Nissan Qashqai J11. Manual — part 991
STC-24
< BASIC INSPECTION >
DIAGNOSIS AND REPAIR WORK FLOW
Other conditions
Memo
Interview sheet
Customer
name
MR/MS
Registration
number
Initial year
registration
Vehicle type
VIN
Storage date
Engine
Mileage
km (Mile)
C1601 BATTERY POWER SUPPLY
STC-25
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
H
I
J
K
L
M
A
B
STC
N
O
P
DTC/CIRCUIT DIAGNOSIS
C1601 BATTERY POWER SUPPLY
DTC Logic
INFOID:0000000010452114
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/DAST 3” self-diagnosis.
Is DTC “C1601” detected?
YES
>> Proceed to diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010452115
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.
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.
2.
Turn ignition switch ON.
CAUTION:
Never start the engine.
3.
Check voltage between EPS control unit harness connector 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 16 V or more or at less than 9 V con-
tinuously for 0.5 second or more.
• Harness or connector
• EPS control unit (steering
column assembly)
• Fuse
• Power supply system
• Battery
EPS control unit
—
Continuity
Connector
Terminal
M34
10
Ground
Existed
EPS control unit
—
Voltage
Connector
Terminal
M33
4
Ground
Approx. 0 V
STC-26
< DTC/CIRCUIT DIAGNOSIS >
C1601 BATTERY POWER SUPPLY
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 (#4).
3.
Check continuity between EPS control unit harness connector terminal and fuse block (J/B) harness con-
nector terminal.
Is the inspection result normal?
YES
>> Perform the trouble diagnosis for ignition power supply circuit. Refer to
.
NO
>> Repair or replace error-detected parts.
4.
CHECK EPS CONTROL UNIT POWER SUPPLY CIRCUIT (3)
1.
Check voltage between EPS control unit harness connector terminals and ground.
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 6.
NO
>> GO TO 5.
5.
CHECK EPS CONTROL UNIT POWER SUPPLY CIRCUIT (4)
1.
Turn ignition switch OFF.
2.
Check the 50A fusible link (#F).
3.
Check the 50A fusible link (#H).
4.
Check the harness for open or short between EPS control unit harness connector No.9 terminal and the
50A fusible link (#F).
5.
Check the harness for open or short between EPS control unit harness connector No.9 terminal and the
50A fusible link (#H).
Is the inspection result normal?
YES
>> Perform the trouble diagnosis for power supply circuit. Refer to
NO
>> Repair or replace error-detected parts.
6.
CHECK CONNECTOR
EPS control unit
—
Voltage
Connector
Terminal
M33
4
Ground
10.5 – 16 V
EPS control unit
Fuse block (J/B)
Continuity
Connector
Terminal
Connector
Terminal
M33
4
M76
7B
Existed
EPS control unit
—
Voltage
Connector
Terminal
E34
9
Ground
10.5 – 16 V
EPS control unit
—
Voltage
Connector
Terminal
E34
9
Ground
10.5 – 16 V
C1601 BATTERY POWER SUPPLY
STC-27
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
H
I
J
K
L
M
A
B
STC
N
O
P
Check the EPS control unit pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?
YES
>> Replace steering column assembly. Refer to
STC-46, "Removal and Installation"
.
NO
>> Repair or replace error-detected parts.
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст