Qashqai J11. Engine control system (K9K) — part 16
P0409 EGR VOLUME CONTROL VALVE POSITION SENSOR
ECK-241
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
C
D
E
F
G
H
I
J
K
L
M
A
ECK
N
P
O
2.
Check low pressure EGR valve and high pressure EGR valve position sensor circuit for open and short.
HIGH PRESSURE EGR VOLUME CONTROL VALVE
LOW PRESSURE EGR VOLUME CONTROL VALVE
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace error-detected parts.
5.
DTC CONFIRMATION PROCEDURE
1.
Erase DTC.
2.
Perform DTC confirmation procedure again. Refer to
Is the DTC P0409 displayed again?
YES
>> GO TO 6.
NO
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
6.
CHECK LOW PRESSURE EGR VALVE MOTOR AND HIGH PRESSURE EGR VALVE MOTOR
ECK-241, "Component Inspection (EGR Volume Control Valve Motor)"
Is the inspection result normal?
YES
>> Replace high pressure EGR valve position sensor and low pressure EGR valve position sensor.
NO
>> Replace error-detected parts.
Component Inspection (EGR Volume Control Valve Motor)
INFOID:0000000010289829
1.
CHECK LOW PRESSURE EGR VALVE MOTOR AND HIGH PRESSURE EGR VALVE MOTOR
1.
Turn ignition switch OFF.
2.
Disconnect low pressure EGR valve and high pressure EGR valve harness connector.
3.
Check resistance between low pressure EGR valve and high pressure EGR valve terminals as follows.
HIGH PRESSURE EGR VOLUME CONTROL VALVE
+
-
Continuity
ECM
High pressure EGR volume
control valve
Connector
Terminal
Connector
Terminal
F80
69
F60
6
Existed
70
3
75
1
+
-
Continuity
ECM
Low pressure EGR volume
control valve
Connector
Terminal
Connector
Terminal
F80
65
F34
1
Existed
66
2
79
3
High pressure EGR volume
control valve
Condition
Resistance (Approx.)
+
-
Terminal
2
5
Temperature
°
C (
°
F)
23 (73)
2.4
Ω
ECK-242
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
P0409 EGR VOLUME CONTROL VALVE POSITION SENSOR
LOW PRESSURE EGR VOLUME CONTROL VALVE
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace low pressure EGR valve or high pressure EGR valve.
Low pressure EGR volume
control valve
Condition
Resistance (Approx.)
+
-
Terminal
5
6
Temperature
°
C (
°
F)
20 (68)
1.69
Ω
P0470 EXHAUST GAS PRESSURE SENSOR
ECK-243
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
C
D
E
F
G
H
I
J
K
L
M
A
ECK
N
P
O
P0470 EXHAUST GAS PRESSURE SENSOR
DTC Logic
INFOID:0000000010289830
DTC DETECTION LOGIC
NOTE:
If DTC P0470 is displayed with DTC P0651, and P2263, perform the trouble diagnosis for DTC P0651,
and P2263. Refer to
.
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 1 minute before conducting the next test.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON and wait at least 1 second.
2.
Check DTC.
Is DTC detected?
YES
>> Proceed to
ECK-243, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010289831
1.
CHECK ECM HARNESS CONNECTOR CONNECTIONS
1.
Turn ignition switch OFF.
2.
Check ECM harness connector connection F80.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace error-detected parts.
2.
CHECK EXHAUST GAS PRESSURE SENSOR 1 HARNESS CONNECTOR CONNECTIONS
Check exhaust gas pressure sensor harness connector connection F110.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts.
3.
CHECK EXHAUST GAS PRESSURE SENSOR 1 POWER SUPPLY CIRCUIT
Check the power supply of the exhaust gas pressure sensor 1.
Is the inspection result normal?
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0470
TBN UPSTR PRS SEN CIRC
(Exhaust pressure sensor “A” circuit)
• 1.DEF: VOLTAGE TOO LOW
• 2.DEF: VOLTAGE TOO HIGH
• An excessively low voltage from the sensor is
sent to ECM.
• An excessively high voltage from the sensor
is sent to ECM.
• Exhaust gas pressure sensor
1
• Turbocharger
• Exhaust manifold
• Exhaust tube
• ECM
+
-
Continuity
Exhaust gas pressure sensor 1
Connector
Terminal
F110
3
Ground
Existed
ECK-244
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
P0470 EXHAUST GAS PRESSURE SENSOR
YES
>> GO TO 4.
NO
>> Perform trouble diagnosis for power supply circuit.
4.
CHECK EXHAUST GAS PRESSURE SENSOR 1 CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Check exhaust gas pressure sensor 1 circuit for open and short.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace error-detected parts.
5.
CHECK EXHAUST GAS PRESSURE SENSOR 1
ECK-244, "Component Inspection (Exhaust Gas Pressure Sensor)"
.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace error-detected parts.
6.
DTC CONFIRMATION PROCEDURES
1.
Erase DTC.
2.
Perform DTC confirmation procedure again. Refer to
Is the DTC P0470 displayed again?
YES
>> GO TO 7.
NO
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
7.
CHECK TURBOCHARGER
Check turbocharger.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> Repair or replace malfunctioning parts.
Component Inspection (Exhaust Gas Pressure Sensor)
INFOID:0000000010289832
1.
CHECK EXHAUST GAS PRESSURE SENSOR
1.
Disconnect exhaust gas pressure sensor harness connector.
2.
Check the resistance between exhaust gas pressure sensor terminals as follows.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace exhaust gas pressure sensor.
+
-
Continuity
ECM
Exhaust gas pressure sen-
sor 1
Connector
Terminal
Connector
Terminal
F80
77
F110
3
Existed
78
1
83
2
Exhaust gas pressure sensor
Resistance (Approx.)
+
-
Terminal
2
1
100 k
Ω
P0471 EXHAUST GAS PRESSURE SENSOR 1
ECK-245
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
C
D
E
F
G
H
I
J
K
L
M
A
ECK
N
P
O
P0471 EXHAUST GAS PRESSURE SENSOR 1
DTC Logic
INFOID:0000000010289833
DTC DETECTION LOGIC
NOTE:
If DTC P0471 is displayed with DTC P0335, P0470, and P2226, perform the trouble diagnosis for DTC
P0335, P0470, and P2226. Refer to
DTC CONFIRMATION PROCEDURE
1.
PERFORM DIAGNOSIS PROCEDURE
NOTE:
DTC P0471 can not duplicate.
>> Proceed to
ECK-245, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000010289834
1.
CHECK ECM HARNESS CONNECTOR CONNECTIONS
1.
Turn ignition switch OFF.
2.
Check ECM harness connector connection.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace error-detected parts.
2.
CHECK EXHAUST GAS PRESSURE SENSOR 1 HARNESS CONNECTOR CONNECTIONS
Check exhaust gas pressure sensor 1 harness connector connection.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts.
3.
CHECK EXHAUST GAS PRESSURE SENSOR 1 POWER SUPPLY CIRCUIT
Check the power supply of the exhaust gas pressure sensor 1.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Perform trouble diagnosis for power supply circuit.
4.
CHECK EXHAUST GAS PRESSURE SENSOR 1 CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Check exhaust gas pressure sensor 1 circuit for open and short.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0471
PRS UPSTR OF TBN
(Exhaust pressure sensor “A” circuit
range/performance)
• 1.DEF: SIGNAL INCOHERENCE
• 2.DEF: INCORRECT SENSOR
MOUNTING
• Difference between barometric pressure
and exhaust pressure while engine stopped.
• Difference between upstream DPF pressure
and exhaust pressure while engine is run-
ning at idle.
• Exhaust gas pressure sensor 1
• Turbocharger
• Exhaust manifold
• Exhaust tube
• ECM
+
-
Continuity
Exhaust gas pressure sensor 1
Connector
Terminal
F110
3
Ground
Existed
ECK-246
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
P0471 EXHAUST GAS PRESSURE SENSOR 1
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace error-detected parts.
5.
DTC CONFIRMATION PROCEDURES
1.
Erase DTC.
2.
Perform DTC confirmation procedure again. Refer to
Is the DTC P0471 displayed again?
YES
>> GO TO 6.
NO
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
6.
CHECK THE EXHAUST GAS PRESSURE SENSOR 1 FOR LEAK
Visually check the exhaust gas pressure sensor 1 for air leak.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair or replace the malfunctioning part.
7.
CHECK EXHAUST GAS PRESSURE SENSOR 1
ECK-246, "Component Inspection (Exhaust Gas Pressure Sensor 1)"
.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Replace error-detected parts.
8.
CHECK TURBOCHARGER
Check turbocharger.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> Repair or replace malfunctioning parts.
Component Inspection (Exhaust Gas Pressure Sensor 1)
INFOID:0000000010289835
1.
CHECK EXHAUST GAS PRESSURE SENSOR 1
1.
Disconnect exhaust gas pressure sensor 1 harness connector.
2.
Check the resistance between exhaust gas pressure sensor 1 terminals as follows.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace exhaust gas pressure sensor 1.
+
-
Continuity
ECM
Exhaust gas pressure sen-
sor 1
Connector
Terminal
Connector
Terminal
F80
77
F110
3
Existed
78
1
83
2
Exhaust gas pressure sensor 1
Resistance (Approx.)
+
-
Terminal
2
1
100 k
Ω
P0487 EGR VOLUME CONTROL VALVE
ECK-247
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
C
D
E
F
G
H
I
J
K
L
M
A
ECK
N
P
O
P0487 EGR VOLUME CONTROL VALVE
DTC Logic
INFOID:0000000010289836
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 1 minute before conducting the next test.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON and wait at least 1 second.
2.
Check DTC.
Is DTC detected?
YES
>> Proceed to
ECK-247, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010289837
1.
CHECK LOW PRESSURE EGR VALVE AND HIGH PRESSURE EGR VALVE
Visually check low pressure EGR valve and high pressure EGR valve for chipping.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace error-detected parts.
2.
CHECK ECM HARNESS CONNECTOR CONNECTIONS
Check ECM harness connector connection F80 and F81.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts.
3.
CHECK LOW PRESSURE EGR VALVE AND HIGH PRESSURE EGR VALVE HARNESS CONNECTOR
CONNECTIONS
Check low pressure EGR valve and high pressure EGR valve harness connector connection F34 and F60.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts.
4.
CHECK LOW PRESSURE EGR VALVE AND HIGH PRESSURE EGR VALVE CIRCUIT FOR OPEN AND
SHORT
1.
Turn ignition switch OFF.
2.
Check low pressure EGR valve and high pressure EGR valve circuit for open and short.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0487
EGR VLV CMD CIRC
(Exhaust gas recirculation
throttle control circuit “A”/
open)
• 1.DEF: OFFSET IM-
PLAUSIBLE
ECM detects abnormally closed posi-
tion of EGR volume control valve.
• Harness or connectors
• High pressure EGR volume control valve
• Low pressure EGR volume control valve
• High pressure EGR valve position sensor
• Low pressure EGR valve position sensor
• ECM
ECK-248
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
P0487 EGR VOLUME CONTROL VALVE
HIGH PRESSURE EGR VOLUME CONTROL VALVE
LOW PRESSURE EGR VOLUME CONTROL VALVE
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace error-detected parts.
5.
DTC CONFIRMATION PROCEDURE
1.
Erase DTC.
2.
Perform DTC confirmation procedure again. Refer to
Is the DTC P0487 displayed again?
YES
>> GO TO 6.
NO
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
6.
CHECK LOW PRESSURE EGR VALVE MOTOR AND HIGH PRESSURE EGR VALVE MOTOR
ECK-248, "Component Inspection (EGR Volume Control Valve Motor)"
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> Replace error-detected parts.
Component Inspection (EGR Volume Control Valve Motor)
INFOID:0000000010289838
1.
CHECK LOW PRESSURE EGR VALVE MOTOR AND HIGH PRESSURE EGR VALVE MOTOR
1.
Turn ignition switch OFF.
2.
Disconnect low pressure EGR valve and high pressure EGR valve harness connector.
3.
Check resistance between low pressure EGR valve and high pressure EGR valve terminals as follows.
HIGH PRESSURE EGR VOLUME CONTROL VALVE
+
-
Continuity
ECM
High pressure EGR volume
control valve
Connector
Terminal
Connector
Terminal
F81
147
F60
2
Existed
148
5
F80
69
6
70
3
75
1
+
-
Continuity
ECM
Low pressure EGR volume
control valve
Connector
Terminal
Connector
Terminal
F81
151
F34
6
Existed
152
5
F80
65
1
66
2
79
3
High pressure EGR volume
control valve
Condition
Resistance (Approx.)
+
-
Terminal
2
5
Temperature
°
C (
°
F)
23 (73)
2.4
Ω
P0487 EGR VOLUME CONTROL VALVE
ECK-249
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
C
D
E
F
G
H
I
J
K
L
M
A
ECK
N
P
O
LOW PRESSURE EGR VOLUME CONTROL VALVE
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace EGR volume control valve.
Low pressure EGR volume
control valve
Condition
Resistance (Approx.)
+
-
Terminal
5
6
Temperature
°
C (
°
F)
20 (68)
1.69
Ω
ECK-250
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
P0488 EGR SYSTEM
P0488 EGR SYSTEM
DTC Logic
INFOID:0000000010289839
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 1 minute before conducting the next test.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON and wait at least 3 seconds.
2.
Check DTC.
Is DTC detected?
YES
>> Proceed to
ECK-250, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010289840
1.
CHECK LOW PRESSURE EGR VALVE AND HIGH PRESSURE EGR VALVE
Visually check low pressure EGR valve and high pressure EGR valve for chipping.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace error-detected parts.
2.
CHECK ECM HARNESS CONNECTOR CONNECTIONS
Check ECM harness connector connection.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts.
3.
CHECK LOW PRESSURE EGR VALVE AND HIGH PRESSURE EGR VALVE HARNESS CONNECTOR
CONNECTIONS
Check low pressure EGR valve and high pressure EGR valve harness connector connection.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts.
4.
CHECK LOW PRESSURE EGR VALVE AND HIGH PRESSURE EGR VALVE CIRCUIT FOR OPEN AND
SHORT
1.
Turn ignition switch OFF.
2.
Check low pressure EGR valve and high pressure EGR valve circuit for open and short.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0488
EGR VALVE POSITION CN-
TRL
(Exhaust gas recirculation
throttle control circuit “A”
range/performance)
• 1.DEF: NO RESPONSE
FROM THE VALVE MO-
TOR
• 2.DEF: VALVE LOCKED
ECM detects EGR volume control valve
regulation error.
• Harness or connectors
• High pressure EGR volume control valve
• Low pressure EGR volume control valve
• High pressure EGR volume control valve
position sensor
• Low pressure EGR volume control valve
position sensor
• ECM
P0488 EGR SYSTEM
ECK-251
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
C
D
E
F
G
H
I
J
K
L
M
A
ECK
N
P
O
HIGH PRESSURE EGR VOLUME CONTROL VALVE
LOW PRESSURE EGR VOLUME CONTROL VALVE
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace error-detected parts.
5.
DTC CONFIRMATION PROCEDURE
1.
Erase DTC.
2.
Perform DTC confirmation procedure again. Refer to
Is the DTC P0488 displayed again?
YES
>> GO TO 6.
NO
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
6.
CHECK EGR VOLUME CONTROL VALVE MOTOR
ECK-251, "Component Inspection (EGR Volume Control Valve Motor)"
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> Replace error-detected parts.
Component Inspection (EGR Volume Control Valve Motor)
INFOID:0000000010289841
1.
CHECK EGR VOLUME CONTROL VALVE MOTOR
1.
Turn ignition switch OFF.
2.
Disconnect EGR volume control valve harness connector.
3.
Check resistance between EGR volume control valve terminals as follows.
HIGH PRESSURE EGR VOLUME CONTROL VALVE
+
-
Continuity
ECM
High pressure EGR volume
control valve
Connector
Terminal
Connector
Terminal
F81
147
F60
2
Existed
148
5
F80
69
6
70
3
75
1
+
-
Continuity
ECM
Low pressure EGR volume
control valve
Connector
Terminal
Connector
Terminal
F81
151
F34
6
Existed
152
5
F80
65
1
66
2
79
3
EGR volume control valve
Resistance (Approx.)
+
-
Terminal
2
5
2.4
Ω
ECK-252
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
P0488 EGR SYSTEM
LOW PRESSURE EGR VOLUME CONTROL VALVE
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace EGR volume control valve.
EGR volume control valve
Resistance (Approx.)
+
-
Terminal
5
6
1.69
Ω
P0504 STOP LAMP SWITCH
ECK-253
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
C
D
E
F
G
H
I
J
K
L
M
A
ECK
N
P
O
P0504 STOP LAMP SWITCH
DTC Logic
INFOID:0000000010289842
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
• Turn ignition switch OFF and wait at least 10 seconds.
• Turn ESP switch OFF. (with ESP)
>> GO TO 2.
2.
DTC CONFIRMATION PROCEDURE
1.
Start the engine.
2.
Drive the vehicle at more than 5 km/h (3 MPH) for at least 5 seconds.
3.
Depress the brake pedal and keep vehicle speed more than 5 km/h (3 MPH) for at least 5 seconds.
NOTE:
For M/T models: Clutch pedal is released.
4.
Check DTC.
Is DTC detected?
YES
>> Proceed to
ECK-253, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010289843
1.
CHECK STOP LAMP SWITCH FUNCTION
With CONSULT
1.
Turn ignition switch ON.
2.
Select “BRAKE PEDAL” in “DATA MONITOR” mode of “ENGINE” using CONSULT.
3.
Check indication as per the following conditions.
Without CONSULT
1.
Turn ignition switch ON.
2.
Check the voltage between ECM harness connector terminals as per the following.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC Detecting Condition
Possible Cause
P0504
BRAKE SWITCH SIGNAL CON-
SISTENCY
(Brake switch “A”/“B” correlation)
• 1.DEF: —
• 2.DEF: OFFSET IMPLAUSIBLE
• 3.DEF: IMPLAUSIBLE SIGNAL
ECM detects ON signals sent from the stop
lamp switch and the brake pedal position
switch at the same time.
• Harness or connectors
(The stop lamp switch circuit is open
or shorted.)
(The brake pedal position switch cir-
cuit is open or shorted.)
• Stop lamp switch
• Brake pedal position switch
• Incorrect stop lamp switch installa-
tion
• Incorrect brake pedal position
switch installation
• ECM
Monitor item
Condition
Indication
BRAKE PEDAL
Brake pedal
Slightly depressed
On
Fully released
Off
ECK-254
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
P0504 STOP LAMP SWITCH
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 2.
2.
CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect stop lamp switch harness connector.
3.
Check the voltage between stop lamp switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Perform the trouble diagnosis for power supply circuit.
3.
CHECK STOP LAMP SWITCH INPUT SIGNAL CIRCUIT
1.
Disconnect ECM harness connector.
2.
Check the continuity between stop lamp switch harness connector and ECM harness connector.
3.
Also check harness for short to ground and to power.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts.
4.
CHECK STOP LAMP SWITCH
Check the stop lamp switch. Refer to
ECK-382, "Component Inspection"
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> Replace stop lamp switch.
Component Inspection (Brake Pedal Position Switch)
INFOID:0000000010289844
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.
ECM
Condition
Voltage
(Approx.)
Connector
+
–
Terminal
E59
17
25
Brake pedal
Slightly de-
pressed
Battery voltage
Fully released
0 V
+
−
Voltage
Stop lamp switch
Connector
Terminal
E50
3
Ground
Battery voltage
+
−
Continuity
Stop lamp switch
ECM
Connector
Terminal
Connector
Terminal
E50
4
E59
17
Existed
P0504 STOP LAMP SWITCH
ECK-255
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
C
D
E
F
G
H
I
J
K
L
M
A
ECK
N
P
O
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-8, "Inspection and Adjustment"
(LHD models),
(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.
Stop lamp switch
Condition
Continuity
+
-
Terminals
3
4
Brake pedal
Fully released
Not existed
Slightly de-
pressed
Existed
Stop lamp switch
Condition
Continuity
+
-
Terminals
3
4
Brake pedal
Fully released
Not existed
Slightly de-
pressed
Existed
ECK-256
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
P0525 ASCD SYSTEM
P0525 ASCD SYSTEM
DTC Logic
INFOID:0000000010289845
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DIAGNOSIS PROCEDURE
NOTE:
DTC P0525 can not duplicate.
>> Proceed to
ECK-256, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000010289846
1.
REPLACE ECM
1.
Turn ignition switch OFF and wait at least 1 minute.
2.
Replace ECM.
3.
>> INSPECTION END
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P0525
CRUISE CONTROL DATA MONITOR-
ING
(Cruise control servo control circuit
range/performance)
• 1.DEF: SIGNAL COMPARE FAIL-
URE
Correlation between two signals is inconsistency.
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст