Nissan Note E12. Manual — part 609
STR-18
< BASIC INSPECTION >
DIAGNOSIS AND REPAIR WORKFLOW
YES
>> Inspection End.
NO
>> Replace starter motor. Refer to
STR-23, "Removal and Installation"
3.
CHECK THAT THE ENGINE TURNS WHEN CRANKING
Check that the engine turns when cranking.
Does engine turn when cranking?
YES
>> GO TO 4.
NO
>> GO TO 5.
4.
CHECK THE ENGINE SPEED WHEN CRANKING
Check that the engine speed is not low when cranking.
Does engine turn normally?
YES
>> Check ignition/fuel system.
NO
>> Check charge condition, corrosion and connection condition of the battery.
5.
CHECK STARTER MOTOR ACTIVATION
Check that the starter motor runs at cranking.
Does starter motor turn?
YES
>> Replace starter motor. Refer to
STR-23, "Removal and Installation"
NO
>> GO TO 6.
6.
CHECK POWER SUPPLY CIRCUIT
Check the following conditions:
• Fuse and fusible link
• Charge condition, corrosion and connection of the battery.
Are these inspection results normal?
YES
>> GO TO 7.
NO
>> Repair as needed.
7.
CHECK STARTING SYSTEM WIRING
Check the following:
• “B” terminal circuit. Refer to
.
• “S” terminal circuit. Refer to
.
Are the inspection results normal?
YES
>> Replace starter motor. Refer to
STR-23, "Removal and Installation"
NO
>> Repair as needed.
B TERMINAL CIRCUIT
STR-19
< DTC/CIRCUIT DIAGNOSIS >
C
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STR
N
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DTC/CIRCUIT DIAGNOSIS
B TERMINAL CIRCUIT
Description
INFOID:0000000009446823
Terminal “B” is constantly supplied with battery power.
Diagnosis Procedure
INFOID:0000000009446824
Regarding Wiring Diagram information, refer to
.
CAUTION:
Perform diagnosis under the condition that the 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 selector lever to ”P” (Park) or ”N” (Neutral) position.
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 starter motor for continuity.
3.
CHECK GROUND CIRCUIT STATUS (VOLTAGE DROP TEST)
1. Shift selector lever to ”P” (Park) or ”N” (Neutral) position.
2. Check voltage between starter motor case and battery negative terminal.
Is the inspection result normal?
Terminals
Voltage
(Approx.)
(+)
(-)
Starter motor “B” terminal
Terminal
F27
B
Ground
Battery voltage
Terminals
Condition
Voltage
(Approx.)
(+)
(-)
Starter motor
“B“ terminal
Terminal
Battery positive terminal
F27
B
When the ignition switch is in START position
Less than 0.5V
Terminals
Condition
Voltage
(Approx.)
(+)
(-)
Starter motor case
Battery negative terminal
When the ignition switch is in
START position
Less than 0.2V
STR-20
< DTC/CIRCUIT DIAGNOSIS >
B TERMINAL CIRCUIT
YES
>> “B” terminal circuit is OK. Further inspection is necessary. Refer to
STR-16, "Work Flow (Without GR8-1200 NI)"
.
NO
>> Check the starter motor case to engine mounting for high resistance.
S CONNECTOR CIRCUIT
STR-21
< DTC/CIRCUIT DIAGNOSIS >
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STR
N
P
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S CONNECTOR CIRCUIT
Description
INFOID:0000000009446825
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 (Park) or N (Neutral) position.
Diagnosis Procedure
INFOID:0000000009446826
Regarding Wiring Diagram information, refer to
.
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” CONNECTOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect starter motor connector.
3. Shift selector lever to “P” (Park) or “N” (Neutral) position.
4. Check voltage between starter motor harness connector and ground.
Is the inspection result normal?
YES
>> “S” circuit is OK. Further inspection is necessary. Refer to
STR-13, "Work Flow (With GR8-1200
STR-16, "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 the IPDM E/R harness connector.
3. Check continuity between starter motor terminal S and ground.
Is the inspection result normal?
YES
>> Further inspection is necessary. Refer to
STR-13, "Work Flow (With GR8-1200 NI)"
"Work Flow (Without GR8-1200 NI)"
.
NO
>> Repair or replace the harness or connectors.
(+)
(-)
Condition
Voltage
(Approx.)
Connector Terminal
F28
S
Ground
When the ignition switch is in START position
Battery voltage
Starter motor harness connector
IPDM E/R harness connector
Continuity
Connector
Terminal
Connector
Terminal
F28
S
E43
6
Yes
Connector Terminal
—
Continuity
F28
S
Ground
No
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