Infiniti F50. Manual - part 799
CLIMATE CONTROLLED SEAT
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Blower Motor Tachometer Signal Circuit Inspection
EIS003UW
1.
CHECK BLOWER MOTOR TACHOMETER SIGNAL CIRCUIT
1.
Connect climate controlled seat control unit connector and blower motor connector.
2.
Turn ignition switch ON.
3.
Check voltage between climate controlled seat control unit con-
nector and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Replace climate controlled seat blower motor.
2.
CHECK BLOWER MOTOR HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect climate controlled seat control unit connector and blower motor connector.
3.
Check continuity between climate controlled seat control unit
connector B159 (driver side), B359 (passenger side) terminal
J14 (W) and blower motor connector B155 (driver side), B355
(passenger side) terminal J14 (W).
4.
Check continuity between climate controlled seat control unit
connector B159 (driver side), B359 (passenger side) terminal
J14 (W) and ground.
OK or NG
OK
>> Blower motor tachometer signal circuit check is OK.
NG
>> Repair or replace harness between climate controlled seat control unit and blower motor.
Climate Controlled Seat Control Unit Inspection
EIS0046Z
1.
CHECK THE CLIMATE CONTROLLED SEAT CONTROL UNIT
Does the heater operate normally when the driver side or passenger side climate controlled seat control unit is
exchanged?
YES or NO
YES
>> Climate controlled seat control unit check is OK.
NO
>> Replace climate controlled seat control unit.
Connector
Terminal
(Wire color)
Condition
Voltage (V)
(Approx)
(+)
(–)
B159
(Driver side),
B359
(Passenger side)
J14(W)
Ground
Climate controlled seat
switch “HEAT” or “COOL”
temperature dial 1 – 4.
5 – 7
Climate controlled seat
switch OFF.
0
PIIA3321E
J14 (W)
−
J14 (W)
: Continuity should exist
J14 (W)
−
Ground
: Continuity should not exist
PIIA3322E