Nissan Qashqai J11. Manual — part 2135
AV
U1972 EPS
AV-229
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
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U1972 EPS
DTC Logic
INFOID:0000000010944760
DTC DETECTION LOGIC
POSSIBLE CAUSE
EPS control unit
FAIL-SAFE
Around view monitor with Park Assist
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
WITH CONSULT
1.
Perform “All DTC Reading” with CONSULT.
2.
Check if the “U1972” is detected as the current malfunction in “Self Diagnostic Result” of “AVM”.
“U1972” detected as the current malfunction?
YES
>> Refer to
.
NO-1
>> To check malfunction symptom before repair: Refer to
GI-41, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010944761
1.
CHECK SELF-DIAGNOSIS RESULTS
With CONSULT.
Check if the “U1000” is detected other than “U1972” in “Self Diagnostic Result” of “AVM”.
Is “U1000” detected?
YES
>> Perform the CAN communication system inspection. Repair or replace the malfunctioning parts.
AV-189, "AROUND VIEW MONITOR CONTROL UNIT : Diagnosis Procedure"
.
NO
>> GO TO 2.
2.
CHECK SELF-DIAGNOSIS RESULTS
With CONSULT.
Check if any DTC is detected in “Self Diagnostic Result” of “EPS/DAST3”.
Is any DTC detected?
YES
>> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
.
NO
>> Replace the around view monitor control unit. Refer to
AV-267, "Removal and Installation"
DTC
Trouble diagnosis
(Trouble diagnosis contents)
Detecting condition
U1972
EPS Message Counter
(Electronically controlled power
steering message counter)
Around view monitor control unit receives an incorrect signal from EPS control
unit via CAN communication
AV-230
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
AV CONTROL UNIT
AV CONTROL UNIT : Diagnosis Procedure
INFOID:0000000010435728
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSE
Check that the following fuses are not blown.
Are the fuses blown?
YES
>> Replace the blown fuse after repairing the affected circuit.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect AV control unit connectors M48 and M49.
3.
Check voltage between AV control unit connectors M48 and M49 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connectors.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between AV control unit connector M49 and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness or connectors.
AROUND VIEW MONITOR CONTROL UNIT
AROUND VIEW MONITOR CONTROL UNIT : Diagnosis Procedure
INFOID:0000000010435729
Regarding Wiring Diagram information, refer to
.
WITHOUT DRIVER ASSISTANCE SYSTEM
1.
CHECK FUSE
Check that the following fuses are not blown.
Terminal No.
Signal name
Fuse No.
19
Battery power supply
19 (20A)
40
Ignition power supply
4 (10A)
AV control unit
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
M48
19
—
Ignition switch: OFF
Battery voltage
M49
40
Ignition switch: ON
AV control unit
Ground
Continuity
Connector
Terminal
M49
20
—
Yes
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-231
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
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Are the fuses blown?
YES
>> Replace the blown fuse after repairing the affected circuit.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect around view monitor control unit connector M95.
3.
Check voltage between around view monitor control unit connector M95 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connectors.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between around view monitor control unit connector M95 and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness or connectors.
WITH DRIVER ASSISTANCE SYSTEM
1.
CHECK FUSE
Check that the following fuses are not blown.
Are the fuses blown?
YES
>> Replace the blown fuse after repairing the affected circuit.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect around view monitor control unit connector M7.
3.
Check voltage between around view monitor control unit connector M7 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness or connectors.
3.
CHECK GROUND CIRCUIT
Terminal No.
Signal name
Fuse No.
2
Battery power supply
19 (20A)
Around view monitor control unit
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
M95
2
—
Ignition switch: OFF
Battery voltage
Around view monitor control unit
Ground
Continuity
Connector
Terminal
M95
1
—
Yes
Terminal No.
Signal name
Fuse No.
2
Battery power supply
19 (20A)
Around view monitor control unit
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
M7
2
—
Ignition switch: OFF
Battery voltage
AV-232
< DTC/CIRCUIT DIAGNOSIS >
[NAVIGATION]
POWER SUPPLY AND GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between around view monitor control unit connector M7 and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness or connectors.
Around view monitor control unit
Ground
Continuity
Connector
Terminal
M7
1
—
Yes
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