Nissan Rogue. Instruction — part 1147
STC-18
< WIRING DIAGRAM >
EPS SYSTEM
AAGIA0182GB
DIAGNOSIS AND REPAIR WORKFLOW
STC-19
< BASIC INSPECTION >
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BASIC INSPECTION
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
INFOID:0000000011279649
DETAILED FLOW
1.
COLLECT THE INFORMATION FROM THE CUSTOMER
Get the detailed information from the customer about the symptom (the condition and the environment when
the incident/malfunction occurred) using the diagnosis worksheet.
>> GO TO 2.
2.
PERFORM THE SELF-DIAGNOSIS
Check the DTC display with the “Self Diagnostic Result”. Refer to
.
Is there any DTC displayed?
YES
>> Record or print DTC and freeze frame data (FFD). GO TO 3.
NO
>> GO TO 4.
3.
PERFORM THE SYSTEM DIAGNOSIS
Perform the diagnosis applicable to the displayed DTC. Refer to
>> GO TO 6.
4.
CHECK THE WARNING LAMP FOR ILLUMINATION
Check that the warning lamp illuminate.
Is ON/OFF timing normal?
YES
>> GO TO 5.
NO
>> GO TO 2.
5.
PERFORM THE DIAGNOSIS BY SYMPTOM
Perform the diagnosis applicable to the symptom.
>> GO TO 6.
6.
REPAIR OR REPLACE THE MALFUNCTIONING PARTS
Repair or replace the specified malfunctioning parts.
>> GO TO 7.
7.
FINAL CHECK
Perform the “Self Diagnostic Result” again, and check that the malfunction is repaired completely. After check-
ing, erase the “Self Diagnostic Result”. Refer to
.
Is no other DTC present and the repair completed?
YES
>> Inspection End.
NO
>> GO TO 3.
STC-20
< DTC/CIRCUIT DIAGNOSIS >
C1601 BATTERY POWER SUPPLY
DTC/CIRCUIT DIAGNOSIS
C1601 BATTERY POWER SUPPLY
DTC Logic
INFOID:0000000011279650
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and
wait at least 10 seconds before conducting the next test.
>> GO TO 2.
2.
DTC REPRODUCTION PROCEDURE
With CONSULT
1. Turn the ignition switch OFF to ON.
2. Perform “Self Diagnostic Result” of “EPS”.
Is DTC “C1601” detected?
YES
>> Proceed to diagnosis procedure. Refer to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000011279651
Regarding Wiring Diagram information, refer to
.
1.
CHECK EPS CONTROL UNIT GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect EPS control unit harness connector.
3. Check continuity between EPS control unit harness connector terminal and ground.
4. Connect EPS control unit harness connector.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair open circuit or short to ground or short to power in harness or connectors.
2.
CHECK EPS CONTROL UNIT POWER SUPPLY CIRCUIT (1)
1. Check voltage between EPS control unit harness connector terminals and ground.
DTC
Display item
Malfunction detected condition
Possible cause
C1601
BATTERY VOLT
When a power supply voltage to the EPS control unit
is maintained at 18.2 V or more or at less than 9 V
continuously for five second or more.
• Harness or connector
• EPS control unit
• Fuse
• Power supply system
• Battery
EPS control unit
—
Continuity
Connector
Terminal
M48
10
Ground
Yes
C1601 BATTERY POWER SUPPLY
STC-21
< DTC/CIRCUIT DIAGNOSIS >
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2. Turn ignition switch ON.
CAUTION:
Never start the engine.
3. Check voltage between EPS control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 3.
3.
CHECK EPS CONTROL UNIT POWER SUPPLY CIRCUIT (2)
1. Turn ignition switch OFF.
2. Check the 10A fuse 30.
3. Check the harness for open or short between EPS control unit harness connector terminal 4 and the 10A
fuse 30.
Is the inspection result normal?
YES
>> Perform the trouble diagnosis for ignition power supply circuit. Refer to
NO
>> Repair or replace malfunctioning parts.
4.
CHECK EPS CONTROL UNIT POWER SUPPLY CIRCUIT (3)
1. Turn ignition switch OFF.
2. Check voltage between EPS control unit harness connector and ground.
3. Turn ignition switch ON.
CAUTION:
Never start the engine.
4. Check voltage between EPS control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 5.
5.
CHECK EPS CONTROL UNIT POWER SUPPLY CIRCUIT (4)
1. Turn ignition switch OFF.
2. Check the 50A fusible links G and I.
3. Check the harness for open or short between EPS control unit harness connector terminal 9 and the 50A
fusible links G and I.
Is the inspection result normal?
YES
>> Perform the trouble diagnosis for power supply circuit. Refer to
.
EPS control unit
—
Voltage
(Approx.)
Connector
Terminal
M49
4
Ground
0 V
EPS control unit
—
Voltage
(Approx.)
Connector
Terminal
M49
4
Ground
Battery voltage
EPS control unit
—
Voltage
(Approx.)
Connector
Terminal
M48
9
Ground
Battery voltage
EPS control unit
—
Voltage
(Approx.)
Connector
Terminal
M48
9
Ground
Battery voltage
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