Nissan Versa Note. Instruction — part 348
E
C
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7
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< DTC/CIRCUIT DIAGNOSIS >
[HR16DE]
P1551, P1552 BATTERY CURRENT SENSOR
P1551, P1552 BATTERY CURRENT SENSOR
DTC Logic
INFOID:0000000009429301
DTC DETECTION LOGIC
NOTE:
If DTC P1551 or P1552 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643.
Refer to
.
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 8V with ignition
switch ON
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON wait at least 10 seconds.
2. Check 1st trip DTC.
Is 1st trip DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009429302
1.
CHECK GROUND CONNECTION
1. Turn ignition switch OFF.
2. Check ground connection E15. Refer to Ground Inspection in
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace ground connection.
2.
CHECK BATTERY CURRENT SENSOR POWER SUPPLY CIRCUIT
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 3.
NO
>> Repair open circuit or sort to ground or short to power in harness or connectors.
3.
CHECK BATTERY CURRENT SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
DTC No.
Trouble diagnosis content
DTC detecting condition
Possible cause
P1551
Battery current sensor circuit
low input
An excessively low voltage from the sen-
sor is sent to ECM.
• Harness or connectors
(The sensor circuit is open or shorted.)
• Battery current sensor
P1552
Battery current sensor circuit
high input
An excessively high voltage from the sen-
sor is sent to ECM.
Battery current sensor
Ground
Voltage
Connector
Terminal
F9
1
Ground Approx. 5V
P1551, P1552 BATTERY CURRENT SENSOR
EC-375
< DTC/CIRCUIT DIAGNOSIS >
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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 4.
NO
>> Repair open circuit or sort to ground or short to power in harness or connectors.
4.
CHECK BATTERY CURRENT SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check the continuity between battery current sensor harness connector and ECM harness connector.
2. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair open circuit or sort to ground or short to power in harness or connectors.
5.
CHECK BATTERY CURRENT SENSOR
EC-375, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace battery negative cable assembly.
6.
CHECK INTERMITTENT INCIDENT
GI-41, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection
INFOID:0000000009429303
1.
CHECK BATTERY CURRENT SENSOR
1. Reconnect harness connectors disconnected.
2. Disconnect battery negative cable.
3. Install jumper cable between battery negative terminal and body
ground.
4. Turn ignition switch ON.
5. Check the voltage between ECM harness connector and
ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace battery negative cable assembly.
Battery current sensor
ECM
Continuity
Connector
Terminal
Connector Terminal
F9
3
F11
68
Existed
Battery current sensor
ECM
Continuity
Connector
Terminal
Connector Terminal
F9
4
F11
58
Existed
ECM
Ground
Voltage
Connector
Terminal
F11
58
(Battery current sensor signal)
Ground Approx. 2.5V
JPBIA3287ZZ
EC-376
< DTC/CIRCUIT DIAGNOSIS >
[HR16DE]
P1553 BATTERY CURRENT SENSOR
P1553 BATTERY CURRENT SENSOR
DTC Logic
INFOID:0000000009429305
DTC DETECTION LOGIC
NOTE:
If DTC P1553 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 8V at idle.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine and wait at least 10 seconds.
2. Check 1st trip DTC.
Is 1st trip DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009429306
1.
CHECK GROUND CONNECTION
1. Turn ignition switch OFF.
2. Check ground connection E15. Refer to Ground Inspection in
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace ground connection.
2.
CHECK BATTERY CURRENT SENSOR POWER SUPPLY CIRCUIT
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 3.
NO
>> Repair open circuit or sort to ground or short to power in harness or connectors.
3.
CHECK BATTERY CURRENT 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.
DTC No.
Trouble diagnosis content
DTC detecting condition
Possible cause
P1553
Battery current sensor perfor-
mance
The signal voltage transmitted from the
sensor to ECM is higher than the amount
of the maximum power generation.
• Harness or connectors
(The sensor circuit is open or shorted.)
• Battery current sensor
Battery current sensor
Ground
Voltage
Connector
Terminal
F9
1
Ground Approx. 5V
P1553 BATTERY CURRENT SENSOR
EC-377
< DTC/CIRCUIT DIAGNOSIS >
[HR16DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair open circuit or sort to ground or short to power in harness or connectors.
4.
CHECK BATTERY CURRENT SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check the continuity between battery current sensor harness connector and ECM harness connector.
2. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair open circuit or sort to ground or short to power in harness or connectors.
5.
CHECK BATTERY CURRENT SENSOR
EC-377, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace battery negative cable assembly.
6.
CHECK INTERMITTENT INCIDENT
GI-41, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection
INFOID:0000000009429307
1.
CHECK BATTERY CURRENT SENSOR
1. Reconnect harness connectors disconnected.
2. Disconnect battery negative cable.
3. Install jumper cable between battery negative terminal and body
ground.
4. Turn ignition switch ON.
5. Check the voltage between ECM harness connector and
ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace battery negative cable assembly.
Battery current sensor
ECM
Continuity
Connector
Terminal
Connector Terminal
F9
3
F11
68
Existed
Battery current sensor
ECM
Continuity
Connector
Terminal
Connector Terminal
F9
4
F11
58
Existed
ECM
Ground
Voltage
Connector
Terminal
F11
58
(Battery current sensor signal)
Ground Approx. 2.5V
JPBIA3287ZZ
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