Nissan Pathfinder. Manual — part 1013
SE-50
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness or connector.
4.
CHECK CLIMATE CONTROLLED SEAT RELAY POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between climate controlled seat relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness or connector.
5.
CHECK CLIMATE CONTROLLED SEAT RELAY GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between climate controlled seat relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness.
6.
CHECK CLIMATE CONTROLLED SEAT RELAY
Check climate controlled seat relay.
SE-52, "CLIMATE CONTROLLED SEAT CONTROL UNIT : Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Replace climate controlled seat relay.
7.
CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT (DRIVER SIDE) GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between climate control unit (driver side) harness connector and ground.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-49, "Intermittent Incident"
.
NO
>> Repair or replace harness or connector.
PASSENGER SIDE
1.
CHECK FUSE
Check if any of the following fuses are blown.
(+)
(
−)
Voltage (V)
(Approx.)
Climate controlled seat relay
Connector
Terminal
M58
2
Ground
Battery voltage
7
Climate controlled seat relay
Ground
Continuity
Connector
Terminal
M58
1
Yes
Climate controlled seat control unit (driver side)
Ground
Continuity
Connector
Terminal
B205
30
Yes
Signal name
Fuse No.
Battery power supply
66 (15A)
IGN power supply
29 (5A)
POWER SUPPLY AND GROUND CIRCUIT
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< DTC/CIRCUIT DIAGNOSIS >
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Is the fuse blown?
YES
>> Replace the blown fuse after repairing the affected circuit.
NO
>> GO TO 2.
2.
CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT (PASSENGER SIDE) POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect climate controlled seat control unit (passenger side) connector.
3. Turn ignition switch ON.
4. Check voltage between climate controlled seat control unit (passenger side) harness connector and
ground.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> GO TO 3.
3.
CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT (PASSENGER SIDE) POWER SUPPLY CIR-
CUIT
1. Turn ignition switch OFF.
2. Disconnect climate controlled seat relay.
3. Check continuity between climate controlled seat control unit (passenger side) harness connector and cli-
mate controlled seat relay harness connector.
4. Check continuity between climate controlled seat control unit (passenger side) harness connector and
ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness or connector.
4.
CHECK CLIMATE CONTROLLED SEAT RELAY POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between climate controlled seat relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
(+)
(
−)
Voltage (V)
(Approx.)
Climate controlled seat control unit (passenger side)
Connector
Terminal
B304
21
Ground
Battery voltage
B305
29
Climate controlled seat control unit (passenger side)
Climate controlled seat relay
Continuity
Connector
Terminal
Connector
Terminal
B304
21
M58
3
Yes
B305
29
Climate controlled seat control unit (passenger side)
Ground
Continuity
Connector
Terminal
B304
21
No
B305
29
(+)
(
−)
Voltage (V)
(Approx.)
Climate controlled seat relay
Connector
Terminal
M58
2
Ground
Battery voltage
5
SE-52
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
NO
>> Repair or replace harness or connector.
5.
CHECK CLIMATE CONTROLLED SEAT RELAY GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between climate controlled seat relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness.
6.
CHECK CLIMATE CONTROLLED SEAT RELAY
Check climate controlled seat relay.
SE-52, "CLIMATE CONTROLLED SEAT CONTROL UNIT : Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Replace climate controlled seat relay.
7.
CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT (PASSENGER SIDE) GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between harness connector and ground.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-49, "Intermittent Incident"
.
NO
>> Repair harness or connector.
CLIMATE CONTROLLED SEAT CONTROL UNIT : Component Inspection
INFOID:0000000009176472
1.
CHECK CLIMATE CONTROLLED SEAT RELAY
1. Turn ignition switch OFF.
2. Remove climate controlled seat relay.
3. Check the continuity between climate controlled seat relay ter-
minals under the following conditions.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace climate controlled seat relay.
Climate controlled seat relay
Ground
Continuity
Connector
Terminal
M58
1
Yes
Climate controlled seat control unit (passenger side)
Ground
Continuity
Connector
Terminal
B305
30
Yes
Terminal
Condition
Continuity
3
5
12 V direct current supply between ter-
minals 1 and 2.
Yes
No current supply
No
6
7
12 V direct current supply between ter-
minals 1 and 2.
Yes
No current supply
No
JMJIA2104ZZ
CLIMATE CONTROLLED SEAT SWITCH
SE-53
< DTC/CIRCUIT DIAGNOSIS >
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CLIMATE CONTROLLED SEAT SWITCH
Component Function Check
INFOID:0000000009176473
1.
CHECK CLIMATE CONTROLLED SEAT SWITCH FUNCTION
Check that climate controlled seat activates when operating climate controlled seat control switch.
Is the inspection result normal?
YES
>> Climate controlled seat switch is OK.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000009176474
Regarding Wiring Diagram information, refer to
1.
CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT INPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between climate controlled seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO-1 >> HEAT or COOL mode is NG. GO TO 2.
NO-2 >> HEAT and COOL mode are NG. GO TO 3.
2.
CHECK CLIMATE CONTROLLED SEAT SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect climate controlled seat switch connector and climate controlled seat control unit connector.
3. Check continuity between climate controlled seat switch harness connector and climate controlled seat
control unit harness connector.
(+)
(–)
Condition
Voltage (V)
(Approx.)
Climate controlled seat control unit
Connector
Terminal
Driver side
B204
20
Ground
Climate controlled seat
switch (driver side)
COOL
HI
2.6 - 4.2
MID 1.6
-
2.5
LO 0.8
-
1.5
OFF
0
19
HEAT
HI
2.6 - 4.2
MID 1.6
-
2.5
LO 0.8
-
1.5
OFF
0
Passenger side
B304
20
Climate controlled seat
switch (passenger seat)
COOL
HI
2.6 - 4.2
MID 1.6
-
2.5
LO 0.8
-
1.5
OFF
0
19
HEAT
HI
2.6 - 4.2
MID 1.6
-
2.5
LO 0.8
-
1.5
OFF
0
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