal output from transponder key ECU assembly to ECM)	Ignition switch off	Below 1 V	-
A2-16 (IMI) - A2-5 (E1)	R - W-B	Input	EFI communication input (Signal output from transponder key ECU assembly to ECM)	Within 3 seconds of engine start or within 3 seconds of ignition switch turned to ON after cable disconnected and reconnected to battery	Pulse generation (See waveform 2)	-

Using an oscilloscope, check the waveform of the ECU.

NOTICE:: The waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.

Waveform 1

0.917,1.271 1.375,1.469 0.458,0.198 10 GND 2.719,1.354 3.177,1.552 0.458,0.198 10 *a 2.906,1.354 3.365,1.552 0.458,0.198 10 *b

Approximately 160 ms

Approximately 270 ms

Item	Content
Tester Connection	A2-17 (IMO) - A2-5 (E1)
Tool Setting	2 V/DIV., 500 ms./DIV.
Condition	Within 3 seconds of engine start or within 3 seconds of ignition switch turned to ON after cable disconnected and reconnected to battery

ii.

Waveform 2

0.844,1.24 1.302,1.438 0.458,0.198 10 GND 3.115,1.323 3.344,1.531 0.229,0.208 10 *a 3.313,1.323 3.542,1.531 0.229,0.208 10 *b

Approximately 160 ms

Approximately 270 ms

Item	Content
Tester Connection	A2-16 (IMI) - A2-5 (E1)
Tool Setting	2 V/DIV., 500 ms./DIV.
Condition	Within 3 seconds of engine start or within 3 seconds of ignition switch turned to ON after cable disconnected and reconnected to battery