Nissan Quest E52. Instruction — part 469
EC-86
< ECU DIAGNOSIS INFORMATION >
[VQ35DE]
ECM
33
(R/B)
128
(B)
Fuel injector No. 1
Output
[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes de-
pending on rpm at idle
BATTERY VOLTAGE
(11 - 14 V)
44
(R/W)
Fuel injector No. 2
45
(P/B)
Fuel injector No. 6
46
(L/W)
Fuel injector No. 5
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
BATTERY VOLTAGE
(11 - 14 V)
47
(LG/R)
Fuel injector No. 4
48
(R/Y)
Fuel injector No. 3
34
(O)
128
(B)
Throttle control motor relay
Output
[Ignition switch: ON
→
OFF]
0 - 1.0 V
→
BATTERY VOLTAGE
(11 - 14 V)
→
0 V
[Ignition switch: ON]
0 - 1.0 V
37
(P/B)
128
(B)
Heated oxygen sensor 2 heat-
er (bank 1)
Output
[Engine is running]
• Engine speed: Below 3,600
rpm after the following condi-
tions are met
- Engine: after warming up
- Keeping the engine speed be-
tween 3,500 and 4,000 rpm
for 1 minute and at idle for 1
minute under no load
10 V
[Ignition switch: ON]
• Engine stopped
[Engine is running]
• Engine speed: Above 3,600
rpm
BATTERY VOLTAGE
(11 - 14 V)
38
(BR/W)
128
(B)
Electronic controlled engine
mount control solenoid valve
Output
[Engine is running]
• Idle speed
0 - 1.0 V
[Engine is running]
• Engine speed: More than 950
rpm
BATTERY VOLTAGE
(11 - 14 V)
39
(V)
128
(B)
VIAS control solenoid valve 1
Output
[Engine is running]
• Warm-up condition
• Idle speed
BATTERY VOLTAGE
(11 - 14 V)
[Engine is running]
• Warm-up condition
• When revving engine up to
5,000 rpm quickly
BATTERY VOLTAGE (11 - 14 V)
↓
0 - 1.0 V
↓
BATTERY VOLTAGE (11 - 14 V)
40
(GR/B)
128
(B)
VIAS control solenoid valve 2
Output
[Engine is running]
• Warm-up condition
• Idle speed
BATTERY VOLTAGE
(11 - 14 V)
[Engine is running]
• Warm-up condition
• When revving engine up to
5,000 rpm quickly
BATTERY VOLTAGE (11 - 14 V)
↓
0 - 1.0 V
↓
BATTERY VOLTAGE (11 - 14 V)
Terminal No.
Description
Condition
Value
(Approx.)
+
-–
Signal name
Input/
Output
JMBIA0047GB
JMBIA0048GB
JMBIA0902GB
ECM
EC-87
< ECU DIAGNOSIS INFORMATION >
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
41
(R)
128
(B)
Heated oxygen sensor 2 heat-
er (bank 2)
Output
[Engine is running]
• Engine speed: Below 3,600
rpm after the following condi-
tions are met
- Engine: after warming up
- Keeping the engine speed be-
tween 3,500 and 4,000 rpm
for 1 minute and at idle for 1
minute under no load
10 V
[Ignition switch: ON]
• Engine stopped
[Engine is running]
• Engine speed: Above 3,600
rpm
BATTERY VOLTAGE
(11 - 14 V)
42
(P/L)
128
(B)
EVAP canister purge volume
control solenoid valve
Output
[Engine is running]
• Idle speed
• Accelerator pedal: Not de-
pressed even slightly, after
engine starting
BATTERY VOLTAGE
(11 - 14 V)
[Engine is running]
• Engine speed: approximately
2,000 rpm (More than 100
seconds after starting engine)
BATTERY VOLTAGE
(11 - 14 V)
43
(GR)
128
(B)
Fuel pump relay
Output
[Ignition switch: ON]
• For 1 second after turning ig-
nition switch: ON
[Engine is running]
0 - 1.0 V
54
(R/G)
84
(Y/B)
Sensor power supply
[Crankshaft position sensor
(POS)]
—
[Ignition switch: ON]
5 V
55
(R)
128
(B)
Intake valve timing control so-
lenoid valve (bank 1)
Output
[Engine is running]
• Warm-up condition
• Idle speed
BATTERY VOLTAGE
(11 - 14 V)
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
7 - 12 V
Terminal No.
Description
Condition
Value
(Approx.)
+
-–
Signal name
Input/
Output
JMBIA0902GB
JMBIA0039GB
JMBIA0040GB
JMBIA0038GB
EC-88
< ECU DIAGNOSIS INFORMATION >
[VQ35DE]
ECM
56
(Y)
128
(B)
Intake valve timing control so-
lenoid valve (bank 2)
Output
[Engine is running]
• Warm-up condition
• Idle speed
BATTERY VOLTAGE
(11 - 14 V)
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
7 - 12 V
57
(W)
128
(B)
Heated oxygen sensor 2
(bank 1)
Input
[Engine is running]
• Revving engine from idle to
3,000 rpm quickly after the fol-
lowing conditions are met
- Engine: after warming up
- Keeping the engine speed be-
tween 3,500 and 4,000 rpm
for 1 minute and at idle for 1
minute under no load
0 - 1.0 V
58
(W/L)
128
(B)
Heated oxygen sensor 2
(bank 2)
Input
[Engine is running]
• Revving engine from idle to
3,000 rpm quickly after the fol-
lowing conditions are met
- Engine: after warming up
- Keeping the engine speed be-
tween 3,500 and 4,000 rpm
for 1 minute and at idle for 1
minute under no load
0 - 1.0 V
59
(B)
—
Sensor ground
(Heated oxygen sensor 2)
—
—
—
63
(R)
64
(G)
Refrigerant pressure sensor
Input
[Engine is running]
• Warm-up condition
• Both A/C switch and blower
fan motor switch: ON (Com-
pressor operates)
1.0 - 4.0 V
64
(G)
—
Sensor ground
(Refrigerant pressure sensor)
—
—
—
66
(BR)
68
(G/B)
Battery current sensor
Input
[Engine is running]
• Battery: Fully charged*
2
• Idle speed
2.6 - 3.5 V
67
(W)
68
(G/B)
Battery temperature sensor
Input
[Engine is running]
0 - 4.8 V
Output voltage varies with battery
temperature.
68
(G/B)
—
Sensor ground
(Battery current sensor)
—
—
—
69
(P)
73
(L)
A/F sensor 1 (bank 1)
Input
[Ignition switch: ON]
2.2 V
70
(Y)
76
(B/R)
Engine coolant temperature
sensor
Input
[Engine is running]
0 - 4.8 V
Output voltage varies with engine
coolant temperature.
73
(L)
128
(B)
A/F sensor 1 (bank 1)
Input
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
1.8 V
Output voltage varies with air fuel
ratio.
Terminal No.
Description
Condition
Value
(Approx.)
+
-–
Signal name
Input/
Output
JMBIA0038GB
ECM
EC-89
< ECU DIAGNOSIS INFORMATION >
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
74
(L/Y)
80
(G/B)
Intake air temperature sensor
Input
[Engine is running]
0 - 4.8 V
Output voltage varies with intake
air temperature.
75
(R/Y)
68
(G/B)
Sensor power supply
(Battery current sensor)
—
[Ignition switch: ON]
5 V
76
(B/R)
—
Sensor ground
(Engine coolant temperature
sensor/Engine oil tempera-
ture sensor)
—
—
—
77
(V)
81
(LG)
A/F sensor 1 (bank 2)
Input
[Ignition switch: ON]
2.2 V
78
(G)
76
(B/R)
Engine oil temperature sensor
Input
[Engine is running]
0 - 4.8 V
Output voltage varies with engine
oil temperature.
80
(G/B)
—
Sensor ground
(Mass air flow sensor/Intake
air temperature sensor)
—
—
—
81
(LG)
128
(B)
A/F sensor 1 (bank 2)
Input
[Engine is running]
• Warm-up condition
• Engine speed: 2,000 rpm
1.8 V
Output voltage varies with air fuel
ratio.
82
(O)
80
(G/B)
Mass air flow sensor
Input
[Engine is running]
• Warm-up condition
• Idle speed
0.9 - 1.2 V
[Engine is running]
• Warm-up condition
• Engine speed: 2,500 rpm
1.6 - 1.9 V
83
(G/W)
88
(B/R)
Sensor power supply
[Camshaft position sensor
(PHASE) (bank 1)]
—
[Ignition switch: ON]
5 V
84
(Y/B)
—
Sensor ground
[Crankshaft position sensor
(POS)]
—
—
—
85
(B)
91
(—)
Knock sensor (bank 1)
Input
[Engine is running]
• Idle speed
2.5 V*
1
86
(W)
91
(—)
Knock sensor (bank 2)
Input
[Engine is running]
• Idle speed
2.5 V*
1
87
(R/W)
92
(Y/G)
Sensor power supply
[Camshaft position sensor
(PHASE) (bank 2)]
—
[Ignition switch: ON]
5 V
88
(B/R)
—
Sensor ground
[Camshaft position sensor
(PHASE) (bank 1)]
—
—
—
Terminal No.
Description
Condition
Value
(Approx.)
+
-–
Signal name
Input/
Output
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