display NISSAN TEANA 2014 Service Manual
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C1601 BATTERY POWER SUPPLYSTC-23
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C1601 BATTERY POWER SUPPLY
DTC LogicINFOID:0000000009460358
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 EPS self-diagnosis.
Is DTC
“C1601” detected?
YES >> Proceed to diagnosis procedure. Refer to STC-23, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis ProcedureINFOID:0000000009460359
Regarding Wiring Diagram information, refer to STC-14, "Wiring Diagram".
1.CHECK POWER STEERING CONTROL MODULE GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect power steering control module harness connector.
3. Check continuity between power steering control module harness connector terminal and ground.
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, and repair or
replace the malfunctioning component.
2.CHECK POWER STEERING CONTROL MO DULE POWER SUPPLY CIRCUIT (1)
1. Check voltage between power steering control module harness connector terminals and ground.
2. Turn ignition switch ON. CAUTION:
Never start the engine.
3. Check voltage between power steering control module harness connector terminals and ground.
DTC Display item Malfunction detected condition Possible cause
C1601 BATTERY VOLT When a power supply voltage to the power steer-
ing control module is maintained at 18.5 V or more
or at less than 8.5 V continuously for 0.5 seconds
or more. • Harness or connector
• Power steering control mod-
ule
•Fuse
• Battery power supply circuit
•Battery
Power steering control module
—Continuity
Connector Terminal
E60 2 Ground Yes
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STC-26
< DTC/CIRCUIT DIAGNOSIS >
C1602 NO TUNING SET
C1602 NO TUNING SET
DTC LogicINFOID:0000000009460360
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 “EPS” self-diagnosis.
Is DTC
“C1602” detected?
YES >> Proceed to diagnosis procedure. Refer to STC-26, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis ProcedureINFOID:0000000009460361
1.PERFORM SELF-DIAGNOSIS
With CONSULT
1. Turn the ignition switch OFF to ON.
2. Erase self-diagnostic results for “EPS”.
3. Turn the ignition switch OFF and wait for at least 10 seconds.
4. Perform self-diagnosis for “EPS”.
Is DTC
“C1602” detected?
YES >> Power steering motor is malfunctioning. Replace power steering oil pump assembly. Refer to ST-
38, "Removal and Installation".
NO >> Check pin terminal and connection of each harness connector for malfunctioning conditions.
DTC Display item Malfunction detected condition Possible cause
C1602 NO TUNING SET Configration is not finished. • Harness or connector
• Power steering control mod-
ule
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C1606 EPS MOTORSTC-27
< DTC/CIRCUIT DIAGNOSIS >
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C1606 EPS MOTOR
DTC LogicINFOID:0000000009460362
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 “EPS” self-diagnosis.
Is DTC
“C1606” detected?
YES >> Proceed to diagnosis procedure. Refer to STC-27, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis ProcedureINFOID:0000000009460363
1.PERFORM SELF-DIAGNOSIS
With CONSULT
1. Turn the ignition switch OFF to ON.
2. Erase self-diagnostic results for “EPS”.
3. Turn the ignition switch OFF and wait for at least 10 seconds.
4. Perform self-diagnosis for “EPS”.
Is DTC
“C1606” detected?
YES >> Power steering motor is malfunctioning. Replace power steering oil pump assembly. Refer to ST-
38, "Removal and Installation".
NO >> Check pin terminal and connection of each harness connector for malfunctioning conditions.
DTC Display item Malfunction detected condition Possible cause
C1606 EPS MOTOR When the motor driver malfunction of power steer-
ing control module or power steering control mod-
ule motor driver malfunction is detected. • Harness or connector
• Power steering control motor
• Power steering control mod- ule
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STC-28
< DTC/CIRCUIT DIAGNOSIS >
C1607, C1608 POWER STEERING CONTROL MODULE
C1607, C1608 POWER STEERING CONTROL MODULE
DTC LogicINFOID:0000000009460364
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 “EPS” self-diagnosis.
Is DTC
“C1607” or “C1608” detected?
YES >> Proceed to diagnosis procedure. Refer to STC-28, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis ProcedureINFOID:0000000009460365
1.PERFORM SELF-DIAGNOSIS
With CONSULT
1. Turn the ignition switch OFF to ON.
2. Erase self-diagnostic results for “EPS”.
3. Turn the ignition switch OFF and wait for at least 10 seconds.
4. Perform self-diagnosis for “EPS”.
Is DTC
“C1607” or “C1608” detected?
YES >> Power steering control module is malfunctioni ng. Replace power steering oil pump assembly.
Refer to ST-38, "Removal and Installation"
.
NO >> Check pin terminal and connection of each harness connector for malfunctioning conditions.
DTC Display item Malfunction detected condition Possible cause
C1607 EEPROM When the memo
ry (EEPROM) system malfunction is
detected in power steering control module. Power steering control module
C1608 CONTROL UNIT When the internal malfunction is detected in power
steering control module.
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C160A HEAT PROTECTIONSTC-29
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C160A HEAT PROTECTION
DTC LogicINFOID:0000000009460366
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 “EPS” self-diagnosis.
Is DTC
“C160A” detected?
YES >> Go to STC-19, "Work Flow".
NO >> Inspection End.
DTC Display item Malfunction detected condition Possible cause
C160A HEAT PROTECTION When the steering wheel is operated excessively
and the interior temperature of the power steering
system reaches 118 °C (244.4 °F) or more. (Protec-
tion function)
NOTE:
Although the hydraulic pump electric power steering
system warning lamp turns ON, this is not a system
malfunction. The state returns to normal after stop-
ping steering operation and waiting until the system
interior temperature drops to 90 °C (194 °F) or less. The protection of the hydraulic
pump electric power steering sys-
tem
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STC-30
< DTC/CIRCUIT DIAGNOSIS >
U1000 CAN COMM CIRCUIT
U1000 CAN COMM CIRCUIT
DescriptionINFOID:0000000009460367
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication s peed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CA N communication, control units are connected with 2
communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with less wiring.
Each control unit communicate data but selectively reads required data only.
DTC LogicINFOID:0000000009460368
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 “EPS” self-diagnosis.
Is DTC
“U1000” detected?
YES >> Go to STC-30, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis ProcedureINFOID:0000000009460369
Proceed to LAN-32, "CAN COMMUNICATION SYSTEM : CAN Communication Signal Chart".
DTC Display item Malfunction detected condition Possible cause
U1000 CAN COMM CIRCUIT Power steering control module is not transmitting/re-
ceiving CAN communication signal for 2 seconds or
more. CAN communication error
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STC-34
< SYMPTOM DIAGNOSIS >
STEERING WHEEL TURNING FORCE IS HEAVY OR LIGHT
STEERING WHEEL TURNING FORCE IS HEAVY OR LIGHT
Diagnosis ProcedureINFOID:0000000009460376
1.PERFORM SELF-DIAGNOSIS
With CONSULT
Perform “EPS” self-diagnosis.
Is a malfunctioning system displayed?
YES >> Check malfunctioning system. Refer to STC-13, "DTC Index".
NO >> GO TO 2.
2.CHECK THE POWER STEERING CONTROL MODULE SIGNAL (1)
With CONSULT
1. Start the engine. CAUTION:
Never drive the vehicle.
2. Turn the steering wheel until it stops.
3. Select “MTR ASSIST” in “DATA MONITOR” of “EPS”.
Is the display value
“100%”?
YES >> GO TO 4.
NO >> GO TO 3.
3.CHECK THE POWER STEERING CONTROL MODULE SIGNAL (2)
With CONSULT
1. Select “C/U TEMP” and “C/U TEMP A” in “DATA MONITOR” of “EPS”.
2. Stop the system until the DATA MONITOR display value drops to “90 °C (194 °F)” or less.
3. Check whether symptom continues.
Did symptom continue?
YES >> GO TO 4.
NO >> This occurs because the protection function lowers the assist force. It is not a system malfunction.
Inspection End.
4.CHECK THE POWER STEERING CONTROL MODULE SIGNAL (3)
With CONSULT
1. Turn the steering wheel to the straight -ahead position. (There is no steering force)
2. Select “BATTERY VOLT” in “DATA MONITOR” of “EPS”.
Is the display value
“10.5 V” or more?
YES >> GO TO 5.
NO >> Check the battery power system. Refer to STC-23, "Diagnosis Procedure"
.
5.CHECK THE POWER STEERING CONTROL MODULE SIGNAL (4)
With CONSULT
Select “ESTM VHCL SPD” in “DATA MONITOR” of “EPS”.
*: This may not agree with the speedometer indication imm ediately after the ignition switch is turned ON. This
is not a malfunction.
Is the check result normal?
YES >> GO TO 6.
NO >> Check the combination meter, ABS actuator and electric unit (control unit). Refer to MWI-18,
"CONSULT Function (METER/M&A)" and BRC-33, "CONSULT Function (ABS)".
Monitor item Test condition Display value
ESTM VHCL SPD When stopped 0.00 km/h or mph
While driving Approximately equal to the in-
dication on speedometer
*
(Inside of ±10%)
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STEERING WHEEL TURNING FORCE IS HEAVY OR LIGHTSTC-35
< SYMPTOM DIAGNOSIS >
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6.CHECK THE POWER STEERING CONTROL MODULE SIGNAL (5)
With CONSULT
Select “STR ANG SPD” in “DATA MONITOR” of “EPS”.
Is the check result normal?
YES >> GO TO 7.
NO >> Check the steering angle sensor. Refer to STC-22, "Diagnosis Procedure"
.
7.CHECK THE POWER STEERING CONTROL MODULE SIGNAL (6)
With CONSULT
Select “ENGINE STATUS” in “DATA MONITOR” of “EPS”.
Is the display value
“RUN”?
YES >> GO TO 8.
NO >> Check the ECM. Refer to EC-77, "CONSULT Function"
.
8.CHECK THE STEERING FORCE
Check the steering force. Refer to STC-36, "Diagnosis Procedure"
.
Is the check result normal?
YES >> Inspection End.
NO >> It is possible that there is a mechani cal malfunction. Check the steering system.
Monitor item Test condition Display value
STR ANG SPD The steering wheel is not
steered. Approx. 0.0 deg/s
The steering wheel is steered. Displays steering angle speed
(deg/s)
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UNBALANCE STEERING WHEEL TURNING FORCE (TORQUE VARIATION)
STC-37
< SYMPTOM DIAGNOSIS >
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UNBALANCE STEERING WHEEL TU RNING FORCE (TORQUE VARIA-
TION)
Diagnosis ProcedureINFOID:0000000009460378
1.PERFORM SELF-DIAGNOSIS
With CONSULT
Perform “EPS” self-diagnosis.
Is a malfunctioning system displayed?
YES >> Check malfunctioning system. Refer to STC-13, "DTC Index".
NO >> GO TO 2.
2.CHECK THE POWER STEERING CONTROL MODULE SIGNAL (1)
With CONSULT
1. Start the engine. CAUTION:
Never drive the vehicle.
2. Turn the steering wheel until it stops.
3. Select “MTR ASSIST” in “DATA MONITOR” of “EPS”.
Is the display value
“100%”?
YES >> GO TO 4.
NO >> GO TO 3.
3.CHECK THE POWER STEERING CONTROL MODULE SIGNAL (2)
With CONSULT
1. Select “C/U TEMP” and “C/U TEMP A” in “DATA MONITOR” of “EPS”.
2. Stop the system until the DATA MONITOR display value drops to “90 °C (194 °F)” or less.
3. Check whether symptom continues.
Did symptom continue?
YES >> GO TO 4.
NO >> This occurs because the protection function lowers the assist force. It is not a system malfunction.
Inspection End.
4.CHECK THE POWER STEERING CONTROL MODULE SIGNAL (3)
With CONSULT
1. Turn the steering wheel to the straight -ahead position. (There is no steering force.)
2. Select “BATTERY VOLT” in “DATA MONITOR” of “EPS”.
Is the display value
“10.5 V” or more?
YES >> GO TO 5.
NO >> Check the battery power system. Refer to STC-23, "Diagnosis Procedure"
.
5.CHECK THE POWER STEERING CONTROL MODULE SIGNAL (4)
With CONSULT
Select in “ESTM VHCL SPD” in “DATA MONITOR” of “EPS”.
*: This may not agree with the speedometer indication immediately after the ignition switch is turned ON. This
is not a malfunction.
Is the check result normal?
YES >> GO TO 6.
Monitor item Test condition Display value
ESTM VHCL SPD When stopped 0.00 km/h or mph
While driving Approximately equal to the in-
dication on speedometer
*
(Inside of ±10%)
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STC-38
< SYMPTOM DIAGNOSIS >
UNBALANCE STEERING WHEEL TURNING FORCE (TORQUE VARIATION)
NO >> Check the combination meter, ABS actuator and electric unit (control unit). Refer to MWI-18,
"CONSULT Function (METER/M&A)" and BRC-33, "CONSULT Function (ABS)".
6.CHECK THE POWER STEERING CONTROL MODULE SIGNAL (5)
With CONSULT
Select “STR ANG SPD” in “DATA MONITOR” of “EPS”.
Is the check result normal?
YES >> GO TO 7.
NO >> Check the steering angle sensor. Refer to STC-22, "Diagnosis Procedure"
.
7.CHECK THE POWER STEERING CONTROL MODULE SIGNAL (6)
With CONSULT
Select “ENGINE STATUS” in “DATA MONITOR” of “EPS”.
Is the display value
“RUN”?
YES >> GO TO 8.
NO >> Check the ECM. Refer to EC-77, "CONSULT Function"
.
8.CHECK STEERING COLUMN AND STEERING GEAR
Check the steering column assembly and steering gear assembly.
• Steering column assembly. Refer to ST-46, "Steering Column"
.
• Steering gear assembly. Refer to ST-47, "Power Steering Gear"
.
Is the inspection result normal?
YES >> GO TO 9.
NO >> Repair or replace malfunctioning component.
9.CHECK STEERING WHEEL TURNING FORCE
Check the steering wheel turning force. Refer to STC-34, "Diagnosis Procedure"
.
Is the inspection result normal?
YES >> Inspection End.
NO >> Check the steering wheel turning force for mechanical malfunction. Refer to STC-34, "Diagnosis
Procedure".
Monitor item Test condition Display value
STR ANG SPD The steering wheel is not turn-
ing. Approx. 0.0 deg/s
The steering wheel is being
turned. Displays steering angle speed
(deg/s)
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