Nissan Qashqai J11. Manual — part 233
ECH-230
< DTC/CIRCUIT DIAGNOSIS >
[HRA2DDT]
P0564 ASCD STEERING SWITCH
P0564 ASCD STEERING SWITCH
DTC Logic
INFOID:0000000010502887
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 12 minutes.
2.
Press RESUME/ACCELERATE switch for at least 10 seconds, then release it and wait at least 10 sec-
onds.
3.
Press SET/COAST switch for at least 10 seconds, then release it and wait at least 10 seconds.
4.
Press CANCEL switch for at least 10 seconds, then release it and wait at least 10 seconds.
5.
Check DTC.
Is DTC detected?
YES
>> Proceed to
ECH-230, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010502888
1.
CHECK ASCD STEERING SWITCH CIRCUIT
1.
Turn ignition switch ON.
2.
Check the voltage between ECM harness connector terminals as follows.
Is the inspection result normal?
YES
>> Refer to
GI-41, "Intermittent Incident"
.
NO
>> GO TO 2.
2.
CHECK ASCD STEERING SWITCH GROUND CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF and wait at least 1 minute.
2.
Disconnect combination switch harness connector.
3.
Disconnect ECM harness connector.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0564
CRUISE CONTROL
(Cruise control multi-function
input “A” circuit)
• An ASCD steering switch signal voltage is
out of the specified range.
• ASCD steering switch signal circuit is open.
• ASCD steering switch signal circuit is short
to battery.
• ECM cannot detect the ASCD steering
switch signal.
• Harness or connectors
(The switch circuit is open or shorted.)
• ASCD steering switch
ECM
Condition
Voltage
(Approx.)
Connector
+
–
Terminal
E9
15
14
CANCEL switch: Pressed
1.0 V
SET/COAST switch: Pressed
2.0 V
RESUME/ACCELERATE switch: Pressed
3.0 V
All ASCD steering switches: Released
4.0 V
P0564 ASCD STEERING SWITCH
ECH-231
< DTC/CIRCUIT DIAGNOSIS >
[HRA2DDT]
C
D
E
F
G
H
I
J
K
L
M
A
ECH
N
P
O
4.
Check the continuity between combination switch (spiral cable) and ECM harness connector.
5.
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair open circuit, short to ground or short to power in harness or connectors.
3.
CHECK ASCD STEERING SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1.
Check the continuity between combination switch (spiral cable) and ECM harness connector.
2.
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> Replace ASCD steering switch.
NO
>> Repair open circuit, short to ground or short to power in harness or connectors.
+
-
Continuity
Combination switch (spiral cable)
ECM
Connector
Terminal
Connector
Terminal
M66
28
E9
14
Existed
+
-
Continuity
Combination switch (spiral cable)
ECM
Connector
Terminal
Connector
Terminal
M66
27
E9
15
Existed
ECH-232
< DTC/CIRCUIT DIAGNOSIS >
[HRA2DDT]
P0575 ASCD STEERING SWITCH
P0575 ASCD STEERING SWITCH
DTC Logic
INFOID:0000000010502842
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 DTC detected?
YES
>> Proceed to
ECH-232, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010502843
1.
CHECK ASCD STEERING SWITCH SIGNAL
1.
Turn ignition switch ON.
2.
Check the voltage between ECM harness connector terminals as follows.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> GO TO 2.
2.
CHECK ASCD STEERING SWITCH POWER SUPPLY
Check the voltage between ASCD steering switch harness connector and ground.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible Cause
P0575
CRUISE CONTROL
(Cruise control input circuit)
ECM receives ASCD MAIN switch signal and
Speed Limiter MAIN switch signal simulta-
neously.
ASCD steering switch
+
–
Condition
Voltage
(Approx.)
ECM
Connector
Terminal
E9
3
Ground
• ASCD MAIN switch: NOT pressed
• Speed Limiter MAIN switch: NOT pressed
0 V
10
3
Ground
• ASCD MAIN switch: Pressed
• Speed Limiter MAIN switch: NOT pressed
Battery Voltage
10
0 V
3
Ground
• ASCD MAIN switch: NOT pressed
• Speed Limiter MAIN switch: Pressed
0 V
10
Battery Voltage
+
−
Voltage
Combination switch (spiral cable)
Connector
Terminal
M66
22
Ground
Battery voltage
P0575 ASCD STEERING SWITCH
ECH-233
< DTC/CIRCUIT DIAGNOSIS >
[HRA2DDT]
C
D
E
F
G
H
I
J
K
L
M
A
ECH
N
P
O
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts.
3.
CHECK COMBINATION SWITCH (SPIRAL CABLE) CIRCUIT-1
1.
Turn ignition switch OFF and wait at least 1 minute.
2.
Disconnect combination switch harness connector.
3.
Check the continuity between combination switch (spiral cable) harness connector terminals.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts.
4.
CHECK ASCD STEERING SWITCH CIRCUIT
Check the continuity between combination switch (spiral cable) harness connector terminals.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace ASCD steering switch.
5.
CHECK COMBINATION SWITCH (SPIRAL CABLE) CIRCUIT-2
1.
Disconnect ECM harness connector.
2.
Check the continuity between combination switch (spiral cable) harness connector and ECM harness con-
nector.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> Repair or replace error-detected parts.
+
−
Continuity
Combination switch (spiral cable)
Connector
Terminal
Connector
Terminal
M66
22
M303
3
Existed
M303
2
M66
21
M303
1
M66
20
+
−
Condition
Continuity
Combination switch (spiral cable)
Connector
Terminal
Connector
Terminal
M303
3
M303
2
Speed limiter main
(ON/OFF)
Pressed
Existed
NOT pressed
Not existed
1
ASCD main
(ON/OFF)
Pressed
Existed
NOT pressed
Not existed
+
−
Continuity
Combination switch (spiral cable)
ECM
Connector
Terminal
Connector
Terminal
M66
21
E9
10
Existed
20
3
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