Qashqai J11. Engine control system (R9M) — part 15
EC9-226
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P025B FUEL PUMP CONTROL MODULE CONTROL
Is the inspection result normal?
YES
>> Replace FPCM. Refer to
EC9-410, "Removal and Installation"
.
NO
>> Repair or replace error-detected parts.
+
−
Continuity
ECM
FPCM
Connector
Terminal
Connector
Terminal
E58
13
B77
9
Existed
P0335 CKP SENSOR
EC9-227
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
C
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EC9
N
P
O
P0335 CKP SENSOR
DTC Logic
INFOID:0000000010309152
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DIAGNOSIS PROCEDURE
NOTE:
DTC P0335 can not duplicate.
>> Proceed to
EC9-227, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000010309153
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 CKP SENSOR HARNESS CONNECTOR CONNECTIONS
Check crankshaft position (CKP) sensor harness connector connection.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts.
3.
CHECK CKP SENSOR
EC9-227, "Component Inspection (Crankshaft Position Sensor)"
.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace error-detected parts.
4.
CHECK GEAR TOOTH
Visually check for chipping flywheel gear tooth.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> Replace signal plate.
Component Inspection (Crankshaft Position Sensor)
INFOID:0000000010309154
1.
CHECK CRANKSHAFT POSITION (CKP) SENSOR
1.
Disconnect CKP sensor harness connector.
2.
Check resistance between CKP sensor terminals as follows.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0335
ENGINE SPEED SENSOR
SIGNAL
(Crankshaft position sensor
“A” circuit)
• 1.DEF: NO SIGNAL
• 2.DEF: IMPLAUSIBLE
SIGNAL
• Crankshaft position sensor signal is not de-
tected by ECM when engine is running.
• Crankshaft position sensor signal is not in
the normal pattern when engine is running.
• Harness or connectors
(The sensor circuit is open or shorted.)
• Crankshaft position sensor
• Signal plate
EC9-228
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P0335 CKP SENSOR
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace CKP sensor.
CKP sensor
Resistance
+
-
Terminal
1
2
0.52 - 0.86 k
Ω
P0340 CMP SENSOR
EC9-229
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
C
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EC9
N
P
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P0340 CMP SENSOR
DTC Logic
INFOID:0000000010309155
DTC DETECTION LOGIC
NOTE:
If DTC P0340 is displayed with DTC P0016, P0335, P0560, P0641, P0651, and P0657, perform the trou-
ble diagnosis for DTC P0016, P0335, P0560, P0641, P0651, and P0657. Refer to
DTC CONFIRMATION PROCEDURE
1.
PERFORM DIAGNOSIS PROCEDURE
NOTE:
DTC P0340 can not duplicate.
>> Proceed to
EC9-229, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000010309156
1.
CHECK CMP SENSOR-1
Visually check camshaft position (CMP) sensor for chipping.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace error-detected parts.
2.
CHECK CMP SENSOR HARNESS CONNECTOR CONNECTIONS
Check CMP sensor harness connector connection.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts.
3.
CHECK CMP SENSOR CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Check CMP sensor circuit for open and short.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0340
CAMSHAFT SENSOR CIR-
CUIT
(Camshaft position sensor
“A” circuit bank 1 or single
sensor)
• 1.DEF: IMPLAUSIBLE
SIGNAL
• 2.DEF: NO SIGNAL
• Camshaft position sensor signal is not de-
tected by ECM when engine is running.
• Camshaft position sensor signal is not in the
normal pattern when engine is running.
• Harness or connectors
(The sensor circuit is open or shorted.)
• Camshaft position sensor
• Signal plate
+
-
Continuity
ECM
CMP sensor
Connector
Terminal
Connector
Terminal
F82
55
F118
1
Existed
70
2
71
3
EC9-230
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P0340 CMP SENSOR
4.
CHECK CMP SENSOR-2
EC9-230, "Component Inspection (Camshaft Position Sensor)"
.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> Replace error-detected parts.
Component Inspection (Camshaft Position Sensor)
INFOID:0000000010309157
1.
CHECK CAMSHAFT POSITION (CMP) SENSOR
1.
Disconnect CMP sensor harness connector.
2.
Check the resistance between CMP sensor terminals as follows.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace CMP sensor.
CMP sensor
Resistance
+
-
Terminal
1
2
More than 100 k
Ω
P0380 GLOW CONTROL SYSTEM
EC9-231
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
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EC9
N
P
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P0380 GLOW CONTROL SYSTEM
DTC Logic
INFOID:0000000010309158
DTC DETECTION LOGIC
NOTE:
If DTC P0380 is displayed with DTC P0560 and P0657, perform the trouble diagnosis for DTC P0560
and P0657. Refer to
.
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 4 minutes before conducting the next test.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON and wait at least 2 seconds.
2.
Check DTC.
Is DTC detected?
YES
>> Proceed to
EC9-231, "Diagnosis Procedure"
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010309159
1.
CHECK GLOW CONTROL UNIT POWER SUPPLY CIRCUIT
1.
Turn ignition switch ON.
2.
Check the power supply of the glow control unit.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Perform trouble diagnosis for power supply circuit.
DTC No.
CONSULT screen terms
(Trouble diagnosis con-
tent)
DTC detecting condition
Possible cause
P0380
PREHEATING UNIT
DIAG CONN
(Glow plug/heater circuit
“A”)
• 1.DEF: FAULT ALERT-
ED VIA THE CON-
TROL UNIT
• 2.DEF: OPERATION
TEMPERATURE TOO
HIGH
• CC.0: SHORT CIR-
CUIT TO EARTH
• CC.1: SHORT-CIR-
CUIT TO +12V
• CO: OPEN CIRCUIT
• ECM detects glow plug control unit er-
ror.
• ECM detects glow plug control circuit is
open for 1 second or more.
• ECM detects glow plug circuit is short
to ground for 1 second or more.
• ECM detects glow plug circuit is short
to power for 1 second or more.
• ECM detects an over temperature on
the glow plug control unit for 1 second
or more.
• Harness or connectors
(Glow plug control circuit is open or shorted.)
(Glow control unit input signal circuit is open or
shorted.)
• Glow plug
• Glow control unit
+
-
Voltage
Glow control unit
Connector
Terminal
F115
6
Ground
Battery voltage
10
EC9-232
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P0380 GLOW CONTROL SYSTEM
2.
CHECK GLOW CONTROL UNIT CIRCUIT FOR OPEN AND SHORT-1
1.
Turn ignition switch OFF.
2.
Check the continuity between glow control unit harness connector and ECM harness connector.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts.
3.
CHECK GLOW CONTROL UNIT CIRCUIT FOR OPEN AND SHORT-2
Check the continuity between glow control unit harness connector and glow plug harness connector.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts.
4.
CHECK GLOW PLUG
EC9-232, "Component Inspection (Glow Plug)"
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace error-detected parts.
5.
CHECK INTERMITTENT INCIDENT
GI-41, "Intermittent Incident"
Is the inspection result normal?
YES
>> Replace glow control unit.
NO
>> Repair or replace.
Component Inspection (Glow Plug)
INFOID:0000000010309160
1.
CHECK GLOW PLUG
1.
Disconnect glow plug harness connector.
2.
Check resistance between glow plug terminals as follows.
Is the inspection result normal?
YES
>> INSPECTION END
+
-
Continuity
ECM
Glow control unit
Connector
Terminal
Connector
Terminal
F82
35
F115
11
Existed
67
9
+
-
Continuity
Glow control unit
Glow plug
Connector
Terminal
Connector
Terminal
F115
1
F125
1
Existed
2
F126
1
3
F127
1
4
F128
1
+
-
Resistance
Glow plug
Terminal
1
Ground
0.2 - 0.8
Ω
[at 20
°
C (68
°
F)]
P0380 GLOW CONTROL SYSTEM
EC9-233
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
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EC9
N
P
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NO
>> Replace malfunctioning glow plug.
EC9-234
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P0402 EGR VOLUME CONTROL VALVE
P0402 EGR VOLUME CONTROL VALVE
DTC Logic
INFOID:0000000010309161
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.
Start engine.
2.
Maintain the following conditions for at least 10 consecutive seconds. Hold the steady as possible.
3.
Check DTC.
Is DTC detected?
YES
>> Proceed to
EC9-234, "Diagnosis Procedure"
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010309162
1.
CHECK HIGH PRESSURE EGR VOLUME CONTROL VALVE
Visually check high pressure EGR volume control 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 HIGH PRESSURE EGR VOLUME CONTROL VALVE HARNESS CONNECTOR CONNECTIONS
Check high pressure EGR volume control valve harness connector connection.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts.
4.
CHECK HIGH PRESSURE EGR VOLUME CONTROL VALVE CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
DTC No.
CONSULT screen terms
(Trouble diagnosis con-
tent)
DTC detecting condition
Possible cause
P0402
EGR VALVE JAMMED
OPEN
(Exhaust gas recircula-
tion “A” flow excessive
detected)
• 1.DEF: MECHANICAL
FAULT
ECM detects an incorrect closed position of high
Pressure EGR volume control valve.
• Harness or connectors
• High Pressure EGR volume control
valve
ENGINE SPEED
3,500 rpm
P0402 EGR VOLUME CONTROL VALVE
EC9-235
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
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EC9
N
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2.
Check high pressure EGR volume control valve circuit for open and short.
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 P0402 displayed again?
YES
>> GO TO 6.
NO
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
6.
CHECK HIGH PRESSURE EGR VOLUME CONTROL VALVE MOTOR
EC9-235, "Component Inspection (High Pressure 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 (High Pressure EGR Volume Control Valve Motor)
INFOID:0000000010309163
1.
CHECK HIGH PRESSURE EGR VOLUME CONTROL VALVE MOTOR
1.
Turn ignition switch OFF.
2.
Disconnect high pressure EGR volume control valve harness connector.
3.
Check resistance between high pressure EGR volume control valve terminals as follows.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace high pressure EGR volume control valve.
+
-
Continuity
ECM
High pressure EGR volume
control valve
Connector
Terminal
Connector
Terminal
F83
144
F14
1
Existed
148
2
High pressure EGR volume
control valve
Resistance (Approx.)
+
-
Terminal
1
2
2.35
Ω
EC9-236
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P0403 EGR VOLUME CONTROL VALVE
P0403 EGR VOLUME CONTROL VALVE
DTC Logic
INFOID:0000000010309164
DTC DETECTION LOGIC
NOTE:
If DTC P0380 is displayed with DTC P0641, first perform the trouble diagnosis for DTC P0641 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
EC9-236, "Diagnosis Procedure"
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010502693
1.
CHECK HIGH PRESSURE EGR VOLUME CONTROL VALVE
Visually check high pressure EGR volume control 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 HIGH PRESSURE EGR VOLUME CONTROL VALVE HARNESS CONNECTOR CONNECTIONS
Check high pressure EGR volume control valve harness connector connection.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts.
4.
CHECK HIGH PRESSURE EGR VOLUME CONTROL VALVE CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Check high pressure EGR volume control valve circuit for open and short.
DTC No.
CONSULT screen terms
(Trouble diagnosis con-
tent)
DTC detecting condition
Possible cause
P0403
EGR VLV CMD CIRC
(Exhaust gas recircula-
tion “A” control circuit)
• 1.DEF: —
• 2.DEF: OPERATION
TEMPERATURE TOO
HIGH
• ECM detects high Pressure EGR volume control
valve command circuit is short to ground.
• ECM detects high Pressure EGR volume control
valve command circuit is short to power.
• ECM detects an over temperature of high Pressure
EGR volume control valve.
• Harness or connectors
(High Pressure EGR volume control
valve command circuit is open or
shorted.)
• High Pressure EGR volume control
valve
P0403 EGR VOLUME CONTROL VALVE
EC9-237
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
C
D
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F
G
H
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M
A
EC9
N
P
O
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 P0403 displayed again?
YES
>> GO TO 6.
NO
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
6.
CHECK HIGH PRESSURE EGR VOLUME CONTROL VALVE MOTOR
EC9-237, "Component Inspection (High Pressure 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 (High Pressure EGR Volume Control Valve Motor)
INFOID:0000000010309166
1.
CHECK HIGH PRESSURE EGR VOLUME CONTROL VALVE MOTOR
1.
Turn ignition switch OFF.
2.
Disconnect high pressure EGR volume control valve harness connector.
3.
Check resistance between high pressure EGR volume control valve terminals as follows.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace high pressure EGR volume control valve.
+
-
Continuity
ECM
High pressure EGR volume
control valve
Connector
Terminal
Connector
Terminal
F83
144
F14
1
Existed
148
2
High pressure EGR volume
control valve
Resistance (Approx.)
+
-
Terminal
1
2
2.35
Ω
EC9-238
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P0409 EGR VOLUME CONTROL VALVE POSITION SENSOR
P0409 EGR VOLUME CONTROL VALVE POSITION SENSOR
DTC Logic
INFOID:0000000010309167
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
EC9-238, "Diagnosis Procedure"
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010309168
1.
CHECK HIGH PRESSURE EGR VOLUME CONTROL VALVE
Visually check high pressure EGR volume control 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 HIGH PRESSURE EGR VOLUME CONTROL VALVE HARNESS CONNECTOR CONNECTIONS
Check high pressure EGR volume control valve harness connector connection.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts.
4.
CHECK HIGH PRESSURE EGR VOLUME CONTROL VALVE POSITION SENSOR CIRCUIT FOR OPEN
AND SHORT
1.
Turn ignition switch OFF.
2.
Check high pressure EGR volume control valve position sensor circuit for open and short.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0409
EGR VALVE POSITION SEN CIRC
(Exhaust gas recirculation sensor
“A” circuit)
• 1.DEF: SIGNAL INCOHERENCE
• A Voltage of high Pressure EGR
volume control valve position sen-
sor remains more than 4.5 V.
• A Voltage of high Pressure EGR
volume control valve position sen-
sor remains less than 0.5 V.
• Harness or connectors
(High pressure EGR volume control valve
control position sensor circuit is open or
shorted.)
• High pressure EGR volume control valve
control position sensor
P0409 EGR VOLUME CONTROL VALVE POSITION SENSOR
EC9-239
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
C
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F
G
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M
A
EC9
N
P
O
Is the inspection result normal?
YES
>> Replace High pressure EGR volume control valve.
NO
>> Repair or replace error-detected parts.
+
-
Continuity
ECM
High pressure EGR volume
control valve
Connector
Terminal
Connector
Terminal
F83
106
F14
6
Existed
108
4
110
5
EC9-240
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P0470 EXHAUST GAS PRESSURE SENSOR
P0470 EXHAUST GAS PRESSURE SENSOR
DTC Logic
INFOID:0000000010309172
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 5 second.
2.
Check DTC.
Is DTC detected?
YES
>> Proceed to
EC9-240, "Diagnosis Procedure"
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010309173
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 HARNESS CONNECTOR CONNECTIONS
Check exhaust gas pressure sensor 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 POWER SUPPLY CIRCUIT
Check the power supply of the exhaust gas pressure sensor.
Is the inspection result normal?
YES
>> GO TO 4.
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
+
-
Voltage
(Approx.)
Exhaust gas pressure sensor
Connector
Terminal
F135
3
Ground
5 V
P0470 EXHAUST GAS PRESSURE SENSOR
EC9-241
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
C
D
E
F
G
H
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K
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M
A
EC9
N
P
O
NO
>> Perform trouble diagnosis for power supply circuit.
4.
CHECK EXHAUST GAS PRESSURE SENSOR CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Check exhaust gas pressure sensor 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
EC9-241, "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:0000000010309174
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
Connector
Terminal
Connector
Terminal
F83
104
F135
3
Existed
126
1
138
2
Exhaust gas pressure sensor
Resistance (Approx.)
+
-
Terminal
2
1
100 k
Ω
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