Infiniti FX35 / FX45. Manual — part 905
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< SERVICE INFORMATION >
STARTING SYSTEM
STARTING SYSTEM
System Description
INFOID:0000000001328246
Power is supplied at all times
• through 40A fusible link (letter F, located in the fuse and fusible link block)
• to ignition switch terminal 1,
• through 15A fuse (No. 78, located in the IPDM E/R)
• to CPU of IPDM E/R,
• through 10A fuse (No. 71, located in the IPDM E/R)
• to CPU of IPDM E/R.
When the selector lever in the P or N position, power is supplied
• from TCM, and through A/T assembly terminal 9
• to IPDM E/R terminal 53.
Ground is supplied
• to IPDM E/R terminals 38, 50 and 60
• from grounds E21, E50 and E51.
With the ignition switch in the START position, and provided that the IPDM E/R receives a starter relay ON sig-
nal from the CAN lines, the IPDM E/R is energized and power is supplied
• from ignition switch terminal 5
• to IPDM E/R terminal 4 and
• through IPDM E/R terminal 3
• to starter motor terminal 1.
The starter motor plunger closes and provides a closed circuit between the battery and starter motor. The
starter motor is grounded to the engine block. With power and ground supplied, cranking occurs and the
engine starts.
STARTING SYSTEM
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< SERVICE INFORMATION >
C
D
E
F
G
H
I
J
L
M
A
B
SC
N
O
P
Wiring Diagram - START -
INFOID:0000000001328247
VK45DE ENGINE MODELS
TKWM1275E
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< SERVICE INFORMATION >
STARTING SYSTEM
VQ35DE ENGINE MODELS
Trouble Diagnosis with Starting/Charging System Tester (Starting)
INFOID:0000000001328248
For starting system testing, use Starting/Charging System Tester (J-44373). For details and operating instruc-
tions, refer to Technical Service Bulletin.
TKWM1276E
STARTING SYSTEM
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< SERVICE INFORMATION >
C
D
E
F
G
H
I
J
L
M
A
B
SC
N
O
P
DIAGNOSTIC PROCEDURE 1
Check “B” Terminal Circuit
CAUTION:
Perform diagnosis under the condition that engine cannot start by the following procedure.
*1
For battery testing, use Battery Ser-
vice Center (J-48087). For details
and operating instructions, refer to
Technical Service Bulletin and/or Bat-
tery Service Center User Guide.
*2
Refer to "MINIMUM SPECIFICA-
TION OF CRANKING VOLTAGE
REFERENCING COOLANT TEM-
PERATURE".
*3
Refer to "Check “B” Terminal Circuit".
*4
Refer to "Check “S” Connector Cir-
cuit".
SKIB1369E
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