Nissan March K13. Instruction — part 205
COOLING FAN
EC-281
< DTC/CIRCUIT DIAGNOSIS >
[HR12DE (TYPE 1)]
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COOLING FAN
Component Function Check
INFOID:0000000005989389
1.
CHECK COOLING FAN FUNCTION
With CONSULT-III
1.
Turn ignition switch ON.
2.
Perform “COOLING FAN” in “ACTIVE TEST” mode with CONSULT-III.
3.
Touch “LOW” and “HI” on the CONSULT-III screen.
4.
Check that cooling fan operates.
NOTE:
The cooling fan operates at high speeds even when “LOW” is selected in CONSULT-III “ACTIVE TEST”.
Without CONSULT-III
1.
Perform IPDM E/R auto active test and check cooling fan motor operation. Refer to
(WITH I-KEY) or
PCS-36, "Diagnosis Description"
2.
Check that cooling fan operates.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000005989390
1.
CHECK GROUND CONNECTION
1.
Turn ignition switch OFF.
2.
Check ground connection E38. Refer to Ground Inspection in
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace ground connection.
2.
CHECK COOLING FAN MOTOR CIRCUIT
1.
Disconnect cooling fan motor harness connector.
2.
Check the continuity between IPDM E/R harness connector and cooling fan motor harness connector.
3.
Check the continuity between cooling fan motor harness connector and ground.
4.
Also check harness for short to ground and short to power.
YES or NO
YES
>> GO TO 4.
NO
>> GO TO 3.
3.
DETECT MALFUNCTIONING PART
Check the following.
• Harness for open or short between cooling fan motor and IPDM E/R
• Harness for open or short between cooling fan motor and ground
IPDM E/R
Cooling fan motor
Continuity
Connector
Terminal
Connector
Terminal
E10
5
E62
1
Existed
7
2
E11
10
3
Cooling fan motor
Ground
Continuity
Connector
Terminal
E62
4
Ground
Existed
EC-282
< DTC/CIRCUIT DIAGNOSIS >
[HR12DE (TYPE 1)]
COOLING FAN
>> Repair open circuit or short to ground or short to power in harness or connectors.
4.
CHECK COOLING FAN MOTOR
EC-282, "Component Inspection"
YES or NO
YES
>> GO TO 5.
NO
>> Replace cooling fan motor.
5.
CHECK INTERMITTENT INCIDENT
Perform
GI-33, "Intermittent Incident"
.
YES or NO
YES
>> Replace IPDM E/R. Refer to
(WITH I-KEY) or
NO
>> Repair or replace harness or connector.
Component Inspection
INFOID:0000000005989391
1.
CHECK COOLING FAN MOTOR
1.
Turn ignition switch OFF.
2.
Disconnect cooling fan motor harness connector.
3.
Supply cooling fan motor terminals with battery voltage and check operation.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace cooling fan motor.
Cooling fan motor
Operation
Connector
terminals
(+)
(
−
)
E62
1
4
Cooling fan operates.
2
3
ELECTRICAL LOAD SIGNAL
EC-283
< DTC/CIRCUIT DIAGNOSIS >
[HR12DE (TYPE 1)]
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ELECTRICAL LOAD SIGNAL
Description
INFOID:0000000005989392
The electrical load signal (Headlamp switch signal, rear window defogger switch signal, etc.) is transferred to
ECM through the CAN communication line.
Component Function Check
INFOID:0000000005989393
1.
CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION
1.
Turn ignition switch ON.
2.
Select “DATA MONITOR” mode with CONSULT-III.
3.
Select “LOAD SIGNAL” and check indication under the following conditions.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Go to
2.
CHECK LIGHTING SWITCH FUNCTION
Check “LOAD SIGNAL” indication under the following conditions.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Go to
3.
CHECK HEATER FAN CONTROL SWITCH FUNCTION
Select “HEATER FAN SW” and check indication under the following conditions.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Go to
Diagnosis Procedure
INFOID:0000000005989394
1.
INSPECTION START
Confirm the malfunctioning circuit (rear window defogger, headlamp or heater fan). Refer to
Which circuit is related to the incident?
Rear window defogger>>GO TO 2
Headlamp>>GO TO 3.
Heater fan>>GO TO 4.
2.
CHECK REAR WINDOW DEFOGGER SYSTEM
.
Monitor item
Condition
Indication
LOAD SIGNAL
Rear window defogger switch
ON
ON
OFF
OFF
Monitor item
Condition
Indication
LOAD SIGNAL
Lighting switch
ON at 2nd position
ON
OFF
OFF
Monitor item
Condition
Indication
HEATER FAN SW
Heater fan control switch
ON
ON
OFF
OFF
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