Infiniti F50. Manual - part 365
TROUBLE DIAGNOSIS
EC-101
C
D
E
F
G
H
I
J
K
L
M
A
EC
11
G
Heated oxygen sensor 2
heater (bank 2)
[Engine is running]
●
Engine speed is below 3,600 rpm after the
following conditions are met.
–
Warm-up condition
–
Keeping the engine speed between 3,500
and 4,000 rpm for 1 minute and at idle for 1
minute under no load
0 - 1.0V
[Ignition switch “ON”]
●
Engine stopped
[Engine is running]
●
Engine speed is above 3,600 rpm.
BATTERY VOLTAGE
(11 - 14V)
12
W/L
Counter current return
[Ignition switch “ON”]
BATTERY VOLTAGE
(11 - 14V)
18
19
20
21
29
30
31
32
Y/R
W/G
GY
W/R
GY/R
PU/W
L/R
G/R
Ignition signal No. 1
Ignition signal No. 2
Ignition signal No. 3
Ignition signal No. 4
Ignition signal No. 5
Ignition signal No. 6
Ignition signal No. 7
Ignition signal No. 8
[Engine is running]
●
Warm-up condition
●
Idle speed
NOTE:
The pulse cycle changes depending on rpm at
idle.
0 - 0.1V
[Engine is running]
●
Warm-up condition
●
Engine speed is 2,000 rpm.
0 - 0.2V
24
G/W
Air conditioner relay
[Engine is running]
●
Both A/C switch and blower switch “ON”
(Compressor operates).
0 - 1.0V
[Engine is running]
●
A/C switch: “OFF”.
BATTERY VOLTAGE
(11 - 14V)
25
B/R
Fuel pump control module
[When cranking engine]
0 - 0.5V
[Engine is running]
●
Warm-up condition
●
Idle speed
8 - 12V
26
OR
Throttle control motor relay
[Ignition switch “OFF”]
BATTERY VOLTAGE
(11 - 14V)
[Ignition switch “ON”]
0 - 1.0V
27
PU
VIAS control solenoid valve
[Engine is running]
●
Selector lever: “P” or “N”
0 - 1.0V
[Engine is running]
●
Selector lever: “D”
BATTERY VOLTAGE
(11 - 14V)
[Engine is running]
●
Engine speed is above 5,000 rpm
0 - 1.0V
28
L
Cooling fan speed control
solenoid valve ground
[Engine is running]
Approximately 0V
TER-
MINAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
PBIB0044E
PBIB0045E