2006 INFINITI M35 Factory Service Manual

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Page 5329 of 5621

INFINITI M35 2006 Factory Service Manual SE-148
HEATED SEAT
Revision: 2006 January2006 M35/M45
TIWT1400E

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INFINITI M35 2006 Factory Service Manual HEATED SEAT
SE-149
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Revision: 2006 January2006 M35/M45
TIWT1401E

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INFINITI M35 2006 Factory Service Manual SE-150
HEATED SEAT
Revision: 2006 January2006 M35/M45
TIWT1402E

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INFINITI M35 2006 Factory Service Manual HEATED SEAT
SE-151
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Terminals and Reference Values for Rear Seat Control UnitNIS00284
Work FlowNIS00285
1. Check the symptom and customer

HEATED SEAT
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Terminals and Reference Values for Rear Seat Control UnitNIS00284
Work FlowNIS00285
1. Check the symptom and customer's requests.
2. Understand the outline of system. Refer to SE-143, "
System Description" .
3. According to the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to SE-151,
"Trouble Diagnoses Symptom Chart" .
4. Does heated seat operate normally? YES: GO TO 5, NO: GO TO 3.
5. INSPECTION END.
Trouble Diagnoses Symptom ChartNIS00286
Check that other systems using the signal of the following systems operate normally.
Te r m i n a lWire
colorItem ConditionVoltage (V)
(Approx.)
1 R Power source (BAT) — Battery voltage
4 R/B Power source (IGN) — Battery voltage
5 R/Y Seat heater HI signalSeat heater HI operation Battery voltage
Other than above 0
6 R/L Seat heater LO signalSeat heater LO operation Battery voltage
Other than above 0
8 B/L Ground (power) — 0
9 W/B Heated seat indicator HI signalHeater HI operation (lit) 0
Other than above Battery voltage
13 B/Y Ground (signal) — 0
14 W/G Heated seat indicator LO signalHeater LO operation (lit) 0
Other than above Battery voltage
17 W/L Heated seat switch HI signalHeated seat switch (HI) – ON (pressed) 0
Heated seat switch (HI) – OFF Battery voltage
18 W Heated seat switch LO signalHeated seat switch (LO) – ON (pressed) 0
Heated seat switch (LO) – OFF Battery voltage
Symptom Diagnoses / service procedure Refer to page
Rear heated seat LH and RH does not operate.Rear heated seat power supply and ground
circuit inspectionSE-152
Rear heated seat LH or RH do not operate.1. Rear seat control unit power supply and
ground circuit inspectionSE-1532. Rear heated seat switch circuit inspectionSE-155
3.Rear seatback heater circuit inspectionSE-161
4.Replace rear LH or RH seat control unitSE-143
Rear heated seat do not operate with LO or HI position.1. Rear heated seat switch circuit inspectionSE-1552. Rear heated seat circuit inspectionSE-160
Rear heated seat LH or RH indicator do not operate.Rear heated seat indicator power supply cir-
cuit inspectionSE-157
Rear heated seat indicator do not operate with LO or HI posi-
tionRear heated seat indicator circuit inspectionSE-158

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INFINITI M35 2006 Factory Service Manual SE-152
HEATED SEAT
Revision: 2006 January2006 M35/M45
Rear Heated Seat Power Supply and Ground Circuit InspectionNIS00287
1. CHECK FUSIBLE LINK AND FUSE
Check 50A fusible link (letter F located in the

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INFINITI M35 2006 Factory Service Manual HEATED SEAT
SE-153
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Rear Seat Control Unit Power Supply and Ground Circuit InspectionNIS00288
1. CHECK REAR SEAT CONTROL UNIT POWER SUPPLY C

Page 5335 of 5621

INFINITI M35 2006 Factory Service Manual SE-154
HEATED SEAT
Revision: 2006 January2006 M35/M45
3. CHECK REAR SEAT CONTROL UNIT HARNESS
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R (heated seat relay) and rear seat control unit connect

Page 5336 of 5621

INFINITI M35 2006 Factory Service Manual HEATED SEAT
SE-155
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Revision: 2006 January2006 M35/M45
Rear Heated Seat Switch Circuit InspectionNIS00289
1. CHECK REAR HEATED SEAT SWITCH POWER SUPPLY-1
1. Turn ignition swi

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