Nissan Versa Sedan. Instruction — part 357
COOLING FAN
EC-427
< DTC/CIRCUIT DIAGNOSIS >
[HR16DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
YES
>> Replace IPDM E/R. Refer to
PCS-30, "Removal and Installation"
(WITH I-KEY) or
(WITHOUT I-KEY).
NO
>> Repair or replace harness or connector.
EXCEPT FOR SINGLE CONNECTOR COOLING FAN WITHOUT A/C MODELS
1.
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.
For single connector cooling fan with A/C
For Dual connector cooling fan
3. Check the continuity between cooling fan relay harness connector and cooling fan motor harness connec-
tor.
For single connector cooling fan with A/C models
For Dual connector cooling fan models
4. Check the continuity between cooling fan motor harness connector and ground.
For single connector cooling fan with A/C models
For Dual connector cooling fan models
5. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair open circuit or short to ground or short to power in harness or connectors.
2.
CHECK COOLING FAN RELAY CIRCUIT
1. Disconnect cooling fan relay harness connector.
2. Disconnect IPDM E/R harness connector.
3. Check the continuity between IPDM E/R harness connector and cooling fan relay harness connector.
IPDM E/R
Cooling fan motor
Continuity
Connector
Terminal
Connector
Terminal
E43
7
E31
2
Existed
5
1
IPDM E/R
Cooling fan motor
Continuity
Connector
Terminal
Connector
Terminal
E43
7
E5
1
Existed
5
E32
3
Cooling fan relay
Cooling fan motor
Continuity
Connector
Terminal
Connector
Terminal
E62
5
E31
4
Existed
Cooling fan relay
Cooling fan motor
Continuity
Connector
Terminal
Connector
Terminal
E62
5
E32
4
Existed
Cooling fan motor
Ground
Continuity
Connector
Terminal
E31
3
Ground
Existed
Cooling fan motor
Ground
Continuity
Connector
Terminal
E5
2
Ground
Existed
EC-428
< DTC/CIRCUIT DIAGNOSIS >
[HR16DE]
COOLING FAN
4. Check the continuity between cooling fan relay harness connector and ground.
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 or short to ground or short to power in harness or connectors.
3.
CHECK COOLING FAN RELAY
EC-429, "Component Inspection (Cooling Fan Relay)"
YES or NO
YES
>> GO TO 4.
NO
>> Replace cooling fan relay.
4.
CHECK COOLING FAN MOTOR
EC-428, "Component Inspection (Cooling Fan Motor)"
YES or NO
YES
>> GO TO 5.
NO
>> Replace cooling fan motor. Refer to
CO-17, "Removal and Installation"
5.
CHECK INTERMITTENT INCIDENT
Perform
GI-45, "Intermittent Incident"
.
YES or NO
YES
>> Replace IPDM E/R. Refer to
PCS-30, "Removal and Installation"
(WITH I-KEY) or
(WITHOUT I-KEY).
NO
>> Repair or replace harness or connector.
Component Inspection (Cooling Fan Motor)
INFOID:0000000009267302
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.
For single connector cooling fan without A/C models
IPDM E/R
Cooling fan relay
Continuity
Connector
Terminal
Connector
Terminal
E46
65
E62
1
Existed
59
2
Cooling fan relay
Ground
Continuity
Connector
Terminal
E62
3
Ground
Existed
Cooling fan motor
Operation
Connector
+
−
terminals
E3
1
3
Cooling fan motor operates
2
4
COOLING FAN
EC-429
< DTC/CIRCUIT DIAGNOSIS >
[HR16DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
For single connector cooling fan with A/C models
For Dual connector cooling fan models
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace cooling fan motor. Refer to
CO-17, "Removal and Installation"
.
Component Inspection (Cooling Fan Relay)
INFOID:0000000009267303
1.
CHECK COOLING FAN RELAY
1. Turn ignition switch OFF.
2. Remove cooling fan relay.
3. Check continuity between cooling fan relay terminals under the
following conditions.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace cooling fan relay.
Cooling fan motor
Operation
Connector
+
−
terminals
E31
2
3
Cooling fan motor operates
1
4
Cooling fan motor
Operation
Connector
+
−
terminals
E5
1
2
Cooling fan motor operates
E32
3
4
Cooling fan relay
Conditions
Continuity
terminals
3
5
12 V direct current supply between
terminals 1 and 2
Existed
No current supply
Not existed
JSBIA0671ZZ
EC-430
< DTC/CIRCUIT DIAGNOSIS >
[HR16DE]
ELECTRICAL LOAD SIGNAL
ELECTRICAL LOAD SIGNAL
Description
INFOID:0000000009267304
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:0000000009267305
1.
CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION
1. Turn ignition switch ON.
2. Select “DATA MONITOR” mode with CONSULT.
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:0000000009267306
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
Perform trouble diagnosis of rear window defogger system. Refer to
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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