Nissan Note E12. Instruction — part 121
DEF-14
< BASIC INSPECTION >
DIAGNOSIS AND REPAIR WORK FLOW
1.
GET INFORMATION FOR SYMPTOM
Get the detailed information from the customer about the symptom (the condition and the environment when
the incident/malfunction occurred).
>> GO TO 2
2.
CHECK DTC
1. Check DTC.
2. Perform the following procedure if DTC is displayed.
-
Record DTC and freeze frame data (Print them out with CONSULT.)
-
Erase DTC.
-
Study the relationship between the cause detected by DTC and the symptom described by the customer.
3. Check related service bulletins for information.
Is any symptom described and any DTC detected?
Symptom is described, DTC is displayed>>GO TO 3
Symptom is described, DTC is not displayed>>GO TO 4
Symptom is not described, DTC is displayed>>GO TO 5
3.
CONFIRM THE SYMPTOM
Confirm the symptom described by the customer.
Connect CONSULT to the vehicle in “DATA MONITOR” mode and check real time diagnosis results.
Verify relation between the symptom and the condition when the symptom is detected.
>> GO TO 5
4.
CONFIRM THE SYMPTOM
Confirm the symptom described by the customer.
Connect CONSULT to the vehicle in “DATA MONITOR” mode and check real time diagnosis results.
Verify relation between the symptom and the condition when the symptom is detected.
>> GO TO 6
5.
PERFORM DTC CONFIRMATION PROCEDURE
Perform DTC Confirmation Procedure for the displayed DTC, and then check that DTC is detected again.
At this time, always connect CONSULT to the vehicle, and check diagnostic results in real time.
If two or more DTCs are detected, refer to
BCS-46, "DTC Inspection Priority Chart"
diagnosis order.
NOTE:
• Freeze frame data is useful if the DTC is not detected.
• Perform Component Function Check if DTC Confirmation Procedure is not included in Instruction. This
simplified check procedure is an effective alternative though DTC cannot be detected during this check.
If the result of Component Function Check is NG, it is the same as the detection of DTC by DTC Confirma-
tion Procedure.
Is DTC detected?
YES
>> GO TO 8
NO
>> Refer to
GI-41, "Intermittent Incident"
.
6.
PERFORM BASIC INSPECTION
Perform
.
>> GO TO 7
7.
DETECT MALFUNCTIONING SYSTEM BY SYMPTOM TABLE
Detect malfunctioning system according to
based on the confirmed symptom in
step 4, and determine the trouble diagnosis order based on possible causes and symptom.
>> GO TO 8
DIAGNOSIS AND REPAIR WORK FLOW
DEF-15
< BASIC INSPECTION >
C
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DEF
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8.
DETECT MALFUNCTIONING PART BY DIAGNOSTIC PROCEDURE
Inspect according to Diagnostic Procedure of the system.
NOTE:
The Diagnostic Procedure described based on open circuit inspection. A short circuit inspection is also
required for the circuit check in the Diagnostic Procedure.
Is malfunctioning part detected?
YES
>> GO TO 9
NO
>> Check voltage of related BCM terminals using CONSULT.
9.
REPAIR OR REPLACE THE MALFUNCTIONING PART
1. Repair or replace the malfunctioning part.
2. Reconnect parts or connectors disconnected during Diagnostic Procedure again after repair and replace-
ment.
3. Check DTC. If DTC is displayed, erase it.
>> GO TO 10
10.
FINAL CHECK
When DTC was detected in step 2, perform DTC Confirmation Procedure or Component Function Check
again, and then check that the malfunction have been repaired securely.
When symptom was described from the customer, refer to confirmed symptom in step 3 or 4, and check that
the symptom is not detected.
Does the symptom reappear?
YES (DTC is detected)>>GO TO 8
YES (Symptom remains)>>GO TO 6
NO
>> Inspection End.
DEF-16
< DTC/CIRCUIT DIAGNOSIS >
REAR WINDOW DEFOGGER SWITCH
DTC/CIRCUIT DIAGNOSIS
REAR WINDOW DEFOGGER SWITCH
Description
INFOID:0000000009477896
• The rear window defogger is operated by pressing the rear window defogger switch ON.
• The indicator lamp in the rear window defogger switch illuminates while the rear window defogger is ON.
Component Function Check
INFOID:0000000009477897
1.
CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION
1. Turn ignition switch ON.
2. Check that the indicator lamp of rear window defogger illuminates with rear window defogger switch ON.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Refer to
.
2.
CHECK REAR DEFOGGER ON STATUS
1. Using CONSULT, select “BCM (REAR DEFOGGER)”, then “DATA MONITOR” mode.
2. Select “REAR DEF SW” and monitor while pressing the rear DEF switch ON and OFF.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000009477898
Regarding Wiring Diagram information, refer to
.
1.
CHECK BCM OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect front air control connector.
3. Check voltage between front air control harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK REAR WINDOW DEFOGGER SWITCH CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector and front air control harness connector.
Monitored Item
Condition
Status
REAR DEF SW
Rear DEF switch ON (LED ON)
On
Rear DEF switch OFF (LED OFF)
Off
(+)
(–)
Voltage (V)
(Approx.)
Front air control
Connector
Terminal
M33
10
Ground
Battery voltage
BCM
Front air control
Continuity
Connector
Terminal
Connector
Terminal
M18
15
M33
10
Yes
REAR WINDOW DEFOGGER SWITCH
DEF-17
< DTC/CIRCUIT DIAGNOSIS >
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3. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-67, "Removal and Installation"
NO
>> Repair or replace harness.
3.
CHECK GROUND CIRCUIT
Check continuity between front air control harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK REAR WINDOW DEFOGGER SWITCH
DEF-17, "Component Inspection"
.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> Replace front air control. Refer to
HAC-47, "Removal and Installation"
.
Component Inspection
INFOID:0000000009477899
1.
CHECK REAR WINDOW DEFOGGER SWITCH
1. Turn ignition switch OFF.
2. Disconnect front air control connector.
3. Check continuity between front air control terminals.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace front air control. Refer to
HAC-47, "Removal and Installation"
BCM
Ground
Continuity
Connector
Terminal
M18
15
No
Front air control
Ground
Continuity
Connector
Terminal
M33
8
Yes
Front air control
Condition
Continuity
Terminal
10
8
Rear window defogger switch
Pressed
Yes
Released
No
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