Infiniti M35/M45 Y50. Manual — part 732
FUEL PUMP
EC-1401
[VK45DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
15.
CHECK FUEL PUMP
Refer to
EC-1401, "Component Inspection"
.
OK or NG
OK
>> GO TO 16.
NG
>> Replace fuel pump.
16.
CHECK INTERMITTENT INCIDENT
Refer to
EC-857, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT"
OK or NG
OK
>> Replace IPDM E/R.
NG
>> Repair or replace harness or connectors.
Component Inspection
NBS005Q5
FUEL PUMP
1.
Turn ignition switch OFF.
2.
Disconnect “fuel level sensor unit and fuel pump” harness connector.
3.
Check resistance between “fuel level sensor unit and fuel pump”
terminals 1 and 3.
DROPPING RESISTOR
1.
Turn ignition switch OFF.
2.
Disconnect dropping resistor harness connector.
3.
Check resistance between dropping resistor terminals 1 and 2.
CONDENSER
1.
Turn ignition switch OFF.
2.
Disconnect condenser harness connector.
Resistance: 0.2 - 5.0
Ω
[at 25
°
C (77
°
F)]
SEC918C
Resistance: Approximately 0.9
Ω
[at 20
°
C (68
°
F)]
PBIB0100E
EC-1402
[VK45DE]
FUEL PUMP
3.
Check resistance between condenser terminals 1 and 2.
Removal and Installation
NBS005Q6
FUEL PUMP
Refer to
FL-4, "FUEL LEVEL SENSOR UNIT, FUEL FILTER AND FUEL PUMP ASSEMBLY"
Resistance:
Above 1 M
Ω
[at 25
°
C (77
°
F)]
PBIB0794E
ICC BRAKE SWITCH
EC-1403
[VK45DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
ICC BRAKE SWITCH
PFP:25320
Component Description
NBS005QE
When the brake pedal is depressed, ICC brake switch (2) is turned
OFF and stop lamp switch (1) is turned ON. ECM detects the state of
the brake pedal by this input of two kinds (ON/OFF signal).
Refer to
for the ICC function.
CONSULT-II Reference Value in Data Monitor Mode
NBS005QF
Specification data are reference values.
PBIB2705E
MONITOR ITEM
CONDITION
SPECIFICATION
BRAKE SW1
(ICC brake switch)
●
Ignition switch: ON
Brake pedal: Fully released
ON
Brake pedal: Slightly depressed
OFF
BRAKE SW2
(Stop lamp switch)
●
Ignition switch: ON
Brake pedal: Fully released
OFF
Brake pedal: Slightly depressed
ON
EC-1404
[VK45DE]
ICC BRAKE SWITCH
Wiring Diagram
NBS005QG
TBWT1069E
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