Nissan Cube. Instruction — part 932
STARTING SYSTEM
STR-11
< SYSTEM DESCRIPTION >
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STR
N
P
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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
INFOID:0000000009945314
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
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
STR-13
< DTC/CIRCUIT DIAGNOSIS >
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STR
N
P
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S TERMINAL CIRCUIT
Description
INFOID:0000000009945316
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
INFOID:0000000009945317
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-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)"
"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) -
INFOID:0000000009945318
JRBWC5319GB
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