Nissan Cube. Manual - part 932

STARTING SYSTEM

STR-11

< SYSTEM DESCRIPTION >

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CVT : Component Description (Without Intelligent Key)

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Component part

Description

Transmission range switch

Transmission range switch supplies power to the starter relay in-
side IPDM E/R when the selector lever is shifted to the P or N po-
sition.

IPDM E/R

CPU inside IPDM E/R controls the starter control relay.

Starter motor

The starter motor plunger closes and the motor is supplied with 
battery power, which in turn cranks the engine, when the “S” ter-
minal is supplied with electric power.

STR-12

< DTC/CIRCUIT DIAGNOSIS >

B TERMINAL CIRCUIT

DTC/CIRCUIT DIAGNOSIS

B TERMINAL CIRCUIT

Description

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The “B” terminal is constantly supplied with battery power.

Diagnosis Procedure

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CAUTION:

Perform diagnosis under the condition that engine cannot start by the following procedure.
1.

Remove fuel pump fuse.

2.

Crank or start the engine (where possible) until the fuel pressure is released.

1.

CHECK “B” TERMINAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Check that starter motor “B” terminal connection is clean and tight.

3.

Check voltage between starter motor “B” terminal and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Check harness between battery and starter motor for open circuit.

2.

CHECK BATTERY CABLE CONNECTION STATUS (VOLTAGE DROP TEST)

1.

Shift CVT selector lever to “P” or “N” position. (CVT models)
Keep depressing clutch pedal fully. (M/T models)

2.

Check voltage between battery positive terminal and starter motor “B” terminal.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Check harness between the battery and the starter motor for poor continuity.

3.

CHECK GROUND CIRCUIT STATUS (VOLTAGE DROP TEST)

1.

Shift CVT selector lever to “P” or “N” position. (CVT models)
Keep depressing clutch pedal fully. (M/T models)

2.

Check voltage between starter motor case and battery negative terminal.

Is the inspection result normal?

YES

>> “B” terminal circuit is OK. Further inspection is necessary. Refer to 

STR-2, "Work Flow (With GR8-

1200 NI)"

 or 

STR-5, "Work Flow (Without GR8-1200 NI)"

.

NO

>> Check the starter motor case and ground for poor continuity.

Terminals

Voltage (Approx.)

(+)

(–)

Starter motor “B” terminal

Terminal

F56

2 Ground

Battery 

voltage

Terminals

Condition

Voltage (Approx.)

(+)

(–)

Starter motor

“B” terminal

Terminal

Battery positive terminal

F56

2 

When the ignition switch is 

in START position

Less than

 0.5 V

Terminals

Condition

Voltage (Approx.)

(+)

(–)

Starter motor case

Battery negative terminal

When the ignition switch is in 

START position

Less than 0.2 V

S TERMINAL CIRCUIT

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< DTC/CIRCUIT DIAGNOSIS >

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S TERMINAL CIRCUIT

Description

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The starter motor magnetic switch is supplied with power when the ignition switch is turned to the START posi-
tion while the selector lever is in the P or N position for CVT models or the clutch pedal is depressed for M/T
models.

Diagnosis Procedure

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CAUTION:

Perform diagnosis under the condition that engine cannot start by the following procedure.
1.

Remove fuel pump fuse.

2.

Crank or start the engine (where possible) until the fuel pressure is released.

1.

CHECK “S” TERMINAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect starter motor connector.

3.

Shift CVT selector lever to “P” or “N” position. (CVT models)
Keep depressing clutch pedal fully. (M/T models)

4.

Check voltage between starter motor harness connector and ground.

Is the inspection result normal?

YES

>> “S” terminal circuit is OK. Further inspection is necessary. Refer to 

STR-2, "Work Flow (With GR8-

1200 NI)"

 or 

STR-5, "Work Flow (Without GR8-1200 NI)"

.

NO

>> GO TO 2.

2.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect IPDM E/R connector.

2.

Check continuity between starter motor harness connector and IPDM E/R harness connector.

Is the inspection result normal?

YES

>> Further inspection is necessary. Refer to 

STR-2, "Work Flow (With GR8-1200 NI)"

 or 

STR-5,

"Work Flow (Without GR8-1200 NI)"

.

NO

>> Repair the harness.

Terminals

Condition

Voltage (Approx.)

(+)

(–)

Starter motor har-

ness connector

Terminal

F10

1 Ground

When the ignition switch is in 

START position

Battery voltage

Starter motor harness connector

IPDM E/R harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

F10

1

E10

3

Existed

STR-14

< DTC/CIRCUIT DIAGNOSIS >

STARTING SYSTEM

STARTING SYSTEM

Wiring Diagram - STARTING SYSTEM (WITH INTELLIGENT KEY) -

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JRBWC5319GB