Nissan Qashqai J11. Manual — part 249
ECH-294
< DTC/CIRCUIT DIAGNOSIS >
[HRA2DDT]
P2263 TC SYSTEM
NO
>> Replace turbocharger boost sensor.
5.
CHECK TURBOCHARGER BOOST CONTROL SOLENOID VALVE
Check the turbocharger boost control solenoid valve.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace error-detected parts.
6.
CHECK TURBOCHARGER
Check the turbocharger.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> Repair or replace error-detected parts.
P2504 CHARGING SYSTEM VOLTAGE
ECH-295
< DTC/CIRCUIT DIAGNOSIS >
[HRA2DDT]
C
D
E
F
G
H
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ECH
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P
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P2504 CHARGING SYSTEM VOLTAGE
DTC Logic
INFOID:0000000010500767
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 12 minutes before conducting the next test.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON and wait at least 5 seconds.
2.
Check DTC.
Is the DTC detected?
YES
>> Proceed to
ECH-295, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010929829
1.
CHECK DRIVE BELT
Check drive belt. Refer to
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Adjust or replace drive belt.
2.
CHECK CHARGING SYSTEM
Check charging system. Refer to
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> Repair or replace error-detected part.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P2504
CHARGING SYSTEM
(Charging system voltage
high)
ECM detects poor performance of alterna-
tor.
• Harness or connectors
• Alternator
ECH-296
< DTC/CIRCUIT DIAGNOSIS >
[HRA2DDT]
STOP LAMP SWITCH
STOP LAMP SWITCH
Component Function Check
INFOID:0000000010500793
1.
CHECK STOP LAMP SWITCH FUNCTION
1.
Turn ignition switch ON.
2.
Check the voltage between ECM harness connector terminals as per the following condition.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Proceed to
ECH-298, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000010500794
1.
CHECK STOP LAMP SWITCH FUNCTION
1.
Turn ignition switch ON.
2.
Check the voltage between ECM harness connector terminals as per the following conditions.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO-1 (Fixed at 0 V)>>GO TO 2.
NO-2 (Fixed at battery voltage)>>GO TO 4.
2.
CHECK STOP LAMP SWITCH POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect stop lamp switch harness connector.
3.
Turn ignition switch ON.
4.
Check the voltage between stop lamp switch and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Perform trouble diagnosis for power supply circuit.
3.
CHECK STOP LAMP SWITCH SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check the continuity between stop lamp switch harness connector and ECM harness connector.
ECM
Condition
Voltage
(Approx.)
Connector
+
−
Terminal
E9
17
29
Brake pedal
Fully released
Battery voltage
Slightly depressed
0 V
ECM
Condition
Voltage
(Approx.)
Connector
+
−
Terminal
E9
17
29
Brake pedal
Fully released
Battery voltage
Slightly depressed
0 V
+
−
Voltage
Stop lamp switch
Connector
Terminal
E50
3
Ground
Battery voltage
STOP LAMP SWITCH
ECH-297
< DTC/CIRCUIT DIAGNOSIS >
[HRA2DDT]
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4.
Also check harness for short to power.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts.
4.
CHECK STOP LAMP SWITCH
Check stop lamp switch. Refer to
ECH-297, "Component Inspection"
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> Repair or replace error-detected parts.
Component Inspection
INFOID:0000000010500795
1.
CHECK STOP LAMP SWITCH-1
1.
Turn ignition switch OFF.
2.
Disconnect stop lamp switch harness connector.
3.
Check the continuity between stop lamp switch terminals as per the following conditions.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 2.
2.
CHECK STOP LAMP SWITCH-2
1.
Adjust stop lamp switch installation. Refer to
BR-18, "Inspection and Adjustment"
(LHD models) or
(RHD models).
2.
Check the continuity between stop lamp switch terminals as per the following conditions.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace stop lamp switch.
+
−
Continuity
Stop lamp switch
ECM
Connector
Terminal
Connector
Terminal
E50
4
E9
17
Existed
Stop lamp switch
Condition
Continuity
+
−
Terminal
3
4
Brake pedal
Depressed
Not existed
Released
Existed
Stop lamp switch
Condition
Continuity
+
−
Terminal
3
4
Brake pedal
Depressed
Not existed
Released
Existed
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