Nissan Qashqai J11. Manual — part 234
ECH-234
< DTC/CIRCUIT DIAGNOSIS >
[HRA2DDT]
P0597 THERMOSTAT HEATER CONTROL SOLENOID VALVE
P0597 THERMOSTAT HEATER CONTROL SOLENOID VALVE
DTC Logic
INFOID:0000000010502844
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CONDITIONING
Turn ignition switch OFF and wait at least 12 minutes.
TESTING CONDITION:
Before performing the following procedure, confirm battery voltage is more than 11 V at idle.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Start engine and let it idle for at least 10 seconds.
2.
Check 1st trip DTC.
Is 1st trip DTC detected?
YES
>> Proceed to
ECH-234, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010502845
1.
CHECK ECM HARNESS CONNECTOR CONNECTION
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 THERMOSTAT HEATER CONTROL SOLENOID VALVE HARNESS CONNECTOR CONNECTION
Check thermostat heater control solenoid valve harness connector connection.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts.
3.
CHECK THERMOSTAT HEATER CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect thermostat heater control solenoid valve harness connector.
3.
Turn ignition switch ON.
4.
Check the voltage between thermostat heater control solenoid valve harness connector and ground.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0597
THERMOSTAT
(Thermostat heater control cir-
cuit/open)
• ECM detects the thermostat heater con-
trol solenoid valve circuit is open.
• ECM detects the thermostat heater con-
trol solenoid valve circuit is short to
ground.
• ECM detects the thermostat heater con-
trol solenoid valve circuit is short to pow-
er.
• Harness or connectors
(Thermostat heater control solenoid
valve circuit is open or shorted.)
• Thermostat heater control solenoid
valve
P0597 THERMOSTAT HEATER CONTROL SOLENOID VALVE
ECH-235
< 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 4.
NO
>> Perform the trouble diagnosis for power supply circuit.
4.
CHECK THERMOSTAT HEATER CONTROL SOLENOID VALVE CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check the continuity between thermostat heater control solenoid valve harness connector and ECM har-
ness connector.
4.
Also check harness for short to ground and to power.
Is the inspection result normal?
YES
>> Replace thermostat heater control solenoid valve.
NO
>> Repair or replace error-detected parts.
+
−
Voltage
Thermostat heater control solenoid
valve
Connector
Terminal
F171
1
Ground
Battery voltage
+
−
Continuity
Thermostat heater control
solenoid valve
ECM
Connector
Terminal
Connector
Terminal
F171
2
F17
52
Existed
ECH-236
< DTC/CIRCUIT DIAGNOSIS >
[HRA2DDT]
P0606 ECM
P0606 ECM
DTC Logic
INFOID:0000000010379125
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
Turn ignition switch OFF and wait at least 12 minutes.
>> 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
ECH-236, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010379126
1.
REPLACE ECM
1.
Replace ECM. Refer to
ECH-313, "Removal and Installation"
2.
Proceed to
>> INSPECTION END
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0606
CONTROL MODULE
(Control module processor)
ECM calculation function is malfunctioning for
0.1 seconds or more.
ECM
P060A ECM
ECH-237
< DTC/CIRCUIT DIAGNOSIS >
[HRA2DDT]
C
D
E
F
G
H
I
J
K
L
M
A
ECH
N
P
O
P060A ECM
DTC Logic
INFOID:0000000010379127
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
Turn ignition switch OFF and wait at least 12 minutes.
>> 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
ECH-237, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010379128
1.
REPLACE ECM
1.
Replace ECM. Refer to
ECH-313, "Removal and Installation"
2.
>> INSPECTION END
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P060A
INTERNAL CONTROL MOD-
ULE
(Internal control module mon-
itoring processor perfor-
mance)
ECM calculation function is malfunctioning for
0.04 seconds or more.
ECM
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