Nissan Quest E52. Instruction — part 537
EC-358
< DTC/CIRCUIT DIAGNOSIS >
[VQ35DE]
P1554 BATTERY CURRENT SENSOR
3.
Disconnect battery negative cable.
4.
Install jumper cable between battery negative terminal and body
ground.
5.
Turn ignition switch ON.
6.
Check the voltage between ECM harness connector terminals
under the following conditions.
Before measuring the terminal voltage, confirm that the battery is fully charged. Refer to
PG-97, "How to Handle Battery"
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace battery negative cable assembly.
ECM
Voltage (V)
Connector
+
–
Terminal
Terminal
F8
66
(Battery current
sensor signal)
68
(Sensor ground)
Approx. 2.5
JPBIA3287ZZ
P1556, P1557 BATTERY TEMPERATURE SENSOR
EC-359
< DTC/CIRCUIT DIAGNOSIS >
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
P1556, P1557 BATTERY TEMPERATURE SENSOR
DTC Logic
INFOID:0000000009651207
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
1.
Turn ignition switch OFF and wait at least 10 seconds.
2.
Turn ignition switch ON.
3.
Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is 10 V or more at idle.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Start the engine and let it idle at least 10 seconds.
2.
Check 1st trip DTC.
Is 1st trip DTC detected?
YES
>> Proceed to
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009651208
1.
CHECK BATTERY TEMPERATURE SENSOR INPUT SIGNAL CIRCUIT-I
1.
Disconnect battery current sensor harness connector.
2.
Turn ignition switch ON.
3.
Check the voltage between battery current sensor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 2.
2.
CHECK BATTERY TEMPERATURE SENSOR INPUT SIGNAL CIRCUIT-II
1.
Turn ignition switch ON.
2.
Disconnect ECM harness connector.
DTC No.
Trouble diagnosis name
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P1556
BAT TMP SEN/CIRC
(Battery temperature sensor cir-
cuit low input)
Signal voltage from Battery temperature
sensor remains 0.16V or less for 5 sec-
onds or more.
• Harness or connectors
[Battery current sensor (Battery tem-
perature sensor) circuit is shorted.]
[Camshaft position sensor (PHESE)
circuit is open or shorted.]
(Accelerator pedal position sensor 2
circuit is shorted.)
(Throttle position sensor circuit is
shorted.)
• Battery current sensor (Battery tem-
perature sensor)
• Camshaft position sensor (PHESE)
• Accelerator pedal position sensor
• Throttle position sensor
P1557
BAT TMP SEN/CIRC
(Battery temperature sensor cir-
cuit high input)
Signal voltage from Battery temperature
sensor remains 4.84V or more for 5 sec-
onds or more.
Battery current sensor
Ground
Voltage (V)
Connector
Terminal
F76
2
Ground
Approx. 5
EC-360
< DTC/CIRCUIT DIAGNOSIS >
[VQ35DE]
P1556, P1557 BATTERY TEMPERATURE SENSOR
3.
Check the continuity between battery current sensor harness connector and ECM harness connector.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair open circuit.
3.
CHECK SENSOR POWER SUPPLY CIRCUIT
Check harness for short to power and short to ground, between the following terminals.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair short to ground or short to power in harness or connectors.
4.
CHECK COMPONENTS
Check the following.
• Camshaft position sensor (PHESE) (Refer to
EC-276, "Component Inspection"
• Battery current sensor (Refer to
EC-351, "Component Inspection"
.)
• Throttle position sensor (Refer to
EC-198, "Component Inspection"
.)
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace malfunctioning component.
5.
CHECK APP SENSOR
Check APP sensor. Refer to
EC-405, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Replace accelerator pedal assembly. Refer to
6.
CHECK BATTERY TEMPERATURE SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check the continuity between battery current sensor harness connector and ECM harness connector.
4.
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair open circuit, short to ground or short to power in harness or connectors.
7.
CHECK BATTERY TEMPERATURE SENSOR
Check battery temperature sensor. Refer to
EC-361, "Component Inspection (Battery Temperature Sensor)"
.
Battery current sensor
ECM
Continuity
Connector
Terminal
Connector
Terminal
F76
2
F8
67
Existed
ECM
Sensor
Connector
Terminal
Name
Connector
Terminal
F8
75
Battery current sensor
F76
1
83
CMP sensor (PHESE) bank 1
F26
87
CMP sensor (PHESE) bank 2
F69
F7
24
TP sensor
F29
1
E16
99
APP sensor
E110
4
Battery current sensor
ECM
Continuity
Connector
Terminal
Connector
Terminal
F76
3
F8
68
Existed
P1556, P1557 BATTERY TEMPERATURE SENSOR
EC-361
< DTC/CIRCUIT DIAGNOSIS >
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Replace battery negative cable assembly.
8.
CHECK INTERMITTENT INCIDENT
Check intermittent incident. Refer to
GI-42, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection (Battery Temperature Sensor)
INFOID:0000000009651209
1.
CHECK BATTERY TEMPERATURE SENSOR
1.
Turn ignition switch OFF.
2.
Disconnect battery current sensor.
3.
Check the resistance between battery current sensor connector terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace battery negative cable assembly.
Battery current sensor
Resistance
+
−
Terminal
2
3
continuity with the resis-
tance value 100
Ω
or more
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