Nissan X-Trail 32. Manual — part 1002
P1546 EXHAUST GAS TEMPERATURE
EC-1137
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
C
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F
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EC
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P1546 EXHAUST GAS TEMPERATURE
DTC Description
INFOID:0000000010935837
DTC DETECTION LOGIC
POSSIBLE CAUSE
Diesel particulate filter
FAIL-SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
1.
CHECK DTC PRIORITY
If DTC P1546 is displayed with following DTC, first perform the trouble diagnosis for following DTC.
• DTC P0001, P0002, P0101, P0190, P0200, P0201, P0202, P0203, P0204, P0627, P1453, P1544 and
P2002
Is applicable DTC detected?
YES
>> Perform diagnosis of applicable. Refer to
.
NO
>> GO TO 2.
2.
PERFORM DIAGNOSIS PROCEDURE
NOTE:
DTC P1546 can not duplicate.
>> Proceed to
EC-1137, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000010935838
1.
CHECK OTHER DTC
If DTC P1546 is displayed with other DTC, perform trouble diagnosis for other DTC.
>> INSPECTION END.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P1546
TEMP. UPSTREAM OF PF
(Temperature upstream of particle filter)
• 1.DEF: EXCESSIVE TEMPERATURE
Diesel particulate filter temperature is more than 1,200
°
C (2,192
°
F).
EC-1138
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P1589 NEUTRAL SWITCH
P1589 NEUTRAL SWITCH
DTC Description
INFOID:0000000010935839
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connectors (Neutral position switch circuit is shorted.)
• Neutral position switch
FAIL-SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
1.
PERFORM COMPONENT FUNCTION CHECK
NOTE:
Use Component Function Check the overall function of the neutral position switch circuit. During this check,
the DTC might not be confirmed.
With CONSULT
1.
Turn ignition switch ON.
2.
Select “MANUAL GEARBOX LEVER IN NEUTRAL” in “DATA MONITOR” mode of “ECM” using CON-
SULT.
3.
Check the “MANUAL GEARBOX LEVER IN NEUTRAL” indication as per the following conditions.
Without CONSULT
1.
Turn ignition switch ON.
2.
Check the voltage between ECM harness connectors as per the following conditions.
Is the inspection result normal?
YES-1 >> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
.
YES-2 >> Confirmation after repair: INSPECTION END
NO
>> Proceed to
EC-1138, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000010935842
1.
CHECK FUSE
Check that the following fuse is not fusing.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P1589
GEAR BOX NEUTRAL CONTACTOR
(Gear box neutral contactor)
• 1.DEF: IMPLAUSIBLE SIGNAL
Neutral position switch signal remains ON for a long driving distance.
Selector lever position
Indication
Neutral position
DETECTED
Except above position
NOT DETECTED
+
−
Condition
Voltage
(Approx.)
ECM
Connector
Terminal
F117
80
Ground
Shift lever
Neutral
Battery voltage
Except above
0 V
Fuse No.
Capacity
#97
10 A
P1589 NEUTRAL SWITCH
EC-1139
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
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Is the fuse fusing?
YES
>> Replace the fuse after repairing the applicable circuit.
NO
>> GO TO 2.
2.
CHECK NEUTRAL POSITION SWITCH POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect neutral position switch harness connector.
3.
Turn ignition switch ON.
4.
Check the voltage between neutral position switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 3.
3.
CHECK NEUTRAL POSITION SWITCH POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R harness connector.
3.
Check the continuity between neutral position switch harness connector and IPDM E/R harness connec-
tor.
Is the inspection result normal?
YES
>> Perform the trouble diagnosis for power supply circuit.
NO
>> Repair or replace error-detected parts.
4.
CHECK NEUTRAL POSITION INPUT SIGNAL CIRCUIT-1
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check the continuity between neutral position switch harness connector and ECM harness connector.
4.
Also check harness for short to ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace error-detected parts.
5.
CHECK NEUTRAL POSITION INPUT SIGNAL CIRCUIT-2
1.
Disconnect IPDM E/R harness connector.
2.
Check the continuity between neutral position switch harness connector and IPDM E/R harness connec-
tor.
+
−
Voltage
(Approx.)
Neutral position switch
Connector
Terminal
F48
2
Ground
Battery voltage
+
−
Continuity
Neutral position switch
IPDM E/R
Connector
Terminal
Connector
Terminal
F48
2
F72
71
Existed
+
−
Continuity
Neutral position switch
ECM
Connector
Terminal
Connector
Terminal
F48
1
F117
80
Existed
EC-1140
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P1589 NEUTRAL SWITCH
3.
Also check harness for short to ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace error-detected parts.
6.
CHECK INTERMITTENT INCIDENT
Check intermittent incident. Refer to
GI-44, "Intermittent Incident"
.
Is the inspection result normal?
YES
>> Replace neutral position switch.
NO
>> Repair or replace error-detected parts.
+
−
Continuity
Neutral position switch
IPDM E/R
Connector
Terminal
Connector
Terminal
F48
2
F74
94
Existed
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