Infiniti M45 (Y34). Manual — part 495
INJECTOR CIRCUIT
EC-669
C
D
E
F
G
H
I
J
K
L
M
A
EC
Component Inspection
ABS002TU
INJECTOR
1.
Disconnect injector harness connector.
2.
Check resistance between terminals as shown in the figure.
Removal and Installation
ABS002TV
INJECTOR
Refer to
EM-31, "FUEL INJECTOR AND FUEL TUBE"
.
Resistance: 13.5 - 17.5
Ω
[at 10 - 60
°
C (50 - 140
°
F)]
PBIB1727E
EC-670
START SIGNAL
START SIGNAL
PFP:48750
CONSULT-II Reference Value in Data Monitor Mode
ABS002TW
Specification data are reference values.
MONITOR ITEM
CONDITION
SPECIFICATION
START SIGNAL
●
Ignition switch: ON
→
START
→
ON
OFF
→
ON
→
OFF
START SIGNAL
EC-671
C
D
E
F
G
H
I
J
K
L
M
A
EC
Wiring Diagram
ABS002TX
TBWA0313E
EC-672
START SIGNAL
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
Diagnostic Procedure
ABS002TY
1.
INSPECTION START
Do you have CONSULT-II?
Yes or No
Yes
>> GO TO 2.
No
>> GO TO 3.
2.
CHECK OVERALL FUNCTION
With CONSULT-II
1.
Turn ignition switch ON.
2.
Check “START SIGNAL” in “DATA MONITOR” mode with CON-
SULT-II under the following conditions.
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 4.
3.
CHECK OVERALL FUNCTION
Without CONSULT-II
Check voltage between ECM terminal 59 and ground under the fol-
lowing conditions.
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 4.
4.
CHECK STARTING SYSTEM
Turn ignition switch OFF, then turn it to START.
Does starter motor operate?
Yes or No
Yes
>> GO TO 5.
No
>> Refer to
TER-
MINAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
59
SB
Start signal
[Ignition switch: ON]
Approximately 0V
[Ignition switch: START]
9 - 12V
Condition
START SIGNAL
Ignition switch: ON
OFF
Ignition switch: START
ON
PBIB0182E
Condition
Voltage
Ignition switch: START
Battery voltage
Other positions
Approximately 0V
PBIB0677E
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