Nissan Qashqai J11. Manual — part 543
EC9-328
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P1589 NEUTRAL SWITCH
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.
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-41, "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
F159
2
F90
101
Existed
+
−
Continuity
Neutral position switch
ECM
Connector
Terminal
Connector
Terminal
F159
1
F82
80
Existed
+
−
Continuity
Neutral position switch
IPDM E/R
Connector
Terminal
Connector
Terminal
F159
2
F89
78
Existed
P158A CLUTCH SWITCH
EC9-329
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC9
N
P
O
P158A CLUTCH SWITCH
DTC Logic
INFOID:0000000010505194
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM COMPONENT FUNCTION CHECK
Perform component function check. Refer to
EC9-329, "Component Function Check"
.
NOTE:
Use component function check to check the overall function of the clutch switch circuit. During this
check, a DTC might not be confirmed.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Go to
EC9-329, "Diagnosis Procedure"
Component Function Check
INFOID:0000000010505195
1.
PERFORM COMPONENT FUNCTION CHECK
1.
Turn ignition switch ON.
2.
Check the voltage between ECM harness connector terminals under the following conditions.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Proceed to
EC9-329, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000010505196
1.
CHECK CLUTCH INTERLOCK SWITCH POWER SUPPLY
1.
Disconnect clutch interlock switch harness connector.
2.
Check the voltage between clutch interlock switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair open circuit or short to power in harness or connectors.
2.
CHECK CLUTCH INTERLOCK SWITCH INPUT SIGNAL CIRCUIT
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P158A
END STROKE CLUTCH
CONTACTOR
(End stroke clutch contactor)
• 1.DEF: IMPLAUSIBLE SIG-
NAL
ECM detects clutch interlock switch malfunction.
• Harness and connectors
• Clutch interlock switch
+
−
Condition
Voltage
ECM
Connector
Terminal
E58
6
Ground
Clutch pedal
Fully released
Battery voltage
Fully depressed
Approx. 0 V
+
-
Voltage
Clutch interlock switch
Connector
Terminal
E52
1
Ground
Battery voltage
EC9-330
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P158A CLUTCH SWITCH
1.
Disconnect ECM harness connectors.
2.
Check the continuity between clutch interlock switch harness connector and ECM harness connector.
3.
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair open circuit or short to ground or short to power in harness or connectors.
3.
CHECK CLUTCH INTERLOCK SWITCH
EC9-330, "Component Inspection (Clutch Pedal Position Switch)"
.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace clutch interlock switch.
4.
CHECK CLUTCH PEDAL POSITION SWITCH
Check clutch pedal position switch. Refer to
EC9-273, "Component Function Check"
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> Repair or replace error-detected parts.
Component Inspection (Clutch Pedal Position Switch)
INFOID:0000000010505197
1.
CHECK CLUTCH INTERLOCK SWITCH-1
1.
Turn ignition switch OFF.
2.
Disconnect clutch interlock switch harness connector.
3.
Check the continuity between clutch interlock switch terminals under the following conditions.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 2.
2.
CHECK CLUTCH INTERLOCK SWITCH-2
1.
Adjust clutch interlock switch installation.
2.
Check the continuity between clutch interlock switch terminals under the following conditions.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace clutch interlock switch.
+
-
Continuity
Clutch interlock switch
ECM
Connector
Terminal
Connector
Terminal
E52
2
E58
6
Existed
Clutch interlock switch
Condition
Continuity
+
-
Terminal
1
2
Clutch pedal
Fully released
Existed
Slightly depressed
Not existed
Clutch interlock switch
Condition
Continuity
+
-
Terminal
1
2
Clutch pedal
Fully released
Existed
Slightly depressed
Not existed
P160C ECM
EC9-331
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC9
N
P
O
P160C ECM
DTC Logic
INFOID:0000000010309331
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
EC9-331, "Diagnosis Procedure"
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010309332
1.
CHECK BATTERY TERMINALS
1.
Turn ignition switch ON.
2.
Turn ignition switch OFF and wait at least 1 minute.
3.
Check the battery terminals for damage and looseness.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair malfunction(s) and GO TO 2.
2.
CHECK OTHER DTC-1
1.
Turn ignition switch ON.
2.
Check DTC.
Is DTC P160C displayed with U0415, P0101, P0135, P0190, P0201, P0202, P0203, P0204, P0217, P0226,
P0471, P0544, P1544, P1620, P1650, P2002, P2080, P2243, P2244, P2263, P2626 or P2A06 displayed?
YES
>> Perform the trouble diagnosis for DTC U0415, P0101, P0135, P0190, P0201, P0202, P0203,
P0204, P0217, P0226, P0471, P0544, P1544, P1620, P1650, P2002, P2080, P2243, P2244,
P2263, P2626 or P2A06, and GO TO 3. Refer to
.
NO
>> GO TO 3.
3.
CHECK DTC
1.
Turn ignition switch OFF and wait at least 1 minute.
2.
Turn ignition switch ON.
3.
Check DTC.
Is the DTC P160C displayed again?
YES
>> GO TO 4.
NO
>> GO TO 5.
4.
REPLACE ECM
1.
Replace ECM.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P160C
COMPUTER
(Computer)
• 1.DEF: —
ECM function is malfunctioning.
ECM
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