2004 INFINITI QX56 Factory Service Manual

Page 1777 of 3371

INFINITI QX56 2004  Factory Service Manual EC-586Revision: August 2007
IGNITION SIGNAL
2004 QX56
BBWA11 88 E

Page 1778 of 3371

INFINITI QX56 2004  Factory Service Manual IGNITION SIGNAL
EC-587
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: August 20072004 QX56
Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by C

Page 1779 of 3371

INFINITI QX56 2004  Factory Service Manual EC-588Revision: August 2007
IGNITION SIGNAL
2004 QX56
BBWA11 89 E

Page 1780 of 3371

INFINITI QX56 2004  Factory Service Manual IGNITION SIGNAL
EC-589
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: August 20072004 QX56
Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by C

Page 1781 of 3371

INFINITI QX56 2004  Factory Service Manual EC-590Revision: August 2007
IGNITION SIGNAL
2004 QX56
3. CHECK OVERALL FUNCTION
 Without CONSULT-II
1. Let engine idle.
2. Read the voltage signal between ECM terminals 46, 60, 61, 62,
65, 79, 80, 81

Page 1782 of 3371

INFINITI QX56 2004  Factory Service Manual IGNITION SIGNAL
EC-591
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: August 20072004 QX56
5. CHECK IGNITION COIL POWER SUPPLY CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect condenser harness connector.
3

Page 1783 of 3371

INFINITI QX56 2004  Factory Service Manual EC-592Revision: August 2007
IGNITION SIGNAL
2004 QX56
8. CHECK CONDENSER GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Check harness continuity between condenser terminal 2 and eng

Page 1784 of 3371

INFINITI QX56 2004  Factory Service Manual IGNITION SIGNAL
EC-593
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: August 20072004 QX56
12. CHECK IGNITION COIL GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Check harness continuity betwe