Nissan Pathfinder. Manual - part 517

EC-374

< DTC/CIRCUIT DIAGNOSIS >

[VQ35DE]

P1556, P1557 BATTERY TEMPERATURE SENSOR

P1556, P1557 BATTERY TEMPERATURE SENSOR

DTC Logic

INFOID:0000000009178292

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 

EC-375, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009178293

1.

CHECK BATTERY TEMPERATURE SENSOR INPUT SIGNAL

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

>> GO TO 2.

2.

CHECK BATTERY TEMPERATURE SENSOR INPUT SIGNAL CIRCUIT

1. Turn ignition switch ON.

2. Disconnect ECM harness connector.

DTC No.

CONSULT screen terms

(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) cir-
cuit is open or shorted.]
(Accelerator pedal position sensor 2 cir-
cuit is shorted.)
(Throttle position sensor circuit is short-
ed.)

• Battery current sensor (Battery temper-

ature 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

F34

2

Ground

Approx. 5

P1556, P1557 BATTERY TEMPERATURE SENSOR

EC-375

< DTC/CIRCUIT DIAGNOSIS >

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3. Check the continuity between battery current sensor harness connector and ECM harness connector.

Is the inspection result normal?

YES

>> Perform the trouble diagnosis for power supply circuit.

NO

>> Repair or replace error-detected parts.

3.

CHECK BATTERY TEMPERATURE SENSOR GROUND CIRCUIT

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 4.

NO

>> Repair open circuit, short to ground or short to power in harness or connectors.

4.

CHECK BATTERY TEMPERATURE SENSOR

Check battery temperature sensor. Refer to 

EC-376, "Component Inspection (Battery Temperature Sensor)"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-49, "Intermittent Incident"

.

NO

>> Replace battery negative cable assembly.

Component Inspection (Battery Temperature Sensor)

INFOID:0000000009178294

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

ECM

Continuity

Connector

Terminal

Connector

Terminal

F34

2

F52

67

Existed

Battery current sensor

ECM

Continuity

Connector

Terminal

Connector

Terminal

F34

3

F52

68

Existed

Battery current sensor

Resistance

+

−

Terminal

2

3

continuity with the resis-
tance value 100 

Ω or more

EC-376

< DTC/CIRCUIT DIAGNOSIS >

[VQ35DE]

P1564 ASCD STEERING SWITCH

P1564 ASCD STEERING SWITCH

DTC Logic

INFOID:0000000009178295

DTC DETECTION LOGIC

NOTE:

If DTC P1564 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605. Refer to

EC-351, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct-

ing the next test. 

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.

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON and wait at least 10 seconds.

2. Press MAIN switch for at least 10 seconds, then release it and wait at least 10 seconds.

3. Press CANCEL switch for at least 10 seconds, then release it and wait at least 10 seconds.

4. Press RESUME/ACCELERATE switch for at least 10 seconds, then release it and wait at least 10 sec-

onds.

5. Press SET/COAST switch for at least 10 seconds, then release it and wait at least 10 seconds.

6. Check DTC.
Is DTC detected?

YES

>> Proceed to 

EC-377, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009178296

1.

CHECK ASCD STEERING SWITCH CIRCUIT

 With CONSULT

1. Turn ignition switch ON.

2. Select “MAIN SW”, “CANCEL SW”, “RESUME/ACC SW” and “SET SW” in “DATA MONITOR” mode with

CONSULT.

3. Check each item indication under the following conditions.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P1564

ASCD SW
(ASCD steering switch)

• An excessively high voltage signal from the 

ASCD steering switch is sent to ECM.

• ECM detects that input signal from the 

ASCD steering switch is out of the specified 
range.

• ECM detects that the ASCD steering switch 

is stuck ON.

• Harness or connectors

(The switch circuit is open or shorted.)

• ASCD steering switch
• ECM

Monitor item

Condition

Indication

MAIN SW

ON/OFF (MAIN) 
switch

Pressed

ON

Released

OFF

CANCEL SW

CANCEL switch

Pressed

ON

Released

OFF

P1564 ASCD STEERING SWITCH

EC-377

< DTC/CIRCUIT DIAGNOSIS >

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 Without CONSULT

1. Turn ignition switch ON.

2. Check the voltage between ECM harness connector terminals under the following conditions.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-49, "Intermittent Incident"

.

NO

>> GO TO 2.

2.

CHECK ASCD STEERING SWITCH GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect ECM harness connector.

3. Disconnect combination switch harness connector M149.

4. Check the continuity between combination switch and ECM harness connector.

5. Also check harness for short to ground and short to power.
Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace error-detected parts.

3.

CHECK ASCD STEERING SWITCH INPUT SIGNAL CIRCUIT

1. Check the continuity between combination switch and ECM harness connector.

2. Also check harness for short to ground and short to power.
Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace error-detected parts.

4.

CHECK ASCD STEERING SWITCH

Check ASCD steering switch. Refer to 

EC-379, "Component Inspection"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-49, "Intermittent Incident"

.

NO

>> Replace ASCD steering switch. Refer to 

ST-44, "Removal and Installation"

.

RESUME/ACC SW

ACCEL/RES switch

Pressed

ON

Released

OFF

SET SW

COAST/SET switch

Pressed

ON

Released

OFF

ECM

Condition

Voltage (V)

Con-

nector

+

–

Terminal

Terminal

E16

101

108

ON/OFF (MAIN) switch: Pressed

Approx. 0

CANCEL switch: Pressed

Approx. 1

COAST/SET switch: Pressed

Approx. 2

ACCEL/RES switch: Pressed

Approx. 3

All ASCD steering switches: Released

Approx. 4

Monitor item

Condition

Indication

Combination switch

ECM

Continuity

Terminal

Connector

Terminal

16

E16

108

Existed

Combination switch

ECM

Continuity

Terminal

Connector

Terminal

13

E16

101

Existed