Nissan Titan. Manual — part 209
HOW TO ERASE PERMANENT DTC
EC-137
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HOW TO ERASE PERMANENT DTC
Description
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OUTLINE
When a DTC is stored in ECM
When a DTC is stored in ECM and MIL is ON, a permanent DTC is erased with MIL shutoff if the same mal-
function is not detected after performing the driving pattern for MIL shutoff three times in a raw.
When a DTC is not stored in ECM
The erasing method depends on a permanent DTC stored in ECM. Refer to the following table.
NOTE:
If the applicable permanent DTC includes multiple groups, perform the procedure of Group B first. If the per-
manent DTC is not erased, perform the procedure of Group A.
×: Applicable —: Not applicable
*: For group, refer to
.
PERMANENT DTC ITEM
For permanent DTC items, MIL turns ON. Refer to
.
*1: When the same malfunction is de-
tected in two consecutive trips, MIL
will illuminate.
*2: MIL will turn off after vehicle is driven
3 times (driving pattern B) without
any malfunctions.
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Group
*
Perform “DTC CONFIRMATION PROCE-
DURE” for applicable DTCs.
Driving pattern
Reference
B
D
A
×
—
—
B
—
×
×
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HOW TO ERASE PERMANENT DTC
PERMANENT DTC SERVICE PROCEDURE
Work Procedure (Group A)
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HOW TO ERASE PERMANENT DTC
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1.
CHECK DTC
Check DTC.
Is any DTC detected?
YES
>> Repair malfunction(s) and erase DTC. Refer to
.
NO
>> GO TO 2.
2.
CHECK PERMANENT DTC
With CONSULT
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Turn ignition switch ON.
5. Select “PERMANENT DTC STATUS” mode with CONSULT.
With GST
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Turn ignition switch ON.
5. Select Service $0A with GST.
Is any permanent DTC detected?
YES
>> GO TO 3.
NO
>> END
3.
PERFORM DTC CONFIRMATION PROCEDURE
Perform “DTC CONFIRMATION PROCEDURE” for DTCs which are the same as permanent DTCs stored in
ECM. Refer to
EC-46, "On Board Diagnosis Function"
.
>> GO TO 4.
4.
CHECK PERMANENT DTC
With CONSULT
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Turn ignition switch ON.
5. Select “PERMANENT DTC STATUS” mode with CONSULT.
With GST
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Turn ignition switch ON.
5. Select Service $0A with GST.
Is any permanent DTC detected?
YES
>> GO TO 1.
NO
>> END
*1: When the same malfunction is de-
tected in two consecutive trips, MIL
will illuminate.
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HOW TO ERASE PERMANENT DTC
Work Procedure (Group B)
INFOID:0000000009886535
NOTE:
Drive the vehicle according to only driving patterns indicating “INCMP” in driving patterns B and D on the
“PERMANENT DTC STATUS” screen.
1.
CHECK DTC
Check DTC.
Is any DTC detected?
YES
>> Repair malfunction(s) and erase DTC. Refer to
,
.
NO
>> GO TO 2.
2.
CHECK PERMANENT DTC
With CONSULT
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Turn ignition switch ON.
5. Select “PERMANENT DTC STATUS” mode with CONSULT.
With GST
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
*1: When the same malfunction is de-
tected in two consecutive trips, MIL
will illuminate.
*2: After experiencing driving pattern B
and D, permanent DTC is erased.
*3: Indication does not change unless
the ignition switch is turned from ON
to OFF twice even after experiencing
driving pattern B or D.
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