Nissan March K13. Instruction — part 160
DIAGNOSIS AND REPAIR WORKFLOW
EC-101
< BASIC INSPECTION >
[HR12DE (TYPE 1)]
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YES
>> GO TO 7.
NO
>> GO TO 9.
7.
PERFORM “SPEC” IN DATA MONITOR MODE
With CONSULT-III
Make sure that “MAS A/F SE-B1”, “B/FUEL SCHDL” and “A/F ALPHA-B1” are within the SP value in “SPEC”
of “DATA MONITOR” mode with CONSULT-III. Refer to
EC-115, "Component Function Check"
Is the measurement value within the SP value?
YES
>> GO TO 9.
NO
>> GO TO 8.
8.
DETECT MALFUNCTIONING PART BY TROUBLE DIAGNOSIS - SPECIFICATION VALUE
Detect malfunctioning part according to
.
Is malfunctioning part detected?
YES
>> GO TO 11.
NO
>> GO TO 9.
9.
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 10.
10.
DETECT MALFUNCTIONING PART BY DIAGNOSIS PROCEDURE
Inspect according to Diagnosis Procedure of the system.
NOTE:
The Diagnosis Procedure in EC section described based on open circuit inspection. A short circuit inspection
is also required for the circuit check in the Diagnosis Procedure. For details, refer to
.
Is malfunctioning part detected?
YES
>> GO TO 11.
NO
>> Monitor input data from related sensors or check the voltage of related ECM terminals using CON-
SULT-III. Refer to
11.
REPAIR OR REPLACE THE MALFUNCTIONING PART
1.
Repair or replace the malfunctioning part.
2.
Reconnect parts or connectors disconnected during Diagnosis Procedure again after repair and replace-
ment.
3.
Check DTC. If DTC is displayed, erase it. Refer to “How to Erase DTC and 1st trip DTC” in
>> GO TO 12.
12.
FINAL CHECK
When DTC was detected in step 2, perform DTC CONFIRMATION PROCEDURE or Component Function
Check again, and then make sure that the malfunction have been repaired securely.
When symptom was described from the customer, refer to confirmed symptom in step 3 or 4, and make sure
that the symptom is not detected.
Is DTC detected and does symptom remain?
YES-1 >> DTC is detected: GO TO 10.
YES-2 >> Symptom remains: GO TO 6.
NO
>> Before returning the vehicle to the customer, make sure to erase unnecessary DTC in ECM.
(Refer to “How to Erase DTC and 1st trip DTC” in
EC-45, "Diagnosis Description"
.) If the comple-
tion of SRT is needed, drive vehicle under the specific “DRIVING PATTERN” in
.
EC-102
< BASIC INSPECTION >
[HR12DE (TYPE 1)]
DIAGNOSIS AND REPAIR WORKFLOW
Diagnostic Work Sheet
INFOID:0000000005989209
DESCRIPTION
There are many operating conditions that lead to the malfunction of
engine components. A good grasp of such conditions can make trou-
bleshooting faster and more accurate.
In general, each customer feels differently about an incident. It is
important to fully understand the symptoms or conditions for a cus-
tomer complaint.
Utilize a diagnostic worksheet like the WORKSHEET SAMPLE
below in order to organize all the information for troubleshooting.
Some conditions may cause the MIL to come on steady or blink and
DTC to be detected. Examples:
Vehicle ran out of fuel, which caused the engine to misfire.
WORKSHEET SAMPLE
SEF907L
MTBL0017
ADDITIONAL SERVICE WHEN REPLACING ECM
EC-103
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ADDITIONAL SERVICE WHEN REPLACING ECM
Description
INFOID:0000000005989210
When replacing ECM, this procedure must be performed.
Work Procedure
INFOID:0000000005989211
1.
PERFORM INITIALIZATION OF NATS SYSTEM AND REGISTRATION OF ALL NATS IGNITION KEY IDS
Refer to
SEC-36, "ECM : Work Procedure"
(With intelligent key system),
SEC-142, "ECM : Work Procedure"
(Without intelligent key system).
>> GO TO 2.
2.
PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING
>> GO TO 3.
3.
PERFORM THROTTLE VALVE CLOSED POSITION LEARNING
>> GO TO 4.
4.
PERFORM IDLE AIR VOLUME LEARNING
>> END
EC-104
< BASIC INSPECTION >
[HR12DE (TYPE 1)]
ACCELERATOR PEDAL RELEASED POSITION LEARNING
ACCELERATOR PEDAL RELEASED POSITION LEARNING
Description
INFOID:0000000005989212
Accelerator Pedal Released Position Learning is a function of ECM to learn the fully released position of the
accelerator pedal by monitoring the accelerator pedal position sensor output signal. It must be performed each
time harness connector of accelerator pedal position sensor or ECM is disconnected.
Work Procedure
INFOID:0000000005989213
1.
START
1.
Make sure that accelerator pedal is fully released.
2.
Turn ignition switch ON and wait at least 2 seconds.
3.
Turn ignition switch OFF and wait at least 10 seconds.
4.
Turn ignition switch ON and wait at least 2 seconds.
5.
Turn ignition switch OFF and wait at least 10 seconds.
>> END
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