Nissan Juke F15. Manual — part 1200
STR-20
< BASIC INSPECTION >
DIAGNOSIS AND REPAIR WORK FLOW
Perform the starting system test with Multitasking battery and electrical diagnostic station GR8-1200 NI. For
details and operating instructions, refer to diagnostic station Instruction Manual.
Test result
CRANKING NORMAL>>GO TO 2.
LOW VOLTAGE>>GO TO 5.
CHARGE BATTERY>>Perform the slow battery charging procedure. (Initial rate of charge is 10A for 12
hours.) Perform battery test again. Refer to diagnostic station instruction manual.
REPLACE BATTERY>>Before replacing battery, clean the battery cable clamps and battery posts. Perform
battery test again. Refer to diagnostic station instruction manual. If second test result is
“REPLACE BATTERY”, then do so. Perform battery test again to confirm repair.
2.
CRANKING CHECK
Check that the starter motor operates correctly.
Does the engine crank normally?
YES
>> GO TO 3.
NO
>> GO TO 4.
3.
ENGINE START CHECK
Check that the engine starts.
Does the engine start?
YES
>> Starter motor is OK. INSPECTION END
NO
>> Perform further diagnosis of engine mechanical or engine control system. Refer EM and EC sec-
tions. Once resolved, perform battery test again.
4.
STARTER MOTOR ACTIVATION
Check that the starter motor operates.
Does the starter motor turn?
YES
>> Check ring gear and starter motor drive pinion. Once resolved, perform battery test again.
NO
>> GO TO 7.
5.
COMPARISON BETWEEN ENGINE COOLANT AND CRANKING VOLTAGE
Compare the engine coolant temperature and the cranking voltage with the specifications.
Minimum Specification of Cranking Voltage Referencing Coolant Temperature
Is the voltage less than the specified value?
YES
>> GO TO 7.
NO
>> GO TO 6.
6.
STARTER OPERATION
Check the starter operation status.
Does the starter motor turn smoothly?
YES
>> Starter motor is OK. INSPECTION END
NO
>> GO TO 7.
7.
“B” TERMINAL CIRCUIT INSPECTION
Check “B” terminal circuit. Refer to
.
Is “B” terminal circuit normal?
YES
>> GO TO 8.
NO
>> Repair as needed.
8.
“S” TERMINAL CIRCUIT INSPECTION
Check “S” terminal circuit. Refer to
.
Engine coolant temperature [
°C (°F)]
Voltage [V]
−30 to −20 (−22 to −4)
8.6
−19 to −10 (−2 to 14)
9.1
−9 to 0 (16 to 32)
9.5
More than 1 (More than 34)
9.9
DIAGNOSIS AND REPAIR WORK FLOW
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< BASIC INSPECTION >
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Is “S” terminal circuit normal?
YES
>> GO TO 9.
NO
>> Repair as needed.
9.
ENGINE ROTATION STATUS
Check that the engine can be rotated by hand.
Does the engine turn freely by hand?
YES
>> Replace starter motor. Refer to
STR-28, "MR16DDT : Removal and Installation"
NO
>> Perform further diagnosis of engine mechanical or powertrain mechanism. Once resolved, per-
form battery test again using Multitasking battery and electrical diagnostic station GR8-1200 NI.
Refer to the diagnostic station Instruction Manual for proper testing procedures.
Work Flow (Without GR8-1200 NI)
INFOID:0000000012201583
OVERALL SEQUENCE
DETAILED FLOW
NOTE:
If any malfunction is found, immediately disconnect the battery cable from the negative terminal.
1.
CHECK ENGINE START
Crank the engine and check that the engine starts.
Does the engine start?
YES
>> GO TO 2.
JMBIA4454GB
STR-22
< BASIC INSPECTION >
DIAGNOSIS AND REPAIR WORK FLOW
NO
>> GO TO 3.
2.
CHECK THAT THE STARTER MOTOR STOPS
Check that the starter motor stops after starting the engine.
Does the starter motor stop?
YES
>> INSPECTION END
NO
>> Replace starter motor. Refer to
STR-28, "MR16DDT : 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. Refer to
5.
CHECK STARTER MOTOR ACTIVATION
Check that the starter motor runs at cranking.
Does starter motor turn?
YES
>> Replace starter motor. Refer to
STR-28, "MR16DDT : 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 condition of the battery. Refer to
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 these inspection results normal?
YES
>> Replace starter motor. Refer to
STR-28, "MR16DDT : Removal and Installation"
NO
>> Repair as needed.
B TERMINAL CIRCUIT
STR-23
< DTC/CIRCUIT DIAGNOSIS >
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DTC/CIRCUIT DIAGNOSIS
B TERMINAL CIRCUIT
Description
INFOID:0000000012201584
The “B” terminal is constantly supplied with battery power.
Diagnosis Procedure
INFOID:0000000012201585
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 FUSIBLE LINK
Check that the following fusible link is not blown.
Is the fusible link blown?
YES
>> Replace the blown fusible link after repairing the affected circuit if a fusible link is blown.
NO
>> GO TO 2.
2.
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.
For NISMO RS models
Except for NISMO RS models
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check harness between battery and starter motor for open circuit.
3.
CHECK BATTERY CABLE CONNECTION STATUS (VOLTAGE DROP TEST)
1. Shift 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.
For NISMO RS models
Terminal No.
Signal name
Fusible link No.
2
Battery power supply
A (225 A)
Terminals
Voltage (Approx.)
(+)
(–)
Starter motor “B” terminal
Terminal
E59
2 Ground
Battery
voltage
Terminals
Voltage (Approx.)
(+)
(–)
Starter motor “B” terminal
Terminal
F11
2 Ground
Battery
voltage
Terminals
Condition
Voltage (Approx.)
(+)
(–)
Starter motor
“B” terminal
Terminal
Battery positive terminal
E59
2
When the ignition switch
is in START position
Less than
0.5 V
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